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Alex Hansen

Alex Hansen

Center Director for PoreLab SFF - Professor
Department of Physics

alex.hansen@ntnu.no
+4773593649 +4792411965 PTS2, Rom 202, Valgrinda, S.P. Andersens vei 15b
folk.ntnu.no/alexh
About Publications Media

About

Alex Hansen is the Center Director for PoreLab - Porous Media Laboratory - Norwegian Centre of Excellence (SFF - The Research Council of Norway)

Research Interests

  • Complex matter physics
  • Computational physics
  • Transport and breakdown phenomena in disordered systems
  • Physics of porous media
  • Physics of granular media
  • Non-equillibrium statistical physics

Links:

  • CV
  • Publication List

Competencies

  • Complex systems
  • Mathematics and natural scienses
  • Porous media
  • Statistical mechanics

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2023

  • Cheon, Hyejeong; Fyhn, Hursanay; Hansen, Alex; Wilhelmsen, Øivind; Sinha, Santanu. (2023) Steady-State Two-Phase Flow of Compressible and Incompressible Fluids in a Capillary Tube of Varying Radius. Transport in Porous Media.
    Academic article

2022

  • Feder, Jens; Flekkøy, Eirik Grude; Hansen, Alex. (2022) Physics of Flow in Porous Media. Cambridge University Press. 2022. ISBN 9781108989114.
    Text book
  • Hansen, Alex; Flekkøy, Eirik Grude; Sinha, Santanu; Slotte, Per Arne. (2022) A statistical mechanics framework for immiscible and incompressible two-phase flow in porous media. Advances in Water Resources. volum 171.
    Academic article
  • Hutt, Axel; Grüning, André; Hansen, Alex; Hartung, Thomas; Robeva, Raina. (2022) Editorial: Machine Learning in Natural Complex Systems. Frontiers in Applied Mathematics and Statistics. volum 8.
    Editorial
  • Lanza, Federico; Rosso, Alberto; Talon, Laurent; Hansen, Alex. (2022) Non-Newtonian Rheology in a Capillary Tube with Varying Radius. Transport in Porous Media. volum 145 (1).
    Academic article
  • Roy, Subhadeep; Pedersen, Håkon; Sinha, Santanu; Hansen, Alex. (2022) The Co-Moving Velocity in Immiscible Two-Phase Flow in Porous Media. Transport in Porous Media. volum 143 (1).
    Academic article

2021

  • Charan, Harish; Hansen, Alex; Hentschel, H. George E.; Procaccia, Itamar. (2021) Aging and Failure of a Polymer Chain under Tension. Physical Review Letters. volum 126 (8).
    Academic article
  • Debski, Wojciech; Pradhan, Srutarshi; Hansen, Alex. (2021) Criterion for Imminent Failure During Loading — Discrete Element Method Analysis. Frontiers in Physics. volum 9.
    Academic article
  • Flekkøy, Eirik Grude; Hansen, Alex; Baldelli, Beatrice. (2021) Hyperballistic Superdiffusion and Explosive Solutions to the Non-Linear Diffusion Equation. Frontiers in Physics. volum 9.
    Academic article
  • Fromreide, Mads; Hansen, Alex. (2021) Predicting Motion Patterns Using Optimal Paths. Frontiers in Physics. volum 9.
    Academic article
  • Fyhn, Hursanay; Sinha, Santanu; Roy, Subhadeep; Hansen, Alex. (2021) Rheology of Immiscible Two‑phase Flow in Mixed Wet Porous Media: Dynamic Pore Network Model and Capillary Fiber Bundle Model Results. Transport in Porous Media. volum 139.
    Academic article
  • Gjennestad, Magnus Aa.; Winkler, Mathias; Hansen, Alex. (2021) Correction to: Pore Network Modeling of the Effects of Viscosity Ratio and Pressure Gradient on Steady-State Incompressible Two-Phase Flow in Porous Media (Transport in Porous Media, (2020), 132, 2, (355-379), 10.1007/s11242-020-01395-z). Transport in Porous Media. volum 137 (1).
    Errata
  • Hansen, Alex. (2021) 2021 Frontiers in Physics Editor's Pick. 2021. ISBN 978-2-88971-076-8.
    Scientific anthology
  • Hansen, Alex; Kun, Ferenc; Pradhan, Srutarshi; Ray, Purusattam. (2021) Editorial: The Fiber Bundle. Frontiers in Physics. volum 9 (795803).
    Editorial
  • Kolstrup, Gitte Solveig; Aspaas, Per Pippin; Hansen, Alex; Haugen, Ole-Jørgen; Karlstrøm, Henrik; Røeggen, Anders. (2021) Felles publiseringstjeneste i UH-sektoren: Rapport fra arbeidsgruppe utnevnt av UHR-Bibliotek. 2021.
    Report
  • Kun, Ferenc; Hansen, Alex; Ray, Purusattam; Pradhan, Srutarshi. (2021) The Fiber Bundle. 2021. ISBN 978-2-88974-011-6.
    Scientific anthology
  • Måløy, Knut Jørgen; Moura, Marcel; Hansen, Alex; Flekkøy, Eirik Grude; Toussaint, Renaud. (2021) Burst Dynamics, Upscaling and Dissipation of Slow Drainage in Porous Media. Frontiers in Physics. volum 9.
    Academic article
  • Roy, Subhadeep; Sinha, Santanu; Hansen, Alex. (2021) Role of Pore-Size Distribution on Effective Rheology of Two-Phase Flow in Porous Media. Frontiers in water. volum 3.
    Academic article
  • Sinha, Santanu; Gjennestad, Magnus Aashammer; Vassvik, Morten; Hansen, Alex. (2021) Fluid Meniscus Algorithms for Dynamic Pore-Network Modeling of Immiscible Two-Phase Flow in Porous Media. Frontiers in Physics. volum 8.
    Scientific translation/review
  • Sinha, Santanu; Roy, Subhadeep; Hansen, Alex. (2021) Crack localization and the interplay between stress enhancement and thermal noise. Physica A: Statistical Mechanics and its Applications. volum 569.
    Academic article

2020

  • Bedeaux, Dick; Flekkøy, Eirik Grude; Hansen, Alex; Kjelstrup, Signe; Måløy, Knut Jørgen; Torsæter, Ole. (2020) Physics of Porous Media. Frontiers. 2020. ISBN 978-2-88963-535-1.
    Scientific anthology
  • Bedeaux, Dick; Flekkøy, Eirik Grude; Hansen, Alex; Måløy, Knut Jørgen; Kjelstrup, Signe; Torsæter, Ole. (2020) Editorial: Physics of Porous Media. Frontiers in Physics. volum 8.
    Editorial
  • Gjennestad, Magnus Aashammer; Winkler, Mathias; Hansen, Alex. (2020) Pore Network Modeling of the Effects of Viscosity Ratio and Pressure Gradient on Steady-State Incompressible Two-Phase Flow in Porous Media. Transport in Porous Media. volum 132.
    Academic article
  • Hansen, Alex. (2020) The Three Extreme Value Distributions: An Introductory Review. Frontiers in Physics. volum 8.
    Scientific translation/review
  • Hansen, Alex; Flekkøy, Eirik Grude; Baldelli, Beatrice. (2020) Anomalous diffusion in systems with concentration-dependent diffusivity: exact solutions and particle simulations. Frontiers in Physics. volum 8:519624.
    Academic article
  • Roy, Subhadeep; Sinha, Santanu; Hansen, Alex. (2020) Flow-Area Relations in Immiscible Two-Phase Flow in Porous Media. Frontiers in Physics. volum 8.
    Academic article
  • Sinha, Santanu; Roy, Subhadeep; Hansen, Alex. (2020) Phase transitions and correlations in fracture processes where disorder and stress compete. Physical Review Research (PRResearch). volum 2 (4).
    Academic article
  • Talon, Laurent; Hansen, Alex. (2020) Effective Rheology of Bi-viscous Non-newtonian Fluids in Porous Media. Frontiers in Physics. volum 7.
    Academic article
  • Winkler, Mathias; Gjennestad, Magnus Aashammer; Bedeaux, Dick; Kjelstrup, Signe; Cabriolu, Raffaela; Hansen, Alex. (2020) Onsager-symmetry obeyed in athermal mesoscopic systems: Two-phase flow in porous media. Frontiers in Physics. volum 8.
    Academic article

2019

  • Kjellstadli, Jonas Tøgersen; Bering, Eivind; Hendrick, Martin; Pradhan, Srutarshi; Hansen, Alex. (2019) Can Local Stress Enhancement Induce Stability in Fracture Processes? Part I: Apparent Stability. Frontiers in Physics. volum 7.
    Academic article
  • Kjellstadli, Jonas Tøgersen; Bering, Eivind; Pradhan, Srutarshi; Hansen, Alex. (2019) Can Local Stress Enhancement Induce Stability in Fracture Processes? Part II: The Shielding Effect. Frontiers in Physics. volum 7.
    Academic article
  • Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2019) Corrigendum: Non-isothermal transport of multi-phase fluids in porous media. Constitutive equations [Front. Phys., 6, 150 (2019)] DOI: 10.3389/fphy.2018.00150. Frontiers in Physics. volum 7 (JULY).
    Errata
  • Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2019) Non-isothermal Transport of Multi-phase Fluids in Porous Media. Constitutive Equations. Frontiers of Physics. volum 6.
    Academic article
  • Pradhan, Srutarshi; Kjellstadli, Jonas Tøgersen; Hansen, Alex. (2019) Variation of Elastic Energy Shows Reliable Signal of Upcoming Catastrophic Failure. Frontiers in Physics. volum 7.
    Academic article
  • Roy, Subhadeep; Hansen, Alex; Sinha, Santanu. (2019) Effective rheology of two-phase flow in a capillary fiber bundle model. Frontiers in Physics. volum 7 (JULY).
    Academic article
  • Roy, Subhadeep; Sinha, Santanu; Hansen, Alex. (2019) Immiscible two-phase flow in porous media: Effective rheology in the continuum limit. arXiv.org.
    Academic article
  • Sinha, Santanu; Gjennestad, Magnus Aashammer; Vassvik, Morten; Winkler, Mathias; Hansen, Alex; Flekkøy, Eirik Grude. (2019) Rheology of high-capillary number two-phase flow in porous media. Frontiers in Physics. volum 7 (65).
    Academic article
  • Skjetne, Bjørn; Hansen, Alex. (2019) Implications of Realistic Fracture Criteria on Crack Morphology. Frontiers in Physics. volum 7.
    Academic article
  • Zhao, Benzhong; MacMinn, Christopher W.; Primkulov, Bauyrzhan K.; Chen, Yu; Valocchi, Albert J.; Zhao, Jianlin; Kang, Qinjun; Bruning, Kelsey; McClure, James E.; Miller, Cass T.; Fakhari, Abbas; Bolster, Diogo; Hiller, Thomas; Brinkmann, Martin; Cueto-Felguerose, Luis; Cogswell, Daniel A.; Verma, Rahul; Prodanovic, Masa; Maes, Julien; Geiger, Sebastian; Vassvik, Morten; Hansen, Alex; Segre, Enrico; Holtzman, Ran; Yang, Zhibing; Yuan, Chao; Chareyre, Bruno; Juanes, Ruben. (2019) Comprehensive comparison of pore-scale models for multiphase flow in porous media. Proceedings of the National Academy of Sciences of the United States of America. volum 116 (28).
    Academic article

2018

  • Gjennestad, Magnus Aashammer; Vassvik, Morten; Kjelstrup, Signe; Hansen, Alex. (2018) Stable and efficient time integration of a dynamic pore network model for two-phase flow in porous media. Frontiers in Physics. volum 6.
    Academic article
  • Hansen, Alex; Sinha, Santanu; Bedeaux, Dick; Kjelstrup, Signe; Gjennestad, Magnus Aashammer; Vassvik, Morten. (2018) Relations Between Seepage Velocities in Immiscible, Incompressible Two-Phase Flow in Porous Media. Transport in Porous Media. volum 125 (3).
    Academic article
  • Hendrick, Martin; Pradhan, Srutarshi; Hansen, Alex. (2018) Mesoscopic description of the equal-load-sharing fiber bundle model. Physical review. E. volum 98 (3).
    Academic article
  • Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2018) Non-isothermal transport of multi-phase fluids in porous media; The entropy production,. 2018.
    Report
  • Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2018) Non-isothermal transport of multi-phase fluids in porous media. Constitutive equations. 2018.
    Report
  • Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2018) Non-isothermal transport of multi-phase fluids in porous media. The entropy production. Frontiers in Physics. volum 6.
    Academic article
  • Pradhan, Srutarshi; Hansen, Alex; Ray, Purusattam. (2018) A Renormalization Group Procedure for Fiber Bundle Models. Frontiers in Physics. volum 6.
    Academic article

2017

  • Hansen, Alex; Sinha, Santanu; Bedeaux, Dick; Kjelstrup, Signe; Gjennestad, Magnus Aashammer; Vassvik, Morten. (2017) Relations between Seepage Velocities in Immiscible, Incompressible Two-Phase Flow in Porous Media,. 2017.
    Report
  • Savani, Isha; Bedeaux, Dick; Kjelstrup, Signe; Vassvik, Morten; Sinha, Santanu; Hansen, Alex. (2017) Ensemble distribution for immiscible two-phase flow in porous media. Physical review. E. volum 95:023116 (2).
    Academic article
  • Savani, Isha; Sinha, Santanu; Hansen, Alex; Bedeaux, Dick; Kjelstrup, Signe; Vassvik, Morten. (2017) A Monte Carlo Algorithm for Immiscible Two-Phase Flow in Porous Media. Transport in Porous Media. volum 116 (2).
    Academic article
  • Sinha, Santanu; Bender, Andrew T; Danczyk, Matthew; Keepseagle, Kayla; Prather, Cody A; Bray, Joshua M; Thrane, Linn W; Seymour, Joseph D.; Codd, Sarah L.; Hansen, Alex. (2017) Effective Rheology of Two-Phase Flow in Three-Dimensional Porous Media: Experiment and Simulation. Transport in Porous Media. volum 119 (1).
    Academic article

2016

  • Stormo, Arne; Lengliné, Olivier; Schmittbuhl, Jean; Hansen, Alex. (2016) Soft-Clamp Fiber Bundle Model and Interfacial Crack Propagation: Comparison Using a Non-linear Imposed Displacement. Frontiers in Physics. volum 4.
    Academic article

2015

  • Flekkøy, Eirik Grude; Hansen, Alex. (2015) An effective medium derivation of the Cole-Cole relation for electric conductivity. Geophysics. volum 80 (2).
    Academic article
  • Flovik, Vegard; Sinha, Santanu; Hansen, Alex. (2015) Dynamic Wettability Alteration in Immiscible Two-phase Flow in Porous Media: Effect on Transport Properties and Critical Slowing Down. Frontiers in Physics. volum 3.
    Academic article
  • Hansen, Alex; Hemmer, Per Christian; Pradhan, Srutarshi. (2015) The Fiber Bundle Model Modeling Failure in Materials. Wiley-VCH Verlagsgesellschaft. 2015. ISBN 978 3 527 41214 3.
    Scientific monography
  • Hope, Sigmund Mongstad; Davy, Philippe; Maillot, Julien; Le Goc, Romain; Hansen, Alex. (2015) Topological impact of constrained fracture growth. Frontiers in Physics. volum 3.
    Academic article
  • Hope, Sigmund Mongstad; Kundu, Sumanta; Roy, Chandreyee; Manna, S. S.; Hansen, Alex. (2015) Network topology of the desert rose. Frontiers in Physics. volum 3.
    Academic article
  • Linga, Gaute; Ballone, Pietro; Hansen, Alex. (2015) Creep rupture of fiber bundles: A molecular dynamics investigation. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 92 (2).
    Academic article
  • Sinha, Santanu; Kjellstadli, Jonas Tøgersen; Hansen, Alex. (2015) Local load-sharing fiber bundle model in higher dimensions. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 92:020401 (2).
    Academic article

2014

  • Aursjø, Olav; Erpelding, Marion; Tallakstad, Ken Tore; Flekkøy, Eirik Grude; Hansen, Alex; Måløy, Knut Jørgen. (2014) Film flow dominated simultaneous flow of two viscous incompressible fluids through a porous medium. Frontiers in Physics. volum 2.
    Academic article
  • Gjerden, Knut Skogstrand; Stormo, Arne; Hansen, Alex. (2014) Local dynamics of a randomly pinned crack front: a numerical study. Frontiers in Physics. volum 2 (66).
    Academic article
  • Hansen, Alex. (2014) Grand challenges in interdisciplinary physics. Frontiers of Physics. volum 2.
    Academic article
  • Hansen, Alex; Hemmer, Per Christian; Pradhan, Srutarshi. (2014) The Fiber Bundle Model. 5th Warsaw School of Statistical Physics.
    Academic chapter/article
  • Hope, Sigmund Mongstad; Moreira, André A.; Andrade Jr., José S.; Hansen, Alex. (2014) Reservoir mapping by global correlation analysis. International Journal of Rock Mechanics And Mining Sciences. volum 67.
    Short communication
  • Patinet, S; Vandembroucq, Damien; Hansen, Alex; Roux, Stephanie. (2014) Cracks in random brittle solids:: From fiber bundles to continuum mechanics. The European Physical Journal Special Topics. volum 223 (11).
    Scientific translation/review
  • Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2014) Discrete element modeling of brittle crack roughness in three dimensions. Frontiers in Physics. volum 2.
    Academic article
  • Talon, Laurent; Auradou, Harold; Hansen, Alex. (2014) Effective rheology of Bingham fluids in a rough channel. Frontiers of Physics. volum 2:24.
    Academic article
  • Vevatne, Jonas Nesland; Rimstad, Eivind; Hope, Sigmund Mongstad; Korsnes, Reinert; Hansen, Alex. (2014) Fracture networks in sea ice. Frontiers in Physics. volum 2.
    Academic article

2013

  • Andresen, Christian Andre; Hansen, Alex; Le Goc, Romain; Davy, Philippe; Hope, Sigmund Mongstad. (2013) Topology of fracture networks. Frontiers in Physics. volum 1.
    Academic article
  • Erpelding, Marion; Sinha, Santanu; Tallakstad, Ken Tore; Hansen, Alex; Flekkøy, Eirik Grude; Måløy, Knut Jørgen. (2013) History independence of steady state in simultaneous two-phase flow through two-dimensional porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 88 (5).
    Academic article
  • Gjerden, Knut Skogstrand; Stormo, Arne; Hansen, Alex. (2013) Universality classes of constrained crack growth. Physical Review Letters. volum 111 (13).
    Academic article
  • Sinha, Santanu; Hansen, Alex; Bedeaux, Dick; Kjelstrup, Signe. (2013) Effective rheology of bubbles moving in a capillary tube. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 87 (2).
    Academic article
  • Talon, Laurent; Auradou, Harold; Pessel, Marc; Hansen, Alex. (2013) Geometry of optimal path hierarchies. Europhysics letters. volum 103 (3).
    Academic article

2012

  • Gjerden, Knut Skogstrand; Stormo, Arne; Hansen, Alex. (2012) A model for stable interfacial crack growth. Journal of Physics: Conference Series (JPCS). volum 402.
    Academic article
  • Moreira, A. A.; Oliveira, C. L. N.; Hansen, Alex; Araujo, N. A. M.; Herrmann, Hans J.; Andrade Jr., Jose Soares. (2012) Fracturing highly disordered materials. Physical Review Letters. volum 109 (25).
    Academic article
  • Sinha, Santanu; Hansen, Alex. (2012) Effective rheology of immiscible two-phase flow in porous media. Europhysics letters. volum 99 (4).
    Academic article
  • Skjetne, Bjørn; Hansen, Alex. (2012) Stochastic Modeling of Crack Avalanches in Hydraulic Fracture. Symposium series - Southern African Institute of Mining and Metallurgy. volum S71.
    Academic article
  • Stormo, Arne; Gjerden, Knut Skogstrand; Hansen, Alex. (2012) Onset of localization in heterogeneous interfacial failure. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 86 (2).
    Academic article
  • Talon, L; Auradou, H; Hansen, Alex. (2012) Relation between first arrival time and permeability in self-affine fractures with areas in contact. Europhysics letters. volum 97 (6).
    Academic article
  • Tørå, Glenn; Øren, Pål-Eric; Hansen, Alex. (2012) A Dynamic Network Model for Two-Phase Flow in Porous Media. Transport in Porous Media. volum 92 (1).
    Academic article

2011

  • Grøva, Morten; Hansen, Alex. (2011) Two-phase flow in porous media: power-law scaling of effective permeability. Journal of Physics: Conference Series (JPCS). volum 319 (1).
    Academic article
  • Hansen, Alex; Lucena, Liacir; da Silva, Luciano R.. (2011) Spatial correlations in permeability distributions due to extreme dynamics restructuring of unconsolidated sandstone. Physica A: Statistical Mechanics and its Applications. volum 390 (4).
    Academic article
  • Hansen, Alex; Skagerstam, Bo-Sture; Tørå, Glenn. (2011) Anomalous scaling and solitary waves in systems with nonlinear diffusion. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 83 (5).
    Academic article
  • Hansen, Alex; Sudbø, Asle. (2011) Special Edition for Conference on Computational Physics Trondheim, Norway, June 23-26, 2010 Preface. Computer Physics Communications. volum 182 (9).
    Editorial
  • Sinha, Santanu; Grøva, Morten; Ødegården, Torgeir Bryge; Skjetne, Erik; Hansen, Alex. (2011) Local wettability reversal during steady-state two-phase flow in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 84 (3).
    Academic article

2010

  • Santucci, Stephane; Grob, M; Toussaint, Renaud; Schmittbuhl, Jean; Hansen, Alex; Måløy, Knut Jørgen. (2010) Fracture roughness scaling: A case study on planar cracks. Europhysics letters. volum 92 (4).
    Academic article
  • Bakke, Jan Øystein Haavig; Ray, Purusattam; Hansen, Alex. (2010) Morphology of Laplacian random walks. Europhysics letters. volum 92 (3).
    Academic article
  • Ellingsen, Simen Andreas Ådnøy; Gjerden, Knut Skogstrand; Grøva, Morten; Hansen, Alex. (2010) Model for density waves in gravity-driven granular flow in narrow pipes. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 81 (6).
    Academic article
  • Fossum, Jon Otto; Hansen, Alex; Mikkelsen, Arne; Skagerstam, Bo-Sture. (2010) A journey into the art of complex matter physics. COMPLEX arrange a Complex art exhibition in collaboration with the NTNU Library in Realfagbygget. The exhibition is open for everybody [Kunstnerisk og museal presentasjon] . Realfagbiblioteket, UB, NTNU; 2010-09-28 - 2011-08-15.
    Other
  • Hansen, Henning F.; Walle, Lars Erik; Hansen, Alex. (2010) Wealth and Income Distributions in Norway: A Case Study. Dynamics of Socio-Economic Systems. volum 2 (1).
    Academic article
  • Pradhan, Srutarshi; Hansen, Alex; Chakrabarti, Bikas K.. (2010) Failure processes in elastic fiber bundles. Reviews of Modern Physics. volum 82 (1).
    Academic article
  • Talon, L; Auradou, H; Hansen, Alex. (2010) Permeability estimates of self-affine fracture faults based on generalization of the bottleneck concept. Water Resources Research. volum 46.
    Academic article
  • Talon, L; Auradou, Harold; Hansen, Alex. (2010) Permeability of self-affine aperture fields. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 82 (4).
    Academic article
  • Tørå, Glenn; Hansen, Alex. (2010) Heat diffusion in a two-dimensional thermal fuse model. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 81 (6).
    Academic article
  • Tørå, Glenn; Ramstad, Thomas; Hansen, Alex. (2010) Anomalous Diffusion Clusters in Steady-State Two-Phase Flow in Porous Media. Europhysics letters. volum 89.
    Errata

2009

  • Hansen, Alex; Ramstad, Thomas. (2009) Towards a thermodynamics of immiscible two-phase steady-state flow in porous media. Computational Geosciences. volum 13 (2).
    Academic article
  • Hope, Sigmund Mongstad; Hansen, Alex. (2009) Burst distribution in noisy fiber bundles and fuse models. Physica A: Statistical Mechanics and its Applications. volum 388 (21).
    Academic article
  • Ramstad, Thomas; Hansen, Alex; Øren, Pål-Eric. (2009) Flux-dependent percolation transition in immiscible two-phase flows in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 79 (3).
    Academic article
  • Tørå, Glenn; Ramstad, Thomas; Hansen, Alex. (2009) Anomalous diffusion on clusters in steady-state two-phase flow in porous media in two dimensions. Europhysics letters. volum 87 (5).
    Academic article

2008

  • Andresen, Christian Andre; Hansen, Henning F.; Hansen, Alex; Vasconcelos, Giovani; Andrade, Jose Soares. (2008) Correlations between political party size and voter memory: a statistical analysis of opinion polls. International Journal of Modern Physics C. volum 19 (11).
    Academic article
  • Bakke, Jan Øystein Haavig; Hansen, Alex. (2008) Mapping of the roughness exponent for the fuse model for fracture. Physical Review Letters. volum 100.
    Academic article
  • Hansen, Alex; Ramstad, Thomas. (2008) Towards a Thermodynamics of Immiscible Two-Phase Steady-State Flow in Porous Media. Computational Geosciences.
    Academic article
  • Pradhan, Srutarshi; Hansen, Alex; Hemmer, Per Christian. (2008) Burst statistics as a criterion for imminent failure. IUTAM Symposium on Scaling in Solid Mechanics.
    Academic chapter/article
  • Ramstad, Thomas; Hansen, Alex. (2008) Capillary-driven instability of immiscible fluid interfaces flowing in parallel in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 78.
    Academic article

2007

  • Andresen, Christian Andre; Hansen, Alex; Schmittbuhl, J. (2007) Ridge network in crumpled paper. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 76.
    Academic article
  • Bakke, Jan Øystein Haavig; Hansen, Alex. (2007) Accuracy of roughness exponent measurement methods. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 76.
    Academic article
  • Bakke, Jan Øystein Haavig; Ramstad, Thomas; Hansen, Alex. (2007) Roughness exponent measurements for the central force model. Physical Review B. Condensed Matter and Materials Physics. volum 76.
    Academic article
  • Hansen, Alex; Batrouni, Ghassan George; Ramstad, Thomas; Schmittbuhl, Jean. (2007) Self-affinity in the gradient percolation problem. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 75.
    Academic article
  • Hansen, Alex; Hansen, Henning F.. (2007) A Monte Carlo model for networks between professionals and society. Physica A: Statistical Mechanics and its Applications. volum 377.
    Academic article
  • Hansen, Henning F.; Andresen, Christian Andre; Hansen, Alex. (2007) A quantitative measure for path structures of complex networks. Europhysics letters. volum 78.
    Academic article
  • Santucci, S; Måløy, Knut Jørgen; Delaplace, A; Mathiesen, Joachim; Hansen, Alex; Bakke, Jan Øystein Haavig; Schmittbuhl, J; Schmittbuhl, J; Vanel, L; Ray, P. (2007) Statistics of fracture surfaces. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 75.
    Academic article
  • Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2007) Effects of buckling on crack propagaton in paper - A stochastic modelling experiment. Appita journal.
    Academic article
  • Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2007) Scaling behaviour of damage in the fracture of two-dimensional elastic beam lattices. Europhysics letters. volum 80.
    Academic article

2006

  • Bakke, Jan Øystein Haavig; Hansen, Alex; Kertész, János. (2006) Failures and avalanches in complex networks. Europhysics letters. volum 76 (4).
    Academic article
  • Hansen, Alex; Mathiesen, Joachim. (2006) Survey of Scaling Surfaces. Modelling critical and catastrophic phenomena in geoscience: A statistical physics approach.
    Academic chapter/article
  • Helbing, Dirk; Johansson, Anders; Mathiesen, Joachim; Jensen, Mogens; Hansen, Alex. (2006) Analytical approach to continuous and intermittent bottleneck flows. Physical Review Letters. volum 97.
    Academic article
  • Hemmer, Per Christian; Hansen, Alex; Pradhan, Srutarshi. (2006) Rupture processes in fiber bundle models. Modelling critical and catastrophic phenomena in geoscience: A statistical physics approach.
    Academic chapter/article
  • Knudsen, Henning Arendt; Hansen, Alex. (2006) Two-Phase Flow in Porous Media: Dynamical Phase Transition. European Physical Journal B : Condensed Matter Physics. volum 49.
    Academic article
  • Pradhan, Srutarshi; Hansen, Alex; Hemmer, Per Christian. (2006) Crossover behavior in failure avalanches. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 74.
    Academic article
  • Ramstad, Thomas; Hansen, Alex. (2006) Cluster evolution in steady-state two-phase flow in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 73.
    Academic article
  • Schmittbuhl, Jean; Chambon, Guillaume; Hansen, Alex; Bouchon, Michel. (2006) Are stress distribution alog faults the signature of asperity squeeze?. Geophysical Research Letters. volum 33.
    Academic article
  • Toussaint, Renaud; Hansen, Alex. (2006) Mean-field theorey of localization in the fuse model. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 73.
    Academic article

2005

  • Bratberg, Ivar; Måløy, K.J.; Hansen, Alex. (2005) Validity of the Janssen law in narrow granular columns. The European Physical Journal E : Soft matter. volum 18.
    Academic article
  • Bratberg, Ivar; Måløy, Knut Jørgen; Hansen, Alex. (2005) Validity of the Jannsen law in granular columns. The European Physical Journal E : Soft matter. volum 18 (3).
    Academic article
  • Oliveira, Fernando A.; Morgado, Rafael; Hansen, Alex; Rubi, Miguel. (2005) Superdiffusive conduction: AC conductivity with correlated noise. Physica A: Statistical Mechanics and its Applications. volum 357.
    Academic article
  • Ramstad, Thomas; Bakke, Jan Øystein Haavig; Hansen, Alex. (2005) Scaling properties of the three-dimensional fuse model as a model for brittle fracture. Strength, Fracture and Complexity. volum 3 (2-4).
    Academic article
  • Skagerstam, Bo-Sture; Hansen, Alex. (2005) Memory Effects and Scaling Properties of Traffic Flows. Europhysics letters. volum 72 (4).
    Academic article
  • Bratberg, Ivar; Radjai, Farhang; Hansen, Alex. (2005) Intermittent flow of a collection of rigid frictional disks in a vertical pipe. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 71.
    Academic article
  • Donangelo, Raul; Hansen, Alex; Sneppen, Kim; Souza, Sergio S.. (2005) Need, greed and noise: competing strategies in a trading model. Physica A: Statistical Mechanics and its Applications. volum 348.
    Academic article
  • Hansen, Alex. (2005) Physics and fracture. Computing in science & engineering (Print). volum 7 (5).
    Letter to the editor
  • Pradhan, Srutarshi; Chakrabarti, Bikas K.; Hansen, Alex. (2005) Crossover behavior in a mixed-mode fiber bundle model. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 71.
    Academic article
  • Pradhan, Srutarshi; Hansen, Alex. (2005) Failure properties of loaded fiber bundles having a lower cutoff in fiber threshold distribution. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 72.
    Academic article
  • Pradhan, Srutarshi; Hansen, Alex; Hemmer, Per Christian. (2005) Crossover behavior in burst avalanches: Signature of imminent failure. Physical Review Letters. volum 95.
    Academic article

2004

  • Batrouni, Ghassan George; Ramstad, Thomas; Hansen, Alex. (2004) Free energy landscape and the critical velocity of superfuid films. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. volum 362.
    Academic article
  • Fossum, Jon Otto; Bergene, Håvard Huru; Hansen, Alex; O'Rourke, B.; Manificat, Guillaume. (2004) Self-affine crossover length in a layered silicate deposit. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 69.
    Academic article
  • Korsnes, Reinert; Souza, Sergio R.; Donangelo, Raul; Hansen, Alex; Paczuski, Maja; Sneppen, Kim. (2004) Scaling in fracture and refreezing of sea ice. Physica A: Statistical Mechanics and its Applications. volum 331.
    Academic article
  • Ramstad, Thomas; Bakke, Jan Øistein Haavig; Bjelland, Johannes; Stranden, Torunn; Hansen, Alex. (2004) Correlation length exponent in the three-dimensional fuse network. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 70.
    Academic article
  • Fossum, Jon Otto; Bergene, Håvard Huru; Hansen, Alex; O'Rourke, B; Manificat, Guillaume. (2004) Self-affine crossover length in a layered silicate deposit. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 69.
    Academic article
  • Hansen, Alex; Kertesz, J. (2004) Phase diagram of optimal paths. Physical Review Letters. volum 93.
    Academic article
  • Knudsen, HA; Hansen, Alex. (2004) Generic differential equation for fractional flow of steady two-phase flow in porous edia. Europhysics letters. volum 65.
    Academic article
  • Schmittbuhl, J; Hansen, Alex; Batrouni, GG. (2004) "Comment on ""Roughness of interfacial crack fronts: Stress-weighted percolation in the damage zone"" - Reply". Physical Review Letters. volum 92.
    Letter to the editor

2003

  • Auradou, Harold; Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex; Bideau, Daniel. (2003) Drainage in rough gouge-filled fracture. Transport in Porous Media. volum 50.
    Academic article
  • Bakke, Jan Øistein Haavig; Bjelland, Johannes; Ramstad, Thomas; Stranden, Torunn; Hansen, Alex; Schmittbuhl, Jean. (2003) Roughness of brittle fractures as a correlated percolation problem. Physica Scripta. volum T106.
    Academic article
  • Hansen, Alex; Schmittbuhl, Jean. (2003) Origin of the universal roughness exponent of brittle fracture: Stress-weighted percolation in the damage zone. Physical Review Letters. volum 90.
    Academic article
  • Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex; Batrouni, George. (2003) Scaling and dynamics of an interfacial crack front. International Journal of Fracture. volum 121.
    Academic article
  • Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex; Batrouni, Ghassan George. (2003) Scaling and dynamics of an interfacial crack front. International Journal of Fracture. volum 121.
    Academic article
  • Oliveira, Fernando A.; Morgado, Rafael; Lima, M. V. B. T.; Mello, M. A.; Hansen, Alex; Batrouni, Ghassan George. (2003) Comment on Dynamical foundations of nonextensive statistical mechanics. Physical Review Letters. volum 90.
    Academic article
  • Schmittbuhl, Jean; Hansen, Alex; Batrouni, Ghassan George. (2003) Roughness of interfacial crack fronts: Stress-weighted percolation in the damage zone. Physical Review Letters. volum 90.
    Academic article
  • Auradou, Harold; Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex. (2003) Drainage in a Rough Gouge filled Fracture. Transport in Porous Media. volum 50.
    Academic article
  • Batrouni, GG; Hansen, Alex; Schmittbuhl, J. (2003) In-plane roughness of brittle cracks. International Journal of Modern Physics B. volum 17.
    Academic article

2002

  • Bakk, Audun; Dommersnes, Paul G.; Hansen, Alex; Høye, Johan Skule; Sneppen, Kim; Jensen, Mogens H.. (2002) Thermodynamics of proteins: Fast folders and sharp transitions. Computer Physics Communications. volum 147 (1-2).
    Academic article
  • Bakk, Audun; Hansen, Alex. (2002) Mapping the non-directed polymer model to a non-linear growth equation of Burgers type. Physica A: Statistical Mechanics and its Applications. volum 310 (1-2).
    Academic article
  • Bakk, Audun; Høye, Johan Skule; Hansen, Alex. (2002) Apolar and Polar Solvation Thermodynamics Related to the Protein Unfolding Process. Biophysical Journal. volum 82 (2).
    Academic article
  • Bakk, Audun; Høye, Johan Skule; Hansen, Alex. (2002) Specific heat upon aqueous unfolding of the protein interior: a theoretical approach. Physica A: Statistical Mechanics and its Applications. volum 304 (3-4).
    Academic article
  • Bratberg, Ivar; Hansen, Alex. (2002) Dynamic rearrangments and packing regimes in randomly deposited beds. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics.
    Academic article

2001

  • Bakk, Audun; Hansen, Alex; Sneppen, Kim. (2001) Protein model exhibiting three folding transitions. Physica A: Statistical Mechanics and its Applications. volum 291 (1-4).
    Academic article
  • Bakk, Audun; Høye, Johan Skule; Hansen, Alex. (2001) Heat Capacity of Protein Folding. Biophysical Journal. volum 81 (2).
    Academic article
  • Bakk, Audun; Høye, Johan Skule; Hansen, Alex; Sneppen, Kim. (2001) Thermodynamical implications of a protein model with water interactions. Journal of Theoretical Biology. volum 210 (3).
    Academic article
  • Bobylev, Alexander V.; Hansen, Alex; Piasecki, Jaroslav; Hauge, Eivind Hiis. (2001) From the Liouville equation to the generalized Boltzmann equation for magnetotransport in the 2D Lorentz model. Journal of statistical physics. volum 102 (5/6).
    Academic article
  • Hansen, Alex. (2001) Random Fuse Networks: A Review. Physical Aspects of Fracture.
    Academic chapter/article
  • Hansen, Alex. (2001) Sand, siloer og moderne fysikk. P2-Akademiet volum "S".
    Academic chapter/article
  • Hansen, Alex; Schmittbuhl, Jean; Batrouni, G. George. (2001) Distinguishing Fractional and White Noise in One and Two Dimensions. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 63.
    Academic article
  • Oliveira, Fernando Albuquerque; Morgado, R; Dias, C; Batrouni, G. George; Hansen, Alex. (2001) Comment on non-stationarity induced by long-time noise correlations in the Langevin equation. Physical Review Letters. volum 86.
    Academic article
  • Olivi-Tran, Natalie; Batrouni, George; Hansen, Alex. (2001) Crack formation in two-dimensional annular networks. Journal of Physics: Condensed Matter. volum 13.
    Academic article
  • Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2001) Roughness of Crack Interfaces in Two-Dimensional Beam Lattices. Physical Review Letters. volum 87.
    Academic article

2000

  • Bakk, Audun; Høye, Johan Skule; Hansen, Alex; Jensen, Mogens Høgh; Sneppen, Kim. (2000) Pathways in two-state protein folding. Biophysical Journal. volum 79 (5).
    Academic article
  • Donangelo, Raul; Hansen, Alex; Sneppen, Kim; Souza, Sergio R.. (2000) Modelling an imperfect market. Physica A: Statistical Mechanics and its Applications. volum 283.
    Academic article
  • Donangelo, Raul; Hansen, Alex; Sneppen, Kim; Souza, Sergio R.. (2000) Physics of Fashion Fluctuations. Physica A: Statistical Mechanics and its Applications. volum 287.
    Academic article
  • Frantziskonis, George N.; Hansen, Alex. (2000) Wavelet-based Multiscaling in Self-Affine Random Media. Fractals. volum 8 (4).
    Academic article
  • Hansen, Alex; Jensen, Mogens H.; Sneppen, Kim; Zocchi, Giovanni. (2000) Modeling molecular motors as folding-unfolding cycles. Europhysics letters. volum 50.
    Academic article
  • Hansen, Alex; Jensen, Mogens Høgh; Sneppen, Kim; Zocchi, Giovanni. (2000) A model for the thermodynamics of proteins. Soft Condensed Matter: Configurations, Dynamics and Functionality.
    Academic chapter/article
  • Hansen, Alex; Jensen, Mogens Høgh; Sneppen, Kim; Zocchi, Giovanni. (2000) Proteins Top-Down: A Statistical Mechanics Approach. Physica A: Statistical Mechanics and its Applications.
    Academic article
  • Hansen, Alex; Roux, Stephane. (2000) Statistics Toolbox for Damage and Fracture. CISM Courses and Lectures no. 410: Damage and Fracture of Disordered Materials.
    Academic chapter/article
  • Hansen, Alex; Schmittbuhl, Jean; Batrouni, G. George; Oliveira, Fernando A. de. (2000) Normal stress distribution of rough surfaces in contact. Geophysical Research Letters. volum 27 (22).
    Academic article
  • Knudsen, Henning Arendt; Hansen, Alex. (2000) Diamagnetic susceptibility and current distributions in granular superconductors. Physical Review B. Condensed Matter and Materials Physics.
    Academic article
  • Schmittbuhl, Jean; Hansen, Alex; Auradou, Harold; Maloy, Knut Jorgen. (2000) Geometry and Dynamics of Invasion Percolation with Correlated Buoyancy. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics.
    Academic article
  • Aker, Eyvind; Hansen, Alex; Måløy, Knut Jørgen. (2000) A numerical study of capillary and viscous drainage in porous media. Recent Research Developments in Fluid Dynamics.
    Academic article
  • Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex. (2000) Dynamics of stable viscous displacement in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 61.
    Academic article
  • Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex. (2000) Viscous Stabilization of 2D Drainage Displacements with Trapping. Physical Review Letters. volum 84.
    Academic article
  • Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex; Basak, Soumen. (2000) Burst dynamics during drainage displacement in porous media: Simulations and experiments. Europhysics letters.
    Academic article
  • Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex; Basak, Soumen. (2000) Burst dynamics during drainage displacements in porous media: Simulations and experiments. Europhysics letters. volum 51 (1).
    Academic article
  • Schmittbuhl, Jean; Hansen, Alex; Auradou, Harold; Måløy, Knut Jørgen. (2000) Geometry and dynamics of invasion percolation with correlated buoyancy. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 61 (4).
    Academic article

1999

  • Auradou, Harold; Maloy, Knut Jorgen; Schmittbuhl, Jean; Hansen, Alex. (1999) Competition between Correlated Buoyancy and Uncorrelated Capillary Effects during Drainage. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 60.
    Academic article
  • Hansen, Alex; Jensen, Mogens H.; Sneppen, Kim; Zocchi, Giovanni. (1999) A model for the thermodynamics of globular proteins. Physica A: Statistical Mechanics and its Applications. volum 270.
    Academic article
  • Hansen, Alex; Jensen, Mogens H; Sneppen, Kim; Zocchi, Giovanni. (1999) Hot and cold denaturation of proteins: Critical Aspects. European Physical Journal B : Condensed Matter Physics. volum 10.
    Academic article
  • Skjetne, Erik; Hansen, Alex; Gudmundsson, Jon Steinar. (1999) High-velocity flow in a self-affine channel. Journal of Fluid Mechanics. volum 383.
    Academic article
  • Auradou, Harold; Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex; Bideau, Daniel. (1999) Competition between correlated buoyancy and uncorrelated capillary effects during drainage. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 60 (6).
    Academic article

1998

  • Batrouni, Ghassan George; Hansen, Alex. (1998) Fracture in three-dimensional fuse networks. Physical Review Letters. volum 80.
    Academic article
  • Einarsrud, Mari-Ann; Maaø, Frank A.; Hansen, Alex; Kirkedelen, May Britt; Samseth, Jon. (1998) Band formation during gaseous diffusion in aerogels. Physical Review A. Atomic, Molecular, and Optical Physics (PRA).
    Academic article
  • Hansen, Alex; Hemmer, P.C.. (1998) Simultaneous failures in fiber bundles. PROBAMAT - 21 century: probabilities and materials.
    Academic chapter/article
  • Hansen, Alex; Jensen, Mogens H.; Sneppen, Kim; Zocchi, Giovanni. (1998) A hierarchical scheme for cooperativity and folding in proteins. Physica A: Statistical Mechanics and its Applications. volum 250.
    Academic article
  • Hansen, Alex; Jensen, Mogens H; Sneppen, Kim; Zocchi, Giovanni. (1998) Statistical mechanics of warm and cold unfolding of proteins. European Physical Journal B : Condensed Matter Physics. volum 6.
    Academic article
  • Hansen, Alex; Kertesz, Janos. (1998) Tunneling percolation: Universality and application to the integer quantum Hall effect. Philosophical Magazine. volum 77.
    Academic article
  • Ippolito, Irene; Bideau, Daniel; Hansen, Alex. (1998) Experimental simulation of polymers in dynamically disordered media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 57.
    Academic article
  • Samseth, Jon; Kirkedalen, May Britt; Maaø, Frank A.; Hansen, Alex; Einarsrud, Mari-Ann. (1998) Liesegang pattern formation by gas diffusion in silica aerogels. Journal of Non-Crystalline Solids. volum 225.
    Academic article
  • Simonsen, Ingve; Hansen, Alex; Nes, Olav Magnar. (1998) Determination of hust exponents by use of the wavelet transform,. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 58.
    Academic article
  • Simonsen, Ingve; Hansen, Alex; Nes, Olav-Magnar. (1998) Determination of the Hurst exponent by use of wavelet transforms. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum E58.
    Academic article
  • Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex; Batrouni, George. (1998) A two-dimensional network simulator for two-phase flow in porous media. Transport in Porous Media. volum 32.
    Academic article
  • Hansen, Alex; Aker, Eyvind; Måløy, Knut Jørgen. (1998) Simulating temporal evolution of pressure in two-phase flow in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 58 (2).
    Academic article

1997

  • Bobylev, A.V.; Maaø, Frank A.; Hansen, Alex; Hauge, Eivind H.. (1997) There is more to be learned from the Lorentz model. Journal of statistical physics. volum 87 (5/6).
    Academic article
  • Bratberg, Ivar; Hansen, Alex; Hauge, Eivind H.. (1997) Geometrical exponents in the integer quantum Hall effect. Europhysics letters. volum 37 (1).
    Academic article
  • Bratberg, Ivar; Hansen, Alex; Hauge, Eivind H.. (1997) Tunneling in the integer quantum Hall effect. Tunneling and its implications.
    Academic chapter/article
  • Frette, Olav Inge; Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex. (1997) Immiscible displacement of viscosity-matched fluids in two-dimensional porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 55 (3).
    Academic article
  • Hansen, Alex; Hauge, Eivind H.; Hove, Joachim; Maaø, Frank A.. (1997) Criticality in the integer quantum Hall effect. Annual reviews of computational physics.
    Academic chapter/article
  • Kloster, M.; Hansen, Alex; Hemmer, P.C.. (1997) Burst avalanches in solvable models of fibrous materials. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 56 (3).
    Academic article
  • Piasecki, J.; Hansen, Alex; Hauge, Eivind H.. (1997) Magnetotransport in the 2D Lorentz model : linear and nonlinear effects of a weak electric field. Journal of Physics A: Mathematical and General. volum 30.
    Academic article

1996

  • Batrouni, G. George; Hansen, Alex; Larson, Brond. (1996) Current distribution in the three-dimensional random resistor network at the percolation threshold. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 53 (3).
    Academic article
  • Berglund, N.; Hansen, Alex; Hauge, Eivind H.; Piasecki, J.. (1996) Can a local repulsive potential trap an electron?. Physical Review Letters. volum 77 (11).
    Academic article
  • Hansen, Alex; Kertész, János. (1996) Absence of self-averaging in global optimization problems. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 53 (6).
    Academic article
  • Pennec, Thierry Le; Måløy, Knut Jørgen; Hansen, Alex; Ammi, Madani; Bideau, Daniel; Wu, Xiao-lun. (1996) Ticking hour glasses : experimental analysis of intermittent flow. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 53 (3).
    Academic article
  • Wennberg, Kjell Erik; Batrouni, G. George; Hansen, Alex; Horsrud, Per. (1996) Band formation in deposition of fines in porous media. Transport in Porous Media. volum 25.
    Academic article

1995

  • Bobylev, A.V.; Maaø, Frank A.; Hansen, Alex; Hauge, Eivind Hiis. (1995) Two-dimensional magnetotransport according to the classical Lorentz model. Physical Review Letters. volum 75 (2).
    Academic article
  • Davy, P.; Hansen, Alex; Bonnet, E.; Zhang, Shou-Zhu. (1995) Localization and fault growth in layered brittle-ductile systems : implications for deformations of the continental lithosphere. Journal of Geophysical Research (JGR). volum 100 (B4).
    Academic article
  • Gutfraind, R.; Hansen, Alex. (1995) Study of fracture permeability using lattice gas automata. Transport in Porous Media. volum 18.
    Academic article
  • Gutfraind, Ricardo; Ippolito, Irene; Hansen, Alex. (1995) Study of tracer dispersion in self-affine fractures using lattice-gas automata. Physics of Fluids. volum 7 (8).
    Academic article
  • Hansen, Alex; Hemmer, P.C.. (1995) Criticality in fracture : the burst distribution. Research trends.
    Academic chapter/article
  • Hansen, Alex; Lütken, C.A.. (1995) Semiclassical quantum percolation in the quantum Hall system. Physical Review B Condensed Matter. volum 51 (8).
    Academic article
  • Hansen, Alex; Plouraboué, Franck; Roux, Stéphane. (1995) Shadows in a self-affine landscape. Fractals. volum 3 (1).
    Academic article
  • Hansen, Alex. (1995) Sammenbruddets fysikk. P2-akademiets bokserie, NRK.
    Academic chapter/article
  • Lutken, Carsten Andrew; Hansen, Alex. (1995) Semiclassical Quantum Percolation in the Quantum Hall System. Physical Review B. Condensed Matter and Materials Physics. volum 51.
    Academic article

1994

  • Bardhan, K.K. red.; Chakrabarti, B.K; Hansen, Alex. (1994) Non-linearity and breakdown in soft condensed matter : proceedings of a workshop held at Calcutta, India, 1-9 December 1993. Springer. 1994. ISBN 3-540-58652-0.
    Nonfiction book
  • Batrouni, G. George; Hansen, Alex; Ristow, Gerald H.. (1994) Tolerance and sensitivity in the fuse network. Journal of Physics A: Mathematical and General. volum 27.
    Academic article
  • Bideau, Daniel; Ammi, Madani; Hansen, Alex. (1994) Le tic-tac du sablier. La Recherche (Imprimé). volum 25 (261).
    Academic article
  • Engøy, Thor; Måløy, Knut Jørgen; Hansen, Alex; Roux, Stephane. (1994) Roughness of two-dimensional cracks in wood. Physical Review Letters. volum 73 (6).
    Academic article
  • Hansen, Alex; Engøy, Thor; Måløy, Knut Jørgen. (1994) Measuring Hurst exponents with the first return method. Fractals. volum 2 (4).
    Academic article
  • Hansen, Alex; Hemmer, P.C.. (1994) Burst avalanches in bundles of fibers : local versus global load-sharing. Physics Letters A. volum 184 (6).
    Academic article
  • Måløy, Knut Jørgen; Ammi, Madani; Bideau, Daniel; Hansen, Alex; Wu, Xiao-lun. (1994) Quelques experiences sur le sablier intermittent. Comptes rendues de l'Academie des sciences Series II. volum 319, ser. II.
    Academic article
  • Riguidel, F.-X.; Hansen, Alex; Bideau, D.. (1994) Gravity-driven motion of a particle on an inclined plane with controlled roughness. Europhysics letters. volum 28 (1).
    Academic article
  • Riguidel, Francois-Xavier; Jullien, Remi; Ristow, Gerald H.; Hansen, Alex; Bideau, Daniel. (1994) Behaviour of a sphere on a rough inclined plane. Journal de Physique I. volum 4.
    Academic article
  • Roux, Stephane; Hansen, Alex. (1994) Conductance noise in electrodeposition. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 49 (1).
    Academic article
  • Roux, Stephane; Hansen, Alex. (1994) Interface roughening and pinning. Journal de Physique I. volum 4.
    Academic article

Scientific articles

  • Cheon, Hyejeong; Fyhn, Hursanay; Hansen, Alex; Wilhelmsen, Øivind; Sinha, Santanu. (2023) Steady-State Two-Phase Flow of Compressible and Incompressible Fluids in a Capillary Tube of Varying Radius. Transport in Porous Media.
    Academic article
  • Hansen, Alex; Flekkøy, Eirik Grude; Sinha, Santanu; Slotte, Per Arne. (2022) A statistical mechanics framework for immiscible and incompressible two-phase flow in porous media. Advances in Water Resources. volum 171.
    Academic article
  • Lanza, Federico; Rosso, Alberto; Talon, Laurent; Hansen, Alex. (2022) Non-Newtonian Rheology in a Capillary Tube with Varying Radius. Transport in Porous Media. volum 145 (1).
    Academic article
  • Roy, Subhadeep; Pedersen, Håkon; Sinha, Santanu; Hansen, Alex. (2022) The Co-Moving Velocity in Immiscible Two-Phase Flow in Porous Media. Transport in Porous Media. volum 143 (1).
    Academic article
  • Charan, Harish; Hansen, Alex; Hentschel, H. George E.; Procaccia, Itamar. (2021) Aging and Failure of a Polymer Chain under Tension. Physical Review Letters. volum 126 (8).
    Academic article
  • Debski, Wojciech; Pradhan, Srutarshi; Hansen, Alex. (2021) Criterion for Imminent Failure During Loading — Discrete Element Method Analysis. Frontiers in Physics. volum 9.
    Academic article
  • Flekkøy, Eirik Grude; Hansen, Alex; Baldelli, Beatrice. (2021) Hyperballistic Superdiffusion and Explosive Solutions to the Non-Linear Diffusion Equation. Frontiers in Physics. volum 9.
    Academic article
  • Fromreide, Mads; Hansen, Alex. (2021) Predicting Motion Patterns Using Optimal Paths. Frontiers in Physics. volum 9.
    Academic article
  • Fyhn, Hursanay; Sinha, Santanu; Roy, Subhadeep; Hansen, Alex. (2021) Rheology of Immiscible Two‑phase Flow in Mixed Wet Porous Media: Dynamic Pore Network Model and Capillary Fiber Bundle Model Results. Transport in Porous Media. volum 139.
    Academic article
  • Måløy, Knut Jørgen; Moura, Marcel; Hansen, Alex; Flekkøy, Eirik Grude; Toussaint, Renaud. (2021) Burst Dynamics, Upscaling and Dissipation of Slow Drainage in Porous Media. Frontiers in Physics. volum 9.
    Academic article
  • Roy, Subhadeep; Sinha, Santanu; Hansen, Alex. (2021) Role of Pore-Size Distribution on Effective Rheology of Two-Phase Flow in Porous Media. Frontiers in water. volum 3.
    Academic article
  • Sinha, Santanu; Roy, Subhadeep; Hansen, Alex. (2021) Crack localization and the interplay between stress enhancement and thermal noise. Physica A: Statistical Mechanics and its Applications. volum 569.
    Academic article
  • Gjennestad, Magnus Aashammer; Winkler, Mathias; Hansen, Alex. (2020) Pore Network Modeling of the Effects of Viscosity Ratio and Pressure Gradient on Steady-State Incompressible Two-Phase Flow in Porous Media. Transport in Porous Media. volum 132.
    Academic article
  • Hansen, Alex; Flekkøy, Eirik Grude; Baldelli, Beatrice. (2020) Anomalous diffusion in systems with concentration-dependent diffusivity: exact solutions and particle simulations. Frontiers in Physics. volum 8:519624.
    Academic article
  • Roy, Subhadeep; Sinha, Santanu; Hansen, Alex. (2020) Flow-Area Relations in Immiscible Two-Phase Flow in Porous Media. Frontiers in Physics. volum 8.
    Academic article
  • Sinha, Santanu; Roy, Subhadeep; Hansen, Alex. (2020) Phase transitions and correlations in fracture processes where disorder and stress compete. Physical Review Research (PRResearch). volum 2 (4).
    Academic article
  • Talon, Laurent; Hansen, Alex. (2020) Effective Rheology of Bi-viscous Non-newtonian Fluids in Porous Media. Frontiers in Physics. volum 7.
    Academic article
  • Winkler, Mathias; Gjennestad, Magnus Aashammer; Bedeaux, Dick; Kjelstrup, Signe; Cabriolu, Raffaela; Hansen, Alex. (2020) Onsager-symmetry obeyed in athermal mesoscopic systems: Two-phase flow in porous media. Frontiers in Physics. volum 8.
    Academic article
  • Kjellstadli, Jonas Tøgersen; Bering, Eivind; Hendrick, Martin; Pradhan, Srutarshi; Hansen, Alex. (2019) Can Local Stress Enhancement Induce Stability in Fracture Processes? Part I: Apparent Stability. Frontiers in Physics. volum 7.
    Academic article
  • Kjellstadli, Jonas Tøgersen; Bering, Eivind; Pradhan, Srutarshi; Hansen, Alex. (2019) Can Local Stress Enhancement Induce Stability in Fracture Processes? Part II: The Shielding Effect. Frontiers in Physics. volum 7.
    Academic article
  • Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2019) Non-isothermal Transport of Multi-phase Fluids in Porous Media. Constitutive Equations. Frontiers of Physics. volum 6.
    Academic article
  • Pradhan, Srutarshi; Kjellstadli, Jonas Tøgersen; Hansen, Alex. (2019) Variation of Elastic Energy Shows Reliable Signal of Upcoming Catastrophic Failure. Frontiers in Physics. volum 7.
    Academic article
  • Roy, Subhadeep; Hansen, Alex; Sinha, Santanu. (2019) Effective rheology of two-phase flow in a capillary fiber bundle model. Frontiers in Physics. volum 7 (JULY).
    Academic article
  • Roy, Subhadeep; Sinha, Santanu; Hansen, Alex. (2019) Immiscible two-phase flow in porous media: Effective rheology in the continuum limit. arXiv.org.
    Academic article
  • Sinha, Santanu; Gjennestad, Magnus Aashammer; Vassvik, Morten; Winkler, Mathias; Hansen, Alex; Flekkøy, Eirik Grude. (2019) Rheology of high-capillary number two-phase flow in porous media. Frontiers in Physics. volum 7 (65).
    Academic article
  • Skjetne, Bjørn; Hansen, Alex. (2019) Implications of Realistic Fracture Criteria on Crack Morphology. Frontiers in Physics. volum 7.
    Academic article
  • Zhao, Benzhong; MacMinn, Christopher W.; Primkulov, Bauyrzhan K.; Chen, Yu; Valocchi, Albert J.; Zhao, Jianlin; Kang, Qinjun; Bruning, Kelsey; McClure, James E.; Miller, Cass T.; Fakhari, Abbas; Bolster, Diogo; Hiller, Thomas; Brinkmann, Martin; Cueto-Felguerose, Luis; Cogswell, Daniel A.; Verma, Rahul; Prodanovic, Masa; Maes, Julien; Geiger, Sebastian; Vassvik, Morten; Hansen, Alex; Segre, Enrico; Holtzman, Ran; Yang, Zhibing; Yuan, Chao; Chareyre, Bruno; Juanes, Ruben. (2019) Comprehensive comparison of pore-scale models for multiphase flow in porous media. Proceedings of the National Academy of Sciences of the United States of America. volum 116 (28).
    Academic article
  • Gjennestad, Magnus Aashammer; Vassvik, Morten; Kjelstrup, Signe; Hansen, Alex. (2018) Stable and efficient time integration of a dynamic pore network model for two-phase flow in porous media. Frontiers in Physics. volum 6.
    Academic article
  • Hansen, Alex; Sinha, Santanu; Bedeaux, Dick; Kjelstrup, Signe; Gjennestad, Magnus Aashammer; Vassvik, Morten. (2018) Relations Between Seepage Velocities in Immiscible, Incompressible Two-Phase Flow in Porous Media. Transport in Porous Media. volum 125 (3).
    Academic article
  • Hendrick, Martin; Pradhan, Srutarshi; Hansen, Alex. (2018) Mesoscopic description of the equal-load-sharing fiber bundle model. Physical review. E. volum 98 (3).
    Academic article
  • Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2018) Non-isothermal transport of multi-phase fluids in porous media. The entropy production. Frontiers in Physics. volum 6.
    Academic article
  • Pradhan, Srutarshi; Hansen, Alex; Ray, Purusattam. (2018) A Renormalization Group Procedure for Fiber Bundle Models. Frontiers in Physics. volum 6.
    Academic article
  • Savani, Isha; Bedeaux, Dick; Kjelstrup, Signe; Vassvik, Morten; Sinha, Santanu; Hansen, Alex. (2017) Ensemble distribution for immiscible two-phase flow in porous media. Physical review. E. volum 95:023116 (2).
    Academic article
  • Savani, Isha; Sinha, Santanu; Hansen, Alex; Bedeaux, Dick; Kjelstrup, Signe; Vassvik, Morten. (2017) A Monte Carlo Algorithm for Immiscible Two-Phase Flow in Porous Media. Transport in Porous Media. volum 116 (2).
    Academic article
  • Sinha, Santanu; Bender, Andrew T; Danczyk, Matthew; Keepseagle, Kayla; Prather, Cody A; Bray, Joshua M; Thrane, Linn W; Seymour, Joseph D.; Codd, Sarah L.; Hansen, Alex. (2017) Effective Rheology of Two-Phase Flow in Three-Dimensional Porous Media: Experiment and Simulation. Transport in Porous Media. volum 119 (1).
    Academic article
  • Stormo, Arne; Lengliné, Olivier; Schmittbuhl, Jean; Hansen, Alex. (2016) Soft-Clamp Fiber Bundle Model and Interfacial Crack Propagation: Comparison Using a Non-linear Imposed Displacement. Frontiers in Physics. volum 4.
    Academic article
  • Flekkøy, Eirik Grude; Hansen, Alex. (2015) An effective medium derivation of the Cole-Cole relation for electric conductivity. Geophysics. volum 80 (2).
    Academic article
  • Flovik, Vegard; Sinha, Santanu; Hansen, Alex. (2015) Dynamic Wettability Alteration in Immiscible Two-phase Flow in Porous Media: Effect on Transport Properties and Critical Slowing Down. Frontiers in Physics. volum 3.
    Academic article
  • Hope, Sigmund Mongstad; Davy, Philippe; Maillot, Julien; Le Goc, Romain; Hansen, Alex. (2015) Topological impact of constrained fracture growth. Frontiers in Physics. volum 3.
    Academic article
  • Hope, Sigmund Mongstad; Kundu, Sumanta; Roy, Chandreyee; Manna, S. S.; Hansen, Alex. (2015) Network topology of the desert rose. Frontiers in Physics. volum 3.
    Academic article
  • Linga, Gaute; Ballone, Pietro; Hansen, Alex. (2015) Creep rupture of fiber bundles: A molecular dynamics investigation. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 92 (2).
    Academic article
  • Sinha, Santanu; Kjellstadli, Jonas Tøgersen; Hansen, Alex. (2015) Local load-sharing fiber bundle model in higher dimensions. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 92:020401 (2).
    Academic article
  • Aursjø, Olav; Erpelding, Marion; Tallakstad, Ken Tore; Flekkøy, Eirik Grude; Hansen, Alex; Måløy, Knut Jørgen. (2014) Film flow dominated simultaneous flow of two viscous incompressible fluids through a porous medium. Frontiers in Physics. volum 2.
    Academic article
  • Gjerden, Knut Skogstrand; Stormo, Arne; Hansen, Alex. (2014) Local dynamics of a randomly pinned crack front: a numerical study. Frontiers in Physics. volum 2 (66).
    Academic article
  • Hansen, Alex. (2014) Grand challenges in interdisciplinary physics. Frontiers of Physics. volum 2.
    Academic article
  • Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2014) Discrete element modeling of brittle crack roughness in three dimensions. Frontiers in Physics. volum 2.
    Academic article
  • Talon, Laurent; Auradou, Harold; Hansen, Alex. (2014) Effective rheology of Bingham fluids in a rough channel. Frontiers of Physics. volum 2:24.
    Academic article
  • Vevatne, Jonas Nesland; Rimstad, Eivind; Hope, Sigmund Mongstad; Korsnes, Reinert; Hansen, Alex. (2014) Fracture networks in sea ice. Frontiers in Physics. volum 2.
    Academic article
  • Andresen, Christian Andre; Hansen, Alex; Le Goc, Romain; Davy, Philippe; Hope, Sigmund Mongstad. (2013) Topology of fracture networks. Frontiers in Physics. volum 1.
    Academic article
  • Erpelding, Marion; Sinha, Santanu; Tallakstad, Ken Tore; Hansen, Alex; Flekkøy, Eirik Grude; Måløy, Knut Jørgen. (2013) History independence of steady state in simultaneous two-phase flow through two-dimensional porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 88 (5).
    Academic article
  • Gjerden, Knut Skogstrand; Stormo, Arne; Hansen, Alex. (2013) Universality classes of constrained crack growth. Physical Review Letters. volum 111 (13).
    Academic article
  • Sinha, Santanu; Hansen, Alex; Bedeaux, Dick; Kjelstrup, Signe. (2013) Effective rheology of bubbles moving in a capillary tube. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 87 (2).
    Academic article
  • Talon, Laurent; Auradou, Harold; Pessel, Marc; Hansen, Alex. (2013) Geometry of optimal path hierarchies. Europhysics letters. volum 103 (3).
    Academic article
  • Gjerden, Knut Skogstrand; Stormo, Arne; Hansen, Alex. (2012) A model for stable interfacial crack growth. Journal of Physics: Conference Series (JPCS). volum 402.
    Academic article
  • Moreira, A. A.; Oliveira, C. L. N.; Hansen, Alex; Araujo, N. A. M.; Herrmann, Hans J.; Andrade Jr., Jose Soares. (2012) Fracturing highly disordered materials. Physical Review Letters. volum 109 (25).
    Academic article
  • Sinha, Santanu; Hansen, Alex. (2012) Effective rheology of immiscible two-phase flow in porous media. Europhysics letters. volum 99 (4).
    Academic article
  • Skjetne, Bjørn; Hansen, Alex. (2012) Stochastic Modeling of Crack Avalanches in Hydraulic Fracture. Symposium series - Southern African Institute of Mining and Metallurgy. volum S71.
    Academic article
  • Stormo, Arne; Gjerden, Knut Skogstrand; Hansen, Alex. (2012) Onset of localization in heterogeneous interfacial failure. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 86 (2).
    Academic article
  • Talon, L; Auradou, H; Hansen, Alex. (2012) Relation between first arrival time and permeability in self-affine fractures with areas in contact. Europhysics letters. volum 97 (6).
    Academic article
  • Tørå, Glenn; Øren, Pål-Eric; Hansen, Alex. (2012) A Dynamic Network Model for Two-Phase Flow in Porous Media. Transport in Porous Media. volum 92 (1).
    Academic article
  • Grøva, Morten; Hansen, Alex. (2011) Two-phase flow in porous media: power-law scaling of effective permeability. Journal of Physics: Conference Series (JPCS). volum 319 (1).
    Academic article
  • Hansen, Alex; Lucena, Liacir; da Silva, Luciano R.. (2011) Spatial correlations in permeability distributions due to extreme dynamics restructuring of unconsolidated sandstone. Physica A: Statistical Mechanics and its Applications. volum 390 (4).
    Academic article
  • Hansen, Alex; Skagerstam, Bo-Sture; Tørå, Glenn. (2011) Anomalous scaling and solitary waves in systems with nonlinear diffusion. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 83 (5).
    Academic article
  • Sinha, Santanu; Grøva, Morten; Ødegården, Torgeir Bryge; Skjetne, Erik; Hansen, Alex. (2011) Local wettability reversal during steady-state two-phase flow in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 84 (3).
    Academic article
  • Santucci, Stephane; Grob, M; Toussaint, Renaud; Schmittbuhl, Jean; Hansen, Alex; Måløy, Knut Jørgen. (2010) Fracture roughness scaling: A case study on planar cracks. Europhysics letters. volum 92 (4).
    Academic article
  • Bakke, Jan Øystein Haavig; Ray, Purusattam; Hansen, Alex. (2010) Morphology of Laplacian random walks. Europhysics letters. volum 92 (3).
    Academic article
  • Ellingsen, Simen Andreas Ådnøy; Gjerden, Knut Skogstrand; Grøva, Morten; Hansen, Alex. (2010) Model for density waves in gravity-driven granular flow in narrow pipes. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 81 (6).
    Academic article
  • Hansen, Henning F.; Walle, Lars Erik; Hansen, Alex. (2010) Wealth and Income Distributions in Norway: A Case Study. Dynamics of Socio-Economic Systems. volum 2 (1).
    Academic article
  • Pradhan, Srutarshi; Hansen, Alex; Chakrabarti, Bikas K.. (2010) Failure processes in elastic fiber bundles. Reviews of Modern Physics. volum 82 (1).
    Academic article
  • Talon, L; Auradou, H; Hansen, Alex. (2010) Permeability estimates of self-affine fracture faults based on generalization of the bottleneck concept. Water Resources Research. volum 46.
    Academic article
  • Talon, L; Auradou, Harold; Hansen, Alex. (2010) Permeability of self-affine aperture fields. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 82 (4).
    Academic article
  • Tørå, Glenn; Hansen, Alex. (2010) Heat diffusion in a two-dimensional thermal fuse model. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 81 (6).
    Academic article
  • Hansen, Alex; Ramstad, Thomas. (2009) Towards a thermodynamics of immiscible two-phase steady-state flow in porous media. Computational Geosciences. volum 13 (2).
    Academic article
  • Hope, Sigmund Mongstad; Hansen, Alex. (2009) Burst distribution in noisy fiber bundles and fuse models. Physica A: Statistical Mechanics and its Applications. volum 388 (21).
    Academic article
  • Ramstad, Thomas; Hansen, Alex; Øren, Pål-Eric. (2009) Flux-dependent percolation transition in immiscible two-phase flows in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 79 (3).
    Academic article
  • Tørå, Glenn; Ramstad, Thomas; Hansen, Alex. (2009) Anomalous diffusion on clusters in steady-state two-phase flow in porous media in two dimensions. Europhysics letters. volum 87 (5).
    Academic article
  • Andresen, Christian Andre; Hansen, Henning F.; Hansen, Alex; Vasconcelos, Giovani; Andrade, Jose Soares. (2008) Correlations between political party size and voter memory: a statistical analysis of opinion polls. International Journal of Modern Physics C. volum 19 (11).
    Academic article
  • Bakke, Jan Øystein Haavig; Hansen, Alex. (2008) Mapping of the roughness exponent for the fuse model for fracture. Physical Review Letters. volum 100.
    Academic article
  • Hansen, Alex; Ramstad, Thomas. (2008) Towards a Thermodynamics of Immiscible Two-Phase Steady-State Flow in Porous Media. Computational Geosciences.
    Academic article
  • Ramstad, Thomas; Hansen, Alex. (2008) Capillary-driven instability of immiscible fluid interfaces flowing in parallel in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 78.
    Academic article
  • Andresen, Christian Andre; Hansen, Alex; Schmittbuhl, J. (2007) Ridge network in crumpled paper. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 76.
    Academic article
  • Bakke, Jan Øystein Haavig; Hansen, Alex. (2007) Accuracy of roughness exponent measurement methods. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 76.
    Academic article
  • Bakke, Jan Øystein Haavig; Ramstad, Thomas; Hansen, Alex. (2007) Roughness exponent measurements for the central force model. Physical Review B. Condensed Matter and Materials Physics. volum 76.
    Academic article
  • Hansen, Alex; Batrouni, Ghassan George; Ramstad, Thomas; Schmittbuhl, Jean. (2007) Self-affinity in the gradient percolation problem. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 75.
    Academic article
  • Hansen, Alex; Hansen, Henning F.. (2007) A Monte Carlo model for networks between professionals and society. Physica A: Statistical Mechanics and its Applications. volum 377.
    Academic article
  • Hansen, Henning F.; Andresen, Christian Andre; Hansen, Alex. (2007) A quantitative measure for path structures of complex networks. Europhysics letters. volum 78.
    Academic article
  • Santucci, S; Måløy, Knut Jørgen; Delaplace, A; Mathiesen, Joachim; Hansen, Alex; Bakke, Jan Øystein Haavig; Schmittbuhl, J; Schmittbuhl, J; Vanel, L; Ray, P. (2007) Statistics of fracture surfaces. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 75.
    Academic article
  • Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2007) Effects of buckling on crack propagaton in paper - A stochastic modelling experiment. Appita journal.
    Academic article
  • Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2007) Scaling behaviour of damage in the fracture of two-dimensional elastic beam lattices. Europhysics letters. volum 80.
    Academic article
  • Bakke, Jan Øystein Haavig; Hansen, Alex; Kertész, János. (2006) Failures and avalanches in complex networks. Europhysics letters. volum 76 (4).
    Academic article
  • Helbing, Dirk; Johansson, Anders; Mathiesen, Joachim; Jensen, Mogens; Hansen, Alex. (2006) Analytical approach to continuous and intermittent bottleneck flows. Physical Review Letters. volum 97.
    Academic article
  • Knudsen, Henning Arendt; Hansen, Alex. (2006) Two-Phase Flow in Porous Media: Dynamical Phase Transition. European Physical Journal B : Condensed Matter Physics. volum 49.
    Academic article
  • Pradhan, Srutarshi; Hansen, Alex; Hemmer, Per Christian. (2006) Crossover behavior in failure avalanches. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 74.
    Academic article
  • Ramstad, Thomas; Hansen, Alex. (2006) Cluster evolution in steady-state two-phase flow in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 73.
    Academic article
  • Schmittbuhl, Jean; Chambon, Guillaume; Hansen, Alex; Bouchon, Michel. (2006) Are stress distribution alog faults the signature of asperity squeeze?. Geophysical Research Letters. volum 33.
    Academic article
  • Toussaint, Renaud; Hansen, Alex. (2006) Mean-field theorey of localization in the fuse model. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 73.
    Academic article
  • Bratberg, Ivar; Måløy, K.J.; Hansen, Alex. (2005) Validity of the Janssen law in narrow granular columns. The European Physical Journal E : Soft matter. volum 18.
    Academic article
  • Bratberg, Ivar; Måløy, Knut Jørgen; Hansen, Alex. (2005) Validity of the Jannsen law in granular columns. The European Physical Journal E : Soft matter. volum 18 (3).
    Academic article
  • Oliveira, Fernando A.; Morgado, Rafael; Hansen, Alex; Rubi, Miguel. (2005) Superdiffusive conduction: AC conductivity with correlated noise. Physica A: Statistical Mechanics and its Applications. volum 357.
    Academic article
  • Ramstad, Thomas; Bakke, Jan Øystein Haavig; Hansen, Alex. (2005) Scaling properties of the three-dimensional fuse model as a model for brittle fracture. Strength, Fracture and Complexity. volum 3 (2-4).
    Academic article
  • Skagerstam, Bo-Sture; Hansen, Alex. (2005) Memory Effects and Scaling Properties of Traffic Flows. Europhysics letters. volum 72 (4).
    Academic article
  • Bratberg, Ivar; Radjai, Farhang; Hansen, Alex. (2005) Intermittent flow of a collection of rigid frictional disks in a vertical pipe. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 71.
    Academic article
  • Donangelo, Raul; Hansen, Alex; Sneppen, Kim; Souza, Sergio S.. (2005) Need, greed and noise: competing strategies in a trading model. Physica A: Statistical Mechanics and its Applications. volum 348.
    Academic article
  • Pradhan, Srutarshi; Chakrabarti, Bikas K.; Hansen, Alex. (2005) Crossover behavior in a mixed-mode fiber bundle model. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 71.
    Academic article
  • Pradhan, Srutarshi; Hansen, Alex. (2005) Failure properties of loaded fiber bundles having a lower cutoff in fiber threshold distribution. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 72.
    Academic article
  • Pradhan, Srutarshi; Hansen, Alex; Hemmer, Per Christian. (2005) Crossover behavior in burst avalanches: Signature of imminent failure. Physical Review Letters. volum 95.
    Academic article
  • Batrouni, Ghassan George; Ramstad, Thomas; Hansen, Alex. (2004) Free energy landscape and the critical velocity of superfuid films. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. volum 362.
    Academic article
  • Fossum, Jon Otto; Bergene, Håvard Huru; Hansen, Alex; O'Rourke, B.; Manificat, Guillaume. (2004) Self-affine crossover length in a layered silicate deposit. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 69.
    Academic article
  • Korsnes, Reinert; Souza, Sergio R.; Donangelo, Raul; Hansen, Alex; Paczuski, Maja; Sneppen, Kim. (2004) Scaling in fracture and refreezing of sea ice. Physica A: Statistical Mechanics and its Applications. volum 331.
    Academic article
  • Ramstad, Thomas; Bakke, Jan Øistein Haavig; Bjelland, Johannes; Stranden, Torunn; Hansen, Alex. (2004) Correlation length exponent in the three-dimensional fuse network. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 70.
    Academic article
  • Fossum, Jon Otto; Bergene, Håvard Huru; Hansen, Alex; O'Rourke, B; Manificat, Guillaume. (2004) Self-affine crossover length in a layered silicate deposit. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 69.
    Academic article
  • Hansen, Alex; Kertesz, J. (2004) Phase diagram of optimal paths. Physical Review Letters. volum 93.
    Academic article
  • Knudsen, HA; Hansen, Alex. (2004) Generic differential equation for fractional flow of steady two-phase flow in porous edia. Europhysics letters. volum 65.
    Academic article
  • Auradou, Harold; Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex; Bideau, Daniel. (2003) Drainage in rough gouge-filled fracture. Transport in Porous Media. volum 50.
    Academic article
  • Bakke, Jan Øistein Haavig; Bjelland, Johannes; Ramstad, Thomas; Stranden, Torunn; Hansen, Alex; Schmittbuhl, Jean. (2003) Roughness of brittle fractures as a correlated percolation problem. Physica Scripta. volum T106.
    Academic article
  • Hansen, Alex; Schmittbuhl, Jean. (2003) Origin of the universal roughness exponent of brittle fracture: Stress-weighted percolation in the damage zone. Physical Review Letters. volum 90.
    Academic article
  • Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex; Batrouni, George. (2003) Scaling and dynamics of an interfacial crack front. International Journal of Fracture. volum 121.
    Academic article
  • Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex; Batrouni, Ghassan George. (2003) Scaling and dynamics of an interfacial crack front. International Journal of Fracture. volum 121.
    Academic article
  • Oliveira, Fernando A.; Morgado, Rafael; Lima, M. V. B. T.; Mello, M. A.; Hansen, Alex; Batrouni, Ghassan George. (2003) Comment on Dynamical foundations of nonextensive statistical mechanics. Physical Review Letters. volum 90.
    Academic article
  • Schmittbuhl, Jean; Hansen, Alex; Batrouni, Ghassan George. (2003) Roughness of interfacial crack fronts: Stress-weighted percolation in the damage zone. Physical Review Letters. volum 90.
    Academic article
  • Auradou, Harold; Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex. (2003) Drainage in a Rough Gouge filled Fracture. Transport in Porous Media. volum 50.
    Academic article
  • Batrouni, GG; Hansen, Alex; Schmittbuhl, J. (2003) In-plane roughness of brittle cracks. International Journal of Modern Physics B. volum 17.
    Academic article
  • Bakk, Audun; Dommersnes, Paul G.; Hansen, Alex; Høye, Johan Skule; Sneppen, Kim; Jensen, Mogens H.. (2002) Thermodynamics of proteins: Fast folders and sharp transitions. Computer Physics Communications. volum 147 (1-2).
    Academic article
  • Bakk, Audun; Hansen, Alex. (2002) Mapping the non-directed polymer model to a non-linear growth equation of Burgers type. Physica A: Statistical Mechanics and its Applications. volum 310 (1-2).
    Academic article
  • Bakk, Audun; Høye, Johan Skule; Hansen, Alex. (2002) Apolar and Polar Solvation Thermodynamics Related to the Protein Unfolding Process. Biophysical Journal. volum 82 (2).
    Academic article
  • Bakk, Audun; Høye, Johan Skule; Hansen, Alex. (2002) Specific heat upon aqueous unfolding of the protein interior: a theoretical approach. Physica A: Statistical Mechanics and its Applications. volum 304 (3-4).
    Academic article
  • Bratberg, Ivar; Hansen, Alex. (2002) Dynamic rearrangments and packing regimes in randomly deposited beds. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics.
    Academic article
  • Bakk, Audun; Hansen, Alex; Sneppen, Kim. (2001) Protein model exhibiting three folding transitions. Physica A: Statistical Mechanics and its Applications. volum 291 (1-4).
    Academic article
  • Bakk, Audun; Høye, Johan Skule; Hansen, Alex. (2001) Heat Capacity of Protein Folding. Biophysical Journal. volum 81 (2).
    Academic article
  • Bakk, Audun; Høye, Johan Skule; Hansen, Alex; Sneppen, Kim. (2001) Thermodynamical implications of a protein model with water interactions. Journal of Theoretical Biology. volum 210 (3).
    Academic article
  • Bobylev, Alexander V.; Hansen, Alex; Piasecki, Jaroslav; Hauge, Eivind Hiis. (2001) From the Liouville equation to the generalized Boltzmann equation for magnetotransport in the 2D Lorentz model. Journal of statistical physics. volum 102 (5/6).
    Academic article
  • Hansen, Alex; Schmittbuhl, Jean; Batrouni, G. George. (2001) Distinguishing Fractional and White Noise in One and Two Dimensions. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 63.
    Academic article
  • Oliveira, Fernando Albuquerque; Morgado, R; Dias, C; Batrouni, G. George; Hansen, Alex. (2001) Comment on non-stationarity induced by long-time noise correlations in the Langevin equation. Physical Review Letters. volum 86.
    Academic article
  • Olivi-Tran, Natalie; Batrouni, George; Hansen, Alex. (2001) Crack formation in two-dimensional annular networks. Journal of Physics: Condensed Matter. volum 13.
    Academic article
  • Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2001) Roughness of Crack Interfaces in Two-Dimensional Beam Lattices. Physical Review Letters. volum 87.
    Academic article
  • Bakk, Audun; Høye, Johan Skule; Hansen, Alex; Jensen, Mogens Høgh; Sneppen, Kim. (2000) Pathways in two-state protein folding. Biophysical Journal. volum 79 (5).
    Academic article
  • Donangelo, Raul; Hansen, Alex; Sneppen, Kim; Souza, Sergio R.. (2000) Modelling an imperfect market. Physica A: Statistical Mechanics and its Applications. volum 283.
    Academic article
  • Donangelo, Raul; Hansen, Alex; Sneppen, Kim; Souza, Sergio R.. (2000) Physics of Fashion Fluctuations. Physica A: Statistical Mechanics and its Applications. volum 287.
    Academic article
  • Frantziskonis, George N.; Hansen, Alex. (2000) Wavelet-based Multiscaling in Self-Affine Random Media. Fractals. volum 8 (4).
    Academic article
  • Hansen, Alex; Jensen, Mogens H.; Sneppen, Kim; Zocchi, Giovanni. (2000) Modeling molecular motors as folding-unfolding cycles. Europhysics letters. volum 50.
    Academic article
  • Hansen, Alex; Jensen, Mogens Høgh; Sneppen, Kim; Zocchi, Giovanni. (2000) Proteins Top-Down: A Statistical Mechanics Approach. Physica A: Statistical Mechanics and its Applications.
    Academic article
  • Hansen, Alex; Schmittbuhl, Jean; Batrouni, G. George; Oliveira, Fernando A. de. (2000) Normal stress distribution of rough surfaces in contact. Geophysical Research Letters. volum 27 (22).
    Academic article
  • Knudsen, Henning Arendt; Hansen, Alex. (2000) Diamagnetic susceptibility and current distributions in granular superconductors. Physical Review B. Condensed Matter and Materials Physics.
    Academic article
  • Schmittbuhl, Jean; Hansen, Alex; Auradou, Harold; Maloy, Knut Jorgen. (2000) Geometry and Dynamics of Invasion Percolation with Correlated Buoyancy. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics.
    Academic article
  • Aker, Eyvind; Hansen, Alex; Måløy, Knut Jørgen. (2000) A numerical study of capillary and viscous drainage in porous media. Recent Research Developments in Fluid Dynamics.
    Academic article
  • Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex. (2000) Dynamics of stable viscous displacement in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 61.
    Academic article
  • Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex. (2000) Viscous Stabilization of 2D Drainage Displacements with Trapping. Physical Review Letters. volum 84.
    Academic article
  • Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex; Basak, Soumen. (2000) Burst dynamics during drainage displacement in porous media: Simulations and experiments. Europhysics letters.
    Academic article
  • Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex; Basak, Soumen. (2000) Burst dynamics during drainage displacements in porous media: Simulations and experiments. Europhysics letters. volum 51 (1).
    Academic article
  • Schmittbuhl, Jean; Hansen, Alex; Auradou, Harold; Måløy, Knut Jørgen. (2000) Geometry and dynamics of invasion percolation with correlated buoyancy. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 61 (4).
    Academic article
  • Auradou, Harold; Maloy, Knut Jorgen; Schmittbuhl, Jean; Hansen, Alex. (1999) Competition between Correlated Buoyancy and Uncorrelated Capillary Effects during Drainage. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 60.
    Academic article
  • Hansen, Alex; Jensen, Mogens H.; Sneppen, Kim; Zocchi, Giovanni. (1999) A model for the thermodynamics of globular proteins. Physica A: Statistical Mechanics and its Applications. volum 270.
    Academic article
  • Hansen, Alex; Jensen, Mogens H; Sneppen, Kim; Zocchi, Giovanni. (1999) Hot and cold denaturation of proteins: Critical Aspects. European Physical Journal B : Condensed Matter Physics. volum 10.
    Academic article
  • Skjetne, Erik; Hansen, Alex; Gudmundsson, Jon Steinar. (1999) High-velocity flow in a self-affine channel. Journal of Fluid Mechanics. volum 383.
    Academic article
  • Auradou, Harold; Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex; Bideau, Daniel. (1999) Competition between correlated buoyancy and uncorrelated capillary effects during drainage. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 60 (6).
    Academic article
  • Batrouni, Ghassan George; Hansen, Alex. (1998) Fracture in three-dimensional fuse networks. Physical Review Letters. volum 80.
    Academic article
  • Einarsrud, Mari-Ann; Maaø, Frank A.; Hansen, Alex; Kirkedelen, May Britt; Samseth, Jon. (1998) Band formation during gaseous diffusion in aerogels. Physical Review A. Atomic, Molecular, and Optical Physics (PRA).
    Academic article
  • Hansen, Alex; Jensen, Mogens H.; Sneppen, Kim; Zocchi, Giovanni. (1998) A hierarchical scheme for cooperativity and folding in proteins. Physica A: Statistical Mechanics and its Applications. volum 250.
    Academic article
  • Hansen, Alex; Jensen, Mogens H; Sneppen, Kim; Zocchi, Giovanni. (1998) Statistical mechanics of warm and cold unfolding of proteins. European Physical Journal B : Condensed Matter Physics. volum 6.
    Academic article
  • Hansen, Alex; Kertesz, Janos. (1998) Tunneling percolation: Universality and application to the integer quantum Hall effect. Philosophical Magazine. volum 77.
    Academic article
  • Ippolito, Irene; Bideau, Daniel; Hansen, Alex. (1998) Experimental simulation of polymers in dynamically disordered media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 57.
    Academic article
  • Samseth, Jon; Kirkedalen, May Britt; Maaø, Frank A.; Hansen, Alex; Einarsrud, Mari-Ann. (1998) Liesegang pattern formation by gas diffusion in silica aerogels. Journal of Non-Crystalline Solids. volum 225.
    Academic article
  • Simonsen, Ingve; Hansen, Alex; Nes, Olav Magnar. (1998) Determination of hust exponents by use of the wavelet transform,. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 58.
    Academic article
  • Simonsen, Ingve; Hansen, Alex; Nes, Olav-Magnar. (1998) Determination of the Hurst exponent by use of wavelet transforms. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum E58.
    Academic article
  • Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex; Batrouni, George. (1998) A two-dimensional network simulator for two-phase flow in porous media. Transport in Porous Media. volum 32.
    Academic article
  • Hansen, Alex; Aker, Eyvind; Måløy, Knut Jørgen. (1998) Simulating temporal evolution of pressure in two-phase flow in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 58 (2).
    Academic article
  • Bobylev, A.V.; Maaø, Frank A.; Hansen, Alex; Hauge, Eivind H.. (1997) There is more to be learned from the Lorentz model. Journal of statistical physics. volum 87 (5/6).
    Academic article
  • Bratberg, Ivar; Hansen, Alex; Hauge, Eivind H.. (1997) Geometrical exponents in the integer quantum Hall effect. Europhysics letters. volum 37 (1).
    Academic article
  • Frette, Olav Inge; Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex. (1997) Immiscible displacement of viscosity-matched fluids in two-dimensional porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 55 (3).
    Academic article
  • Kloster, M.; Hansen, Alex; Hemmer, P.C.. (1997) Burst avalanches in solvable models of fibrous materials. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 56 (3).
    Academic article
  • Piasecki, J.; Hansen, Alex; Hauge, Eivind H.. (1997) Magnetotransport in the 2D Lorentz model : linear and nonlinear effects of a weak electric field. Journal of Physics A: Mathematical and General. volum 30.
    Academic article
  • Batrouni, G. George; Hansen, Alex; Larson, Brond. (1996) Current distribution in the three-dimensional random resistor network at the percolation threshold. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 53 (3).
    Academic article
  • Berglund, N.; Hansen, Alex; Hauge, Eivind H.; Piasecki, J.. (1996) Can a local repulsive potential trap an electron?. Physical Review Letters. volum 77 (11).
    Academic article
  • Hansen, Alex; Kertész, János. (1996) Absence of self-averaging in global optimization problems. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 53 (6).
    Academic article
  • Pennec, Thierry Le; Måløy, Knut Jørgen; Hansen, Alex; Ammi, Madani; Bideau, Daniel; Wu, Xiao-lun. (1996) Ticking hour glasses : experimental analysis of intermittent flow. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 53 (3).
    Academic article
  • Wennberg, Kjell Erik; Batrouni, G. George; Hansen, Alex; Horsrud, Per. (1996) Band formation in deposition of fines in porous media. Transport in Porous Media. volum 25.
    Academic article
  • Bobylev, A.V.; Maaø, Frank A.; Hansen, Alex; Hauge, Eivind Hiis. (1995) Two-dimensional magnetotransport according to the classical Lorentz model. Physical Review Letters. volum 75 (2).
    Academic article
  • Davy, P.; Hansen, Alex; Bonnet, E.; Zhang, Shou-Zhu. (1995) Localization and fault growth in layered brittle-ductile systems : implications for deformations of the continental lithosphere. Journal of Geophysical Research (JGR). volum 100 (B4).
    Academic article
  • Gutfraind, R.; Hansen, Alex. (1995) Study of fracture permeability using lattice gas automata. Transport in Porous Media. volum 18.
    Academic article
  • Gutfraind, Ricardo; Ippolito, Irene; Hansen, Alex. (1995) Study of tracer dispersion in self-affine fractures using lattice-gas automata. Physics of Fluids. volum 7 (8).
    Academic article
  • Hansen, Alex; Lütken, C.A.. (1995) Semiclassical quantum percolation in the quantum Hall system. Physical Review B Condensed Matter. volum 51 (8).
    Academic article
  • Hansen, Alex; Plouraboué, Franck; Roux, Stéphane. (1995) Shadows in a self-affine landscape. Fractals. volum 3 (1).
    Academic article
  • Lutken, Carsten Andrew; Hansen, Alex. (1995) Semiclassical Quantum Percolation in the Quantum Hall System. Physical Review B. Condensed Matter and Materials Physics. volum 51.
    Academic article
  • Batrouni, G. George; Hansen, Alex; Ristow, Gerald H.. (1994) Tolerance and sensitivity in the fuse network. Journal of Physics A: Mathematical and General. volum 27.
    Academic article
  • Bideau, Daniel; Ammi, Madani; Hansen, Alex. (1994) Le tic-tac du sablier. La Recherche (Imprimé). volum 25 (261).
    Academic article
  • Engøy, Thor; Måløy, Knut Jørgen; Hansen, Alex; Roux, Stephane. (1994) Roughness of two-dimensional cracks in wood. Physical Review Letters. volum 73 (6).
    Academic article
  • Hansen, Alex; Engøy, Thor; Måløy, Knut Jørgen. (1994) Measuring Hurst exponents with the first return method. Fractals. volum 2 (4).
    Academic article
  • Hansen, Alex; Hemmer, P.C.. (1994) Burst avalanches in bundles of fibers : local versus global load-sharing. Physics Letters A. volum 184 (6).
    Academic article
  • Måløy, Knut Jørgen; Ammi, Madani; Bideau, Daniel; Hansen, Alex; Wu, Xiao-lun. (1994) Quelques experiences sur le sablier intermittent. Comptes rendues de l'Academie des sciences Series II. volum 319, ser. II.
    Academic article
  • Riguidel, F.-X.; Hansen, Alex; Bideau, D.. (1994) Gravity-driven motion of a particle on an inclined plane with controlled roughness. Europhysics letters. volum 28 (1).
    Academic article
  • Riguidel, Francois-Xavier; Jullien, Remi; Ristow, Gerald H.; Hansen, Alex; Bideau, Daniel. (1994) Behaviour of a sphere on a rough inclined plane. Journal de Physique I. volum 4.
    Academic article
  • Roux, Stephane; Hansen, Alex. (1994) Conductance noise in electrodeposition. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. volum 49 (1).
    Academic article
  • Roux, Stephane; Hansen, Alex. (1994) Interface roughening and pinning. Journal de Physique I. volum 4.
    Academic article

Journal publications

  • Hutt, Axel; Grüning, André; Hansen, Alex; Hartung, Thomas; Robeva, Raina. (2022) Editorial: Machine Learning in Natural Complex Systems. Frontiers in Applied Mathematics and Statistics. volum 8.
    Editorial
  • Gjennestad, Magnus Aa.; Winkler, Mathias; Hansen, Alex. (2021) Correction to: Pore Network Modeling of the Effects of Viscosity Ratio and Pressure Gradient on Steady-State Incompressible Two-Phase Flow in Porous Media (Transport in Porous Media, (2020), 132, 2, (355-379), 10.1007/s11242-020-01395-z). Transport in Porous Media. volum 137 (1).
    Errata
  • Hansen, Alex; Kun, Ferenc; Pradhan, Srutarshi; Ray, Purusattam. (2021) Editorial: The Fiber Bundle. Frontiers in Physics. volum 9 (795803).
    Editorial
  • Sinha, Santanu; Gjennestad, Magnus Aashammer; Vassvik, Morten; Hansen, Alex. (2021) Fluid Meniscus Algorithms for Dynamic Pore-Network Modeling of Immiscible Two-Phase Flow in Porous Media. Frontiers in Physics. volum 8.
    Scientific translation/review
  • Bedeaux, Dick; Flekkøy, Eirik Grude; Hansen, Alex; Måløy, Knut Jørgen; Kjelstrup, Signe; Torsæter, Ole. (2020) Editorial: Physics of Porous Media. Frontiers in Physics. volum 8.
    Editorial
  • Hansen, Alex. (2020) The Three Extreme Value Distributions: An Introductory Review. Frontiers in Physics. volum 8.
    Scientific translation/review
  • Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2019) Corrigendum: Non-isothermal transport of multi-phase fluids in porous media. Constitutive equations [Front. Phys., 6, 150 (2019)] DOI: 10.3389/fphy.2018.00150. Frontiers in Physics. volum 7 (JULY).
    Errata
  • Hope, Sigmund Mongstad; Moreira, André A.; Andrade Jr., José S.; Hansen, Alex. (2014) Reservoir mapping by global correlation analysis. International Journal of Rock Mechanics And Mining Sciences. volum 67.
    Short communication
  • Patinet, S; Vandembroucq, Damien; Hansen, Alex; Roux, Stephanie. (2014) Cracks in random brittle solids:: From fiber bundles to continuum mechanics. The European Physical Journal Special Topics. volum 223 (11).
    Scientific translation/review
  • Hansen, Alex; Sudbø, Asle. (2011) Special Edition for Conference on Computational Physics Trondheim, Norway, June 23-26, 2010 Preface. Computer Physics Communications. volum 182 (9).
    Editorial
  • Tørå, Glenn; Ramstad, Thomas; Hansen, Alex. (2010) Anomalous Diffusion Clusters in Steady-State Two-Phase Flow in Porous Media. Europhysics letters. volum 89.
    Errata
  • Hansen, Alex. (2005) Physics and fracture. Computing in science & engineering (Print). volum 7 (5).
    Letter to the editor
  • Schmittbuhl, J; Hansen, Alex; Batrouni, GG. (2004) "Comment on ""Roughness of interfacial crack fronts: Stress-weighted percolation in the damage zone"" - Reply". Physical Review Letters. volum 92.
    Letter to the editor

Books

  • Feder, Jens; Flekkøy, Eirik Grude; Hansen, Alex. (2022) Physics of Flow in Porous Media. Cambridge University Press. 2022. ISBN 9781108989114.
    Text book
  • Hansen, Alex. (2021) 2021 Frontiers in Physics Editor's Pick. 2021. ISBN 978-2-88971-076-8.
    Scientific anthology
  • Kun, Ferenc; Hansen, Alex; Ray, Purusattam; Pradhan, Srutarshi. (2021) The Fiber Bundle. 2021. ISBN 978-2-88974-011-6.
    Scientific anthology
  • Bedeaux, Dick; Flekkøy, Eirik Grude; Hansen, Alex; Kjelstrup, Signe; Måløy, Knut Jørgen; Torsæter, Ole. (2020) Physics of Porous Media. Frontiers. 2020. ISBN 978-2-88963-535-1.
    Scientific anthology
  • Hansen, Alex; Hemmer, Per Christian; Pradhan, Srutarshi. (2015) The Fiber Bundle Model Modeling Failure in Materials. Wiley-VCH Verlagsgesellschaft. 2015. ISBN 978 3 527 41214 3.
    Scientific monography
  • Bardhan, K.K. red.; Chakrabarti, B.K; Hansen, Alex. (1994) Non-linearity and breakdown in soft condensed matter : proceedings of a workshop held at Calcutta, India, 1-9 December 1993. Springer. 1994. ISBN 3-540-58652-0.
    Nonfiction book

Part of book/report

  • Hansen, Alex; Hemmer, Per Christian; Pradhan, Srutarshi. (2014) The Fiber Bundle Model. 5th Warsaw School of Statistical Physics.
    Academic chapter/article
  • Pradhan, Srutarshi; Hansen, Alex; Hemmer, Per Christian. (2008) Burst statistics as a criterion for imminent failure. IUTAM Symposium on Scaling in Solid Mechanics.
    Academic chapter/article
  • Hansen, Alex; Mathiesen, Joachim. (2006) Survey of Scaling Surfaces. Modelling critical and catastrophic phenomena in geoscience: A statistical physics approach.
    Academic chapter/article
  • Hemmer, Per Christian; Hansen, Alex; Pradhan, Srutarshi. (2006) Rupture processes in fiber bundle models. Modelling critical and catastrophic phenomena in geoscience: A statistical physics approach.
    Academic chapter/article
  • Hansen, Alex. (2001) Random Fuse Networks: A Review. Physical Aspects of Fracture.
    Academic chapter/article
  • Hansen, Alex. (2001) Sand, siloer og moderne fysikk. P2-Akademiet volum "S".
    Academic chapter/article
  • Hansen, Alex; Jensen, Mogens Høgh; Sneppen, Kim; Zocchi, Giovanni. (2000) A model for the thermodynamics of proteins. Soft Condensed Matter: Configurations, Dynamics and Functionality.
    Academic chapter/article
  • Hansen, Alex; Roux, Stephane. (2000) Statistics Toolbox for Damage and Fracture. CISM Courses and Lectures no. 410: Damage and Fracture of Disordered Materials.
    Academic chapter/article
  • Hansen, Alex; Hemmer, P.C.. (1998) Simultaneous failures in fiber bundles. PROBAMAT - 21 century: probabilities and materials.
    Academic chapter/article
  • Bratberg, Ivar; Hansen, Alex; Hauge, Eivind H.. (1997) Tunneling in the integer quantum Hall effect. Tunneling and its implications.
    Academic chapter/article
  • Hansen, Alex; Hauge, Eivind H.; Hove, Joachim; Maaø, Frank A.. (1997) Criticality in the integer quantum Hall effect. Annual reviews of computational physics.
    Academic chapter/article
  • Hansen, Alex; Hemmer, P.C.. (1995) Criticality in fracture : the burst distribution. Research trends.
    Academic chapter/article
  • Hansen, Alex. (1995) Sammenbruddets fysikk. P2-akademiets bokserie, NRK.
    Academic chapter/article

Report

  • Kolstrup, Gitte Solveig; Aspaas, Per Pippin; Hansen, Alex; Haugen, Ole-Jørgen; Karlstrøm, Henrik; Røeggen, Anders. (2021) Felles publiseringstjeneste i UH-sektoren: Rapport fra arbeidsgruppe utnevnt av UHR-Bibliotek. 2021.
    Report
  • Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2018) Non-isothermal transport of multi-phase fluids in porous media; The entropy production,. 2018.
    Report
  • Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2018) Non-isothermal transport of multi-phase fluids in porous media. Constitutive equations. 2018.
    Report
  • Hansen, Alex; Sinha, Santanu; Bedeaux, Dick; Kjelstrup, Signe; Gjennestad, Magnus Aashammer; Vassvik, Morten. (2017) Relations between Seepage Velocities in Immiscible, Incompressible Two-Phase Flow in Porous Media,. 2017.
    Report

Media

2022

  • Poster
    Cheon, Hyejeong; Wilhelmsen, Øivind; Fyhn, Hursanay; Hansen, Alex; Sinha, Santanu. (2022) Steady-state two-phase flow of compressible and incompressible fluids in capillary tube of varying radius. Annual European Rheology Conference (AERC 2022) ; 2022-04-26 - 2022-04-28.
  • Poster
    Fyhn, Hursanay; Sinha, Santanu; Hansen, Alex. (2022) Rheology of Immiscible Two-Phase Flow in Porous Media with Dual-Wettability Grains. 5th National Workshop on Porous Media, Norway ; 2022-12-01 - 2022-12-01.
  • Academic lecture
    Hansen, Alex. (2022) A statistical mechanics for immiscible two-phase flow in porous media. Workshop on Non-Newtonian Flow in Porous Media . PoreLab, NTNU/Univ. Paris-Saclay, Univ. Ceara.; Fortaleza. 2022-06-28 - 2022-06-30.
  • Academic lecture
    Hansen, Alex. (2022) Introducing Flow Temperature and Flow Entropy as Variables in Immiscible Two-Phase Flow in Porous Media. Flow and Transport in Permeable Media . Gordon Research Conferences; Les Diablerets. 2022-07-17 - 2022-07-22.
  • Academic lecture
    Hansen, Alex. (2022) Rise and Fall of Global Correlation Analysis. Workshop on Complex Systems in Honor of Professor Jose Soares Andrade . Universidade Federal do Ceara; Fortaleza. 2022-07-01 - 2022-07-01.
  • Academic lecture
    Hansen, Alex. (2022) Statistical mechanics of flow in porous media. Department colloquium . Indian Institute of Technology; Guwahati. 2022-02-23 - 2022-02-23.
  • Academic lecture
    Hansen, Alex. (2022) Statistical mechanics of immiscible two-phase flow in porous media. Gjesteforelesning . California Institute of Technology; Pasadena. 2022-10-27 - 2022-10-27.
  • Academic lecture
    Hansen, Alex. (2022) Statistical mechanics of immiscible two-phase flow in porous media. Gjesteforelesning . State University of Montana; Bozeman. 2022-10-24 - 2022-10-24.
  • Academic lecture
    Hansen, Alex. (2022) Statistical mechanics of immiscible two-phase flow in porous media. Gjesteforelesning . University of Wyoming; Laramie. 2022-10-17 - 2022-10-17.
  • Academic lecture
    Hansen, Alex. (2022) The fiber bundle model and the physics of flow in porous media. Gjesteforelesning . Universidade Federal do Rio Grande do Sul; Porto Alegre. 2022-07-05 - 2022-07-05.
  • Academic lecture
    Hansen, Alex. (2022) The fiber bundle model and the physics of fracture. Gjesteforelesning . Universidade Federal do Rio Grande do Sul; Porto Alegre. 2022-07-04 - 2022-07-04.
  • Academic lecture
    Hansen, Alex; Flekkøy, Eirik Grude; Sinha, Santanu; Slotte, Per Arne. (2022) Jaynes Statistical Mechanics Applied to Multiphase Flow in Porous Media. InterPore 2022 . InterPore; Abu Dhabi. 2022-05-30 - 2022-06-02.

2021

  • Poster
    Cheon, Hyejeong; Sinha, Santanu; Fyhn, Hursanay; Roy, Subhadeep; Hansen, Alex. (2021) Rheology of compressible and incompressible immiscible fluids in the capillary fiber bundle model. InterPore 2021 . International Society for Porous Media; Online. 2021-05-31 - 2021-06-04.
  • Academic lecture
    Fyhn, Hursanay; Sinha, Santanu; Roy, Subhadeep; Hansen, Alex. (2021) Rheology of two-phase flow in mixed-wet porous media: Dynamic network model and capillary fiber bundle results. InterPore 2021 . International Society for Porous Media; Online. 2021-05-31 - 2021-06-04.
  • Academic lecture
    Hansen, Alex. (2021) Handling Viscous Finger in Two-Phase Flow in Porous Media. Indo-Norwegian Workshop on Computational Challenges and Modelling of Coupled Processes in Porous Media ; Online. 2021-10-01 - 2021-10-03.
  • Academic lecture
    Hansen, Alex. (2021) Immiscible Two-Phase Flow in Porous Media: Getting from the Meso-Scale to the Continuum Scale. Seventeenth International Conference for Mesoscopic Methods in Engineering and Science ; Online. 2021-07-12 - 2021-07-16.
  • Academic lecture
    Hansen, Alex. (2021) Life Time Distribution of Stretched Polymers. Fracmeet . Institute of Mathematical Sciences; Chennai. 2021-03-08 - 2021-03-11.
  • Academic lecture
    Hansen, Alex. (2021) Predicting Failure: Fiber Bundle Model Studies. Composites Zoominar Series . Weizmann Institute; Rehovot. 2021-01-26 - 2021-01-26.
  • Academic lecture
    Kjelstrup, Signe; Bedeaux, Dick; Galteland, Olav; Rauter, Michael Tobias; Berg, Carl Fredrik; Hansen, Alex. (2021) Energy dissipation as heat in porous media flow. InterPore 2021 . International Society for Porous Media; Online. 2021-05-31 - 2021-06-04.
  • Academic lecture
    Kjelstrup, Signe; Bedeaux, Dick; Galteland, Olav; Rauter, Michael Tobias; Berg, Carl Fredrik; Hansen, Alex. (2021) Energy dissipation in porous media flow. Interpore . Interpore2021; Edinburgh. 2021-05-31 - 2021-06-04.
  • Academic lecture
    Kjelstrup, Signe; Bedeaux, Dick; Gjennestad, Magnus Aashammer; Rauter, Michael Tobias; Berg, Carl Fredrik; Hansen, Alex. (2021) From Pore Scale to Darcy Scale with Entropy Production as Tool. SIAM Conference on Mathematical & Computational Methods in Geoscience, GS21 . Milan Polytechnical University; Milan. 2021-06-21 - 2021-06-24.
  • Academic lecture
    Roy, Subhadeep; Pedersen, Håkon; Sinha, Santanu; Hansen, Alex. (2021) From the non-linear Darcy law for immiscible two-phase flow in porous media to constitutive equations for each fluid species. InterPore 2021 . International Society for Porous Media; Online. 2021-05-31 - 2021-06-04.
  • Poster
    Roy, Subhadeep; Sinha, Santanu; Hansen, Alex. (2021) How does the power law dependency of flow rate on pressure gradient when viscous and capillary forces compete, scale with system size?. InterPore 2021 . International Society for Porous Media; Online. 2021-05-31 - 2021-06-04.
  • Lecture
    Sinha, Santanu; Fyhn, Hursanay; Roy, Subhadeep; Meheust, Yves; Hansen, Alex. (2021) Growth and upscaling of viscous fingers in immiscible two-phase flow in porous media. Interpore 2021 . International Society of Porous Media; 2021-05-31 - 2021-06-04.

2020

  • Academic lecture
    Hansen, Alex. (2020) Immiscible Fluids in Porous Media: A New Approach to the Continuum Scale. Mixing in Porous Media . Lorentz Center, University of Leiden; Leiden. 2020-02-03 - 2020-02-07.
  • Academic lecture
    Roy, Subhadeep; Sinha, Santanu; Hansen, Alex. (2020) Two-phase flow through a porous media: A study in the dynamic pore network model. Fracmeet-2020 . SRM Amaravati and Institute of Mathematical Sciences; Amaravati. 2020-02-05 - 2020-02-07.
  • Lecture
    Sinha, Santanu; Gjennestad, Magnus Aashammer; Vassvik, Morten; Hansen, Alex. (2020) An interface-tracked dynamic network simulator for two-phase flow in porous media. Interpore 2020 . International Society of Porous Media; 2020-08-31 - 2020-09-04.
  • Academic lecture
    Sinha, Santanu; Gjennestad, Magnus Aashammer; Vassvik, Morten; Hansen, Alex. (2020) An interface-tracked dynamic network simulator for two-phase flow in porous media: recent developments and results. Interpore 2020 . InterPore; Online. 2020-08-30 - 2020-09-04.

2019

  • Academic lecture
    Bedeaux, Dick; Hansen, Alex; Olivier, Marie-Laure; Galteland, Olav; Sauermoser, Marco. (2019) Organisers International Workshop. Nonequilibrium Thermodynamis for Porous Media, PoreLab, NTNU . PoreLab, NTNU; Trondheim. 2019-10-29 - 2019-10-30.
  • Academic lecture
    Hansen, Alex. (2019) A Statistical Mechanics for Flow in Porous Media. New Trends in Statistical Physics - XXVI Sitges Conference on Statistical Mechanics ; Sitges. 2019-05-27 - 2019-05-31.
  • Academic lecture
    Hansen, Alex. (2019) A Survey of Recent Results on Immiscible Two-Phase Flow in Porous Media. Seminar . Tsinghua Universitetet; Beijing. 2019-12-05 - 2019-12-05.
  • Academic lecture
    Hansen, Alex. (2019) Can we do better than relative permeability when scaling up immiscible two-phase flow in porous media?. 3rd National Workshop on Porous Media . Interpore Norway; Stavanger. 2019-10-16 - 2019-10-16.
  • Academic lecture
    Hansen, Alex. (2019) Euler Theory for Immiscible Two-Phase Flow in Porous Media. Equinor seminar . Equinor; Trondheim. 2019-12-16 - 2019-12-16.
  • Lecture
    Hansen, Alex. (2019) Hvorfor porøse medier?. Norske fysikkstudenters konferanse . Norske Fysikkstudenters Organisasjon; Trondheim. 2019-03-15 - 2019-03-17.
  • Academic lecture
    Hansen, Alex. (2019) Immiscible two-phase flow in porous media: How adding a little symmetry can go a long way. Winter School on Computational Mathematical Modeling . Niels Bohr Institutet, Københavns Universitet; Geilo. 2019-03-25 - 2019-03-29.
  • Interview
    Hansen, Alex. (2019) Intervju under Frontiers Forum, Montreux, Sveits. Frontiers Media SA [Internett]. 2019-05-12.
  • Popular scientific lecture
    Hansen, Alex. (2019) More and more people lack clean water: Can basic research help?. The Big Challenge . NTNU; Trondheim. 2019-06-16 - 2019-06-19.
  • Academic lecture
    Hansen, Alex. (2019) SK70 – Signe Kjelstrup. SK70 . PoreLab; Trondheim. 2019-08-29.
  • Academic lecture
    Hansen, Alex. (2019) Sometimes complexity can be brought under control: How we do this for immiscible two-phase flow in porous media. Workshop on Complex Systems . Institute of Cybernetics, Tallinn University of Technology; Tallinn. 2019-01-16 - 2019-01-16.
  • Academic lecture
    Hansen, Alex. (2019) The Physics of Porous Media. Fysikermøtet . norsk fysisk selskap; Oslo. 2019-08-07 - 2019-08-09.
  • Academic lecture
    Hansen, Alex. (2019) The scale-up problem: A search for the missing link between the pore scale and continuum scale. IOR NORWAY . IOR Centre, UIS; Stavanger. 2019-03-19 - 2019-03-20.
  • Academic lecture
    Hansen, Alex; Bedeaux, Dick; Kjelstrup, Signe. (2019) Understanding the co-moving velocity. Interpore 2019 . Interpore; Valencia. 2019-05-06 - 2019-05-10.
  • Programme participation
    Havdal, Kristin; Hansen, Alex. (2019) "NTNU-forsker lærer oss noe nytt" i programmet Norske tilstander. NRK P3 [Radio]. 2019-06-19.
  • Poster
    Roy, Subhadeep; Hansen, Alex; Sinha, Santanu. (2019) Effective rheology of two-phase flow in porous media: A study in capillary fiber bundle model. Interpore 11th Annual Meeting (2019) . Universitat Politècnica de València; Valencia. 2019-05-06 - 2019-05-10.
  • Poster
    Roy, Subhadeep; Hansen, Alex; Sinha, Santanu. (2019) Effective rheology of two-phase flow in porous media: Dependence on saturation and system disorder. Annual European Rheology Conference AERC 2019 . European Society of Rheology; Portoroz. 2019-04-08 - 2019-04-11.
  • Academic lecture
    Roy, Subhadeep; Sinha, Santanu; Hansen, Alex. (2019) Effective rheology of two-phase flow in a porous media: The role of system size and system disorder. Systèmes Physiques Hors-équilibres hYdrodynamiques éNergie et compleXité -- SPHYNX, CEA SACLAY . Prof. Daniel Bonamy; Paris. 2019-09-10 - 2019-09-14.
  • Academic lecture
    Roy, Subhadeep; Sinha, Santanu; Hansen, Alex. (2019) Effective rheology of two-phase flow in porous media: dependence on system size and system disorder. Challenges in Multiphase Flows (2019) . Monash University Prato Center; Tuscany. 2019-12-09 - 2019-12-12.
  • Academic lecture
    Sinha, Santanu; Gjennestad, Magnus Aashammer; Vassvik, Morten; Winkler, Mathias; Hansen, Alex; Flekkøy, Eirik Grude. (2019) Effective Viscosity of Immiscible Two-phase Flow in Porous Media at High Capillary Number. Interpore 2019 . InterPore; Valencia. 2019-05-06 - 2019-05-10.
  • Academic lecture
    Sinha, Santanu; Gjennestad, Magnus Aashammer; Vassvik, Morten; Winkler, Mathias; Hansen, Alex; Flekkøy, Eirik Grude. (2019) Immiscible Two-phase Flow in Porous Media: Rheology at High Capillary Number. Annual European Rheology Conference 2019 ; Portoroz. 2019-04-08 - 2019-04-11.
  • Academic lecture
    Winkler, Mathias; Gjennestad, Magnus Aashammer; Bedeaux, Dick; Kjelstrup, Signe; Cabriolu, Raffaela; Hansen, Alex. (2019) Time Correlation Functions of Immiscible Two-Phase Flow in Porous Media. Interpore 11th annual meeting . International Society for Porous Media; Valencia. 2019-05-06 - 2019-05-10.

2018

  • Lecture
    Amundsen, Trond; Moser, Edvard Ingjald; Hansen, Alex. (2018) Debattmøte om Plan S, arr av Forskningsrådet og NTNU. innledning av Jon Arne Røttingen, kommentarer/diskusjonsinnlegg fra Edvard Moser, Trond Amundsen, Alex Hansen. Debattmøte om Plan S . Norges Forskningsråd og NTNU; NTNU. 2018-11-29 - 2018-11-29.
  • Academic lecture
    Bedeaux, Dick; Kjelstrup, Signe; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2018) NON-ISOTHERMAL TRANSPORT OF IMMISCIBLE FLUIDS IN A POROUS MATERIAL: SURFACE AND LINE CONTRIBUTIONS TO DRIVING FORCES. Entropy . Journal Entropy; Barcelona. 2018-05-13 - 2018-05-16.
  • Academic lecture
    Bedeaux, Dick; Kjelstrup, Signe; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2018) NON-ISOTHERMAL TRANSPORT OF IMMISCIBLE FLUIDS IN A POROUS MATERIAL: SURFACE CONTRIBUTIONS TO DRIVING FORCES. Visit Cambridge University, UK . Depatment of Chemistry; Cambridge. 2018-10-29 - 2018-10-30.
  • Academic lecture
    Bedeaux, Dick; Kjelstrup, Signe; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2018) NON-ISOTHERMAL TRANSPORT OF IMMISCIBLE FLUIDS IN A POROUS MATERIAL: SURFACE CONTRIBUTIONS TO DRIVING FORCES. Visit Lincoln University . School of Mathematics and Physics; Lincoln. 2018-11-08 - 2018-11-08.
  • Academic lecture
    Bedeaux, Dick; Kjelstrup, Signe; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2018) NON-ISOTHERMAL TRANSPORT OF IMMISCIBLE FLUIDS IN A POROUS MATERIAL: SURFACE CONTRIBUTIONS TO DRIVING FORCES. Interpore, Deltaris . Deltaris; Delft. 2018-10-12 - 2018-10-12.
  • Lecture
    Bering, Eivind; de Wijn, Astrid S.; Hansen, Alex. (2018) Molecular Dynamics Simulations of Polymeric Fibre Bundles under Tensile Load. Twentieth Symposium on Thermophysical Properties ; Boulder, Colorado. 2018-06-24 - 2018-06-29.
  • Lecture
    Bering, Eivind; Hansen, Alex; de Wijn, Astrid S.. (2018) Molecular Dynamics Simulations of Polymeric Fibre Bundles under Tensile Load. NTNU Nano Symposium . NTNU; Trondheim. 2018-11-28 - 2018-11-29.
  • Poster
    Gjennestad, Magnus Aashammer; Vassvik, Morten; Kjelstrup, Signe; Hansen, Alex. (2018) Stable and efficient time integration of a dynamic pore network model for two-phase flow in porous media. InterPore ; New Orleans. 2018-05-14 - 2018-05-17.
  • Academic lecture
    Hansen, Alex. (2018) A Generalized Thermodynamics for Porous Media Flow. 2nd National Workshop of Norwegian Chapter of InterPore . Interpore Norway; Oslo. 2018-11-12 - 2018-11-12.
  • Academic lecture
    Hansen, Alex. (2018) Characterization of Fractures and Fracture Networks. Deteriotian Mechanisms . Nanocem; Portmarnock. 2018-11-13 - 2018-11-14.
  • Academic lecture
    Hansen, Alex. (2018) Fiber Bundle Model – Introduction, Damage Mechanics, Renormalization Group and a Paradox. Fracmeet: Mechanical Properties of Complex Solids . Institute of Mathematical Sciences; Chennai. 2018-02-05 - 2018-02-09.
  • Academic lecture
    Hansen, Alex. (2018) Immiscible two phase flow in porous media: introduction and some results. Fracmeet: Mechanical Properties of Complex Solids . Institute of Mathematical Sciences; Chennai. 2018-02-05 - 2018-02-09.
  • Academic lecture
    Hansen, Alex. (2018) PoreLab: A Glimpse. QuSpin-PoreLab-CSRC Joint Workshop . PoreLab, QuSpin; Trondheim. 2018-06-19 - 2018-06-19.
  • Academic lecture
    Hansen, Alex. (2018) The Fiber Bundle Model: Modeling Material Failure. CDMM Seminar . Skolkovo Institute of Technology; Moskva. 2018-06-13 - 2018-06-13.
  • Academic lecture
    Hansen, Alex; Sinha, Santanu; Bedeaux, Dick; Kjelstrup, Signe; Gjennestad, Magnus Aashammer; Vassvik, Morten. (2018) Relations between seepage velocities in immiscible two-phase flow in porous media. Interpore 2018 . Interpore; New Orleans. 2018-05-14 - 2018-05-17.
  • Academic lecture
    Hendrick, Martin; Kjellstadli, Jonas Tøgersen; Pradhan, Srutarshi; Ray, Purusattam; Hansen, Alex. (2018) Renormalization Group Approach to the Fiber Bundle Model. Crackling Noise in Materials . NORDITA; Stockholm. 2018-04-30 - 2018-05-11.
  • Academic lecture
    Sinha, Santanu; Bender, Andrew T; Danczyk, Matthew; Keepseagle, Kayla; Prather, Cody A; Bray, Joshua M; Thrane, Linn W; Seymour, Joseph D.; Codd, Sarah L.; Hansen, Alex. (2018) Crossover from linear to non-linear rheological behavior of two-phase flow of Newtonian fluids in porous media. The Annual European Rheology Conference 2018 ; Sorrento. 2018-04-17 - 2018-04-20.
  • Academic lecture
    Sinha, Santanu; Hansen, Alex. (2018) Improving the Monte Carlo Algorithm for Pore-network Simulations of Immiscible Two-Phase Flow in Porous Media. Interpore 2018 . InterPore; New Orleans. 2018-05-14 - 2018-05-17.
  • Interview
    Sudbø, Asle; Hansen, Alex. (2018) Starter studentutveksling med Kina. Universitetsavisa [Internett]. 2018-06-20.
  • Interview
    Sudbø, Asle; Hansen, Alex. (2018) Starter studentutveksling med Kina. Universitetsavisa.no [Internett]. 2018-06-20.
  • Poster
    Winkler, Mathias; Gjennestad, Magnus Aashammer; Sinha, Santanu; Hansen, Alex. (2018) Constitutive Relations for a New Theoretical Framework Describing 2-Phase-Flow in Porous Media. Interpore 10th annual meeting . International Society for Porous Media; New Oleans. 2018-05-14 - 2018-05-17.

2017

  • Academic lecture
    Bedeaux, Dick; Savani, Isha; Kjelstrup, Signe; Hansen, Alex; Vassvik, Morten; Santanu, Sinha. (2017) Ensemble Distribution for Immiscible Two- Phase Flow in Porous Media. Opening PoreLab, Oslo, Norway ; 2017-09-05 - 2017-09-08.
  • Academic lecture
    Bedeaux, Dick; Savani, Isha; Kjelstrup, Signe; Hansen, Alex; Vassvik, Morten; Santanu, Sinha. (2017) Ensemble distribution for immiscible two phase flow in porous media. Interpore conference in Rotterdan, Netherlands ; 2017-05-07 - 2017-05-11.
  • Academic lecture
    Bering, Eivind; Indrehus, Sunniva; Ballone, Pietro; Hansen, Alex. (2017) A Simulation Approach to Creep in Extended and Nanometric Polymeric Fibres. European Advanced Materials Congress . International Association of Advanced Materials and VBRI Swe; Stockholm. 2017-08-22 - 2017-08-24.
  • Academic lecture
    Bering, Eivind; Indrehus, Sunniva; Ballone, Pietro; Hansen, Alex. (2017) A particle-based fibre bundle model. Fysikermøtet i Tromsø . UiT Norges Arktiske Universitet og Norsk Fysisk Selskap; Tromsø. 2017-08-07 - 2017-08-09.
  • Academic lecture
    Hansen, Alex. (2017) New Center of Excellence – PoreLab - Visions. 1st National Workshop of Norwegian Chapter of InterPore . Interpore Norway; Trondheim. 2017-10-18 - 2017-10-18.
  • Interview
    Hansen, Alex; Setså, Ronny. (2017) Fremragende forskning på porenivå. geoforskning.no [Internett]. 2017-03-17.
  • Lecture
    Hansen, Alex; Sinha, Santanu; Bedeaux, Dick; Kjelstrup, Signe; Savani, Isha; Vassvik, Morten. (2017) Flow in porous materials - as seen from thermodynamics. 9th International Conference on Porous Media . Tu Delft; Rotterdam. 2017-05-07 - 2017-05-11.
  • Interview
    Linder, Jacob; Hansen, Alex; Meland, Svein Inge. (2017) Millioner skal bygge muskelmiljø. Adresseavisen [Avis]. 2017-03-16.

2015

  • Academic lecture
    Kjellstadli, Jonas Tøgersen; Hansen, Alex. (2015) Systematic Study of the Burst Size Distribution in the Local Load Sharing Fiber Bundle Model. Conference on Computational Physics 2015 . Indian Institute of Technology Guwahati; Guwahati. 2015-12-02 - 2015-12-05.
  • Academic lecture
    Savani, Isha; Vassvik, Morten; Sinha, Santanu; Hansen, Alex; Bedeaux, Dick; Kjelstrup, Signe. (2015) Two-phase flow in microporous materials: From local to global permeability. International Workshop of Nonequilibrium Thermodynamics . Markus Hütter, chair, Technical University of Eindhoven; Hilvarenbeek. 2015-07-05 - 2015-07-10.

2014

  • Poster
    Hope, Sigmund Mongstad; Kundu, Sumanta; Roy, Chandreyee; Manna, S. S.; Hansen, Alex. (2014) Network Topology of a Desert Rose. Statphys - Kolkata VIII ; Kolkata. 2014-12-01 - 2014-12-05.

2013

  • Academic lecture
    Hansen, Alex. (2013) Constrained Crack Growth: Scaling and Dynamics. ICF13 . Chinese Society of Theoretical and Applied Mechanics; Beijing. 2013-06-16 - 2013-06-21.
  • Academic lecture
    Hansen, Alex. (2013) Effective rheology of immiscible two-phase flow in porous media. Gjesteforelesning . Institut Francais de Petrole et des energies nouvelles; Rueil-Malmaison. 2013-12-12 - 2013-12-12.
  • Academic lecture
    Hansen, Alex. (2013) Newtonian and Non-Newtonial Flow in Fractures. Multidimensional Aspects of Statistical Physics . Saha Inistitute for Nuclear Physics; Kolkata. 2013-01-14 - 2013-01-17.
  • Academic lecture
    Hansen, Alex. (2013) The fiber bundle: modeling failure in materials. 5th Warsaw School of Statistical Physics . Universitetet i Warszawa; Kazimierz. 2013-06-22 - 2013-06-29.
  • Academic lecture
    Hansen, Alex. (2013) The fiber bundle: modeling failure in materials. Fracmeet 2013 . Institute for mathematical sciences; Chennai. 2013-01-21 - 2013-01-24.

2012

  • Academic lecture
    Hansen, Alex. (2012) From the Microscale to the Effective Toughness of Quasi-Brittle Materials: A Physicist’s Overview. Workshop on Effective resistance of heterogeneous materials . Universite de Pierre et Marie Curie; Paris. 2012-06-12.
  • Academic lecture
    Hansen, Alex. (2012) Steady-State Two-Phase Flow in Porous Media: An Almost Overlooked Problem. XXIII Sitges conference on statistical physics . Universidad de Barcelona; Sitges. 2012-06-04 - 2012-06-08.
  • Academic lecture
    Hansen, Alex. (2012) Steady-State Two-Phase Flow in Porous Media: An Almost Overlooked Problem. Instituttskollokvium . Max Plack Institut für Dynamik und Selbstorganisation; Göttingen. 2012-05-02.
  • Academic lecture
    Hansen, Alex. (2012) Steady-State Two-Phase Flow in Porous Media: Open Questions. 6th International Workshop on Nonequilibrium Thermodynamics . NTNU; Røros. 2012-08-19 - 2012-08-24.
  • Academic lecture
    Hansen, Alex. (2012) Steady-State Two-Phase Flow in Porous Media: Open Questions. Kongsbergseminaret . GPG, Universitetet i Oslo; Kongsberg. 2012-05-09 - 2012-05-11.
  • Poster
    Hope, Sigmund Mongstad; Bakke, Jan Øystein Haavig; Hansen, Alex. (2012) Fuse Model with Fluctuating Thresholds. Fracture and Flow in Porous Media . Institute of Mathematical Sciences; Chennai. 2012-01-11 - 2012-01-14.

2011

  • Academic lecture
    Hansen, Alex. (2011) Flow in Fractures: Optimal Paths and Length Scales. CCP2012 . Oak ridge National Laboratory; Gatlinburg, Tennessee. 2011-10-30 - 2011-11-03.
  • Academic lecture
    Hansen, Alex. (2011) Fractures and Fracture Networks: Structure and Transport. Complexity in Oil Industry . International Institute for Condensed Matter Physics; Natal. 2011-11-14 - 2011-11-18.
  • Academic lecture
    Hansen, Alex. (2011) Steady-State Two-Phase Flow in Porous Media: A Missed Problem. Perspectives and Challenges in Statistical Physics and Complex Systems for the Next Decade . Universidade de Rio Grande do Norte; Natal. 2011-11-09 - 2011-11-11.
  • Academic lecture
    Hansen, Alex. (2011) Steady-State Two-Phase Flow inPorous Media: Open Questions. 24th Smoluchowski Symposium . University of Krakow; Zakopane. 2011-09-17 - 2011-09-22.
  • Academic lecture
    Hansen, Alex. (2011) Thermodynamics of steady state flow in porous media. CMDS12 . Saha Institute of Nuclear Science; Kolkata. 2011-02-21 - 2011-02-25.
  • Academic lecture
    Hansen, Alex; Grøva, Morten. (2011) Effective Permeability Scaling in Immiscible Two-Phase Flow in Porous Media. SigmaPhi . Universitetet i Kypros; Larnaca. 2011-07-11 - 2011-07-15.
  • Academic lecture
    Hansen, Alex; Grøva, Morten. (2011) Effective Permeability Scaling in ImmiscibleTwo-Phase Flow in Porous Media. Fysikermøtet . Universitetet i Oslo; Oslo. 2011-06-20 - 2011-06-22.
  • Poster
    Hope, Sigmund Mongstad; Moreira, André Auto; Andrade, Jose Soares; Hansen, Alex. (2011) Reservoir Mapping by Global Correlation Analysis. The 9th Euroconference on Rock Physics and Geomechanics ; Trondheim. 2011-10-17 - 2011-10-21.

2010

  • Academic lecture
    Tørå, Glenn; Hansen, Alex; Øren, Pål-Eric. (2010) Dynamic network modeling of resistivity index in a steady-state procedure. SPE Annual Technical Conference and Exhibition . Society of Petroleum Engineers; Florence. 2010-09-19 - 2010-09-22.

2008

  • Academic lecture
    Hansen, Alex. (2008) New Instabilities in Porous Media Flow. 10th Granada Seminar on Computational and Statistical Physics . Universitetet i Granada; Granada. 2008-09-15 - 2008-09-19.
  • Academic lecture
    Hansen, Alex. (2008) Revisiting Stress-Weighted Percolation in the Damage Zone. Physical Aspects of Fracture: Scaling and Size Effects . ETH Zürich; Locarno. 2008-04-09 - 2008-04-14.
  • Academic lecture
    Hansen, Alex. (2008) Statistical Physics of Steady-State Two-Phase Flow in Porous Media. Sigma-Phi International Conference on Statistical Physics . Politecnico di Torino; Kreta. 2008-07-14 - 2008-07-18.
  • Academic lecture
    Hansen, Alex. (2008) Statistical Physicsss of Steady-State Two-Phase Flow in Porous Media. CCP2008 Conference on Computational Physics . Universidade de Belo Horizonte; Ouro Preto. 2008-08-05 - 2008-08-09.
  • Academic lecture
    Hansen, Alex. (2008) Two Phase Flow in Porous Media: Solving theEquation Fundamental Physics + Big Computers= More Oil. PARA2008 9th International Workshop on state-of-the-art in scientific and parallel computing . NTNU; Trondheim. 2008-05-13 - 2008-07-16.
  • Academic lecture
    Hansen, Alex; Ramstad, Thomas. (2008) The Cross-Flow Instability in Porous Media. Statistical Physics Approaches to Multi-Disiplinary Problems . Indian Institute of Technology Guwahati; Guwahati. 2008-01-07 - 2008-01-13.

2007

  • Academic lecture
    Ramstad, Thomas; Hansen, Alex. (2007) Steady-state structure formation of two-phase flow in porous media. 2007 APS March Meeting . American Physical Society; Denver, Colorado. 2007-03-05 - 2007-03-09.
  • Academic lecture
    Ramstad, Thomas; Hansen, Alex. (2007) The droplet distribution in steady-state two-phase flow in porous media. Complexity in the Oil Industry 2007 . Imperial College; Natal. 2007-08-05 - 2007-08-09.
  • Academic lecture
    Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2007) Effects of buckling on crack propagation in paper - A stochastic modelling experiment. 61st Appita Annual Conference and Exhibition, Proceedings vol 2: 2007 International Paper Physics Conference Papers . Australian Pulp and Paper Institute; Gold Coast. 2007-05-06 - 2007-05-10.

2006

  • Academic lecture
    Måløy, Knut Jørgen; Auradou, Harold; Schmittbuhl, Jean; Hansen, Alex; Aker, Eyvind; Frette, Inge. (2006) Drainage in 2D porous medium with and without long range correlations. Cargese summer school . CNRS; Cargese Corsica. 2006-07-25 - 2006-08-06.
  • Poster
    Ramstad, Thomas; Hansen, Alex. (2006) Steady-state cluster formation in porous media. Gordon Research Conferences, Flow and Transport in Permeable Media . Gordon Research Conferences; New Hampshire. 2006-07-30 - 2006-08-04.
  • Poster
    Bakke, Jan Øystein Haavig; Hansen, Alex; Kertész, János. (2006) Failures and avalanches in complex networks. Annual Meeting of The Condensed Matter Physics with Atomic Physics Division of the Norwegian Physical Society . Norsk fysisk selskap; Wadahl. 2006-09-13 - 2006-09-15.

2005

  • Academic lecture
    Bakke, Jan Øystein Haavig; Ramstad, Thomas; Hansen, Alex. (2005) Fracture roughness for the two-dimensional central force model. 11th International Conference on Fracture . International Congress on Fracture; Torino. 2005-03-20 - 2005-03-25.
  • Academic lecture
    Ramstad, Thomas; Bakke, Jan Øistein Haavig; Hansen, Alex. (2005) Scaling properties of the three dimensional fuse model as a model for brittle fracture. 11th International Conference on Fracture . International Congress on Fracture; Torino. 2005-03-20 - 2005-03-25.

2004

  • Poster
    Skjetne, Bjørn; Hansen, Alex; Helle, Torbjørn. (2004) Lattice Simulations of Crack-Lines in Paper. The 2004 Progress in Paper Physics Seminar . Paper Physics Committee, NTNU; NTNU and PFI. 2004-06-21 - 2004-06-24.

2003

  • Poster
    Ramstad, Thomas; Stranden, Torunn; Bakke, Jan Øistein Haavig; Bjelland, Johannes; Hansen, Alex. (2003) Universality of fracture roughness exponent in different fuse models. EGS-AGU-EUG Joint Assembly . EGS, AGU, EUG; Nice. 2003-04-11.
  • Academic lecture
    Skjetne, Bjørn; Hansen, Alex; Helle, Torbjørn. (2003) Paper modeled as a disordered system that buckles during fracture. 2003 International Paper Physics Conference . [Mangler data]; Victoria, British Columbia, Canada. 2003-09-11.

2001

  • Poster
    Bakk, Audun; Høye, Johan Skule; Hansen, Alex. (2001) Hydration upon protein unfolding. Fysikermøtet 2001 . [Mangler data]; NTNU. 2001-06-16.
  • Academic lecture
    Batrouni, G. George; Hansen, Alex; Schmittbuhl, Jean. (2001) Self-Affine Properties of In-Plane Crack Propagation. XXVI General Assembly of European Geophysical Society . [Mangler data]; Nice, 25-30 mars, 2001.
  • Academic lecture
    Hansen, Alex. (2001) A Top-Down Approach to Proteins. [Mangler data] . [Mangler data]; Universite de Rennes 1, Rennes, Frankrike, 9. januar, 2001.
  • Academic lecture
    Hansen, Alex. (2001) Computational Studies of Multiphase Flow in Porous Media. School on Computational Physics . [Mangler data]; ICCMP, Universidade de Brasilia, Brasil. 2001-08-24.
  • Academic lecture
    Hansen, Alex. (2001) Evolution, Revolution, Avalanches. Ormen Lange: Slide Mechanics and Slide Dynamics . [Mangler data]; Trondheim, June 7, 2001.
  • Academic lecture
    Hansen, Alex. (2001) Mechanics of Rough Surfaces. NATO ASI: Complexity from Microscopic to Macroscopic Scales: Coherence and Large Deviations . [Mangler data]; Geilo, April 17-27, 2001.
  • Academic lecture
    Hansen, Alex. (2001) Some numerical results on the roughness of constrained cracks. International Fracture Conference 10 . [Mangler data]; Honolulu, Hawaii, USA. 2001-12-06.
  • Academic lecture
    Hansen, Alex. (2001) The Gas-Grain Coupling in Granular Flow. Granular Flow in Earth Sciences . [Mangler data]; Sem Gjestegård, Asker. 2001-11-16.
  • Academic lecture
    Hansen, Alex. (2001) Thermodynamics of proteins: Fast folders vs. tight transitions. CCP2001 - Conference on Computational Physics . [Mangler data]; Aachen, Tyskland. 2001-09-08.
  • Poster
    Kjølaas, Jørn; Schutjens, Peter M T M; Holt, Rune Martin; Hansen, Alex. (2001) The effect of cement on deformation: Experiments on synthetic rocks and modeling. EGS XXVI General Assembly . [Mangler data]; Nice. 2001-03-30.
  • Academic lecture
    Schmittbuhl, Jean; Hansen, Alex; Batrouni, G. George. (2001) Elastic Response of Rough Surfaces in Normal Contact. XXVI General Assembly of European Geophysical Society . [Mangler data]; Nice, 25-30 mars, 2001.

2000

  • Academic lecture
    Hansen, Alex. (2000) Motion along a rough inclined plane. NATO Advanced Study Institute on Dynamics: Models and Kinetic Methods for Non-Equillibrium Many Body Systems . [Mangler data]; Leiden, Nederland, 27 juli - 7 august, 1998.
  • Academic lecture
    Hansen, Alex. (2000) Physics of Hot and Cold Protein Folding. [Mangler data] . [Mangler data]; Norsk Biokjemisk Selskap, Trondheim, 30. oktober, 2000.
  • Academic lecture
    Hansen, Alex. (2000) Proteins Top-Down. [Mangler data] . [Mangler data]; Institut Non-Lineaire de Nice, 12. desember, 2000.
  • Academic lecture
    Hansen, Alex. (2000)