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  1. Employees

Språkvelger

Norsk

Nils Reidar Bøe Olsen

Nils Reidar Bøe Olsen

Professor
Department of Civil and Environmental Engineering

nils.r.olsen@ntnu.no
Vassbygget, Valgrinda, S. P. Andersens veg 5
Link to main web pages for Nils R. Olsen
About Publications Teaching Media

About

Lecturing

  • TVM 4155 Hydroinformatics
  • TVM 4116 Fluid Mechanics, Basic Course

Research

  • Computational Fluid Dynamics in Hydraulic Engineering
  • Tredimensjonal numerisk modellering av prosesser i reservoarer og innsjøer (prosjekt avsluttet 1999) 

Background

Siv. Ing. (MSc), The Norwegian Institute of Technology, 1987.
Dr.ing., The Norwegian Institute of Technology, 1991.

Publications

  • Research results in Cristin
  • Publications listed in Bibsys

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2022

  • Olsen, Nils Reidar Bøe. (2022) Explaining the formation of sedimentary structures under antidunes using a 2D width-averaged numerical model. Norwegian Journal of Geology. volum 102.
    Academic article

2021

  • Olsen, Nils Reidar Bøe. (2021) 3D numerical modelling of braided channel formation. Geomorphology. volum 375 (107528).
    Academic article

2020

  • Aberle, Jochen; Henry, Pierre-Yves T; Kleischmann, Fabian; Navaratnam, Christy Ushanth; Vold, Mari; Eikenberg, Ralph; Olsen, Nils Reidar Bøe. (2020) Experimental and Numerical Determination of the Head Loss of a Pressure Driven Flow through an Unlined Rock-Blasted Tunnel. Water. volum 12 (12).
    Academic article
  • Nunez-Gonzalez, Francisco; Martin-Vide, Juan Pedro; Olsen, Nils Reidar Bøe. (2020) A specific energy diagram for antidunes. River Flow 2020 Proceedings of the 10th International Conference on Fluvial Hydraulics (Delft, Netherlands, 7-10 July 2020).
    Academic chapter/article/Conference paper
  • Olsen, Nils Reidar Bøe. (2020) Numerical modelling of sediment deposition in Lake Mills, USA. River Flow 2020 Proceedings of the 10th International Conference on Fluvial Hydraulics (Delft, Netherlands, 7-10 July 2020).
    Academic chapter/article/Conference paper
  • Olsen, Nils Reidar Bøe; Haun, Stefan. (2020) A numerical geotechnical model for computing soil slides at banks of water reservoirs. International Journal of Geo-Engineering. volum 11 (22).
    Academic article

2019

  • Almeland, Silje Kreken; Olsen, Nils Reidar Bøe; Bråveit, Kari; Aryal, Pravin R.. (2019) Multiple solutions of the Navier-Stokes equations computing water flow in sand traps. Engineering Applications of Computational Fluid Mechanics. volum 13 (1).
    Academic article

2018

  • Olsen, Nils Reidar Bøe; Haun, Stefan. (2018) Numerical modelling of bank failures during reservoir draw-down. E3S Web of Conferences. volum 40.
    Academic article
  • Olsen, Nils Reidar Bøe; Hillebrand, Gudrun. (2018) Long-time 3D CFD modelling of sedimentation with dredging in a hydropower reservoir. Journal of Soils and Sediments. volum 18 (9).
    Academic article

2017

  • Hillebrand, Gudrun; Klassen, Irina; Olsen, Nils Reidar Bøe. (2017) 3D CFD modelling of velocities and sediment transport in the Iffezheim hydropower reservoir. Hydrology Research. volum 48 (1).
    Academic article
  • Olsen, Nils Reidar Bøe. (2017) Numerical modelling of antidune formation and propagation. River Sedimentation: Proceedings of the 13th International Symposium on River Sedimentation.
    Academic chapter/article/Conference paper
  • Olsen, Nils Reidar Bøe. (2017) Numerical modelling of downstream-migrating antidunes. Earth Surface Processes and Landforms. volum 42.
    Academic article

2015

  • Baranya, S; Olsen, Nils Reidar Bøe; Jozsa, J. (2015) Flow Analysis of a River Confluence with Field Measurements and Rans Model with Nested Grid Approach. Rivers Research and Applications: an international journal devoted to river research and management. volum 31 (1).
    Academic article
  • Bråtveit, Kari; Olsen, Nils Reidar Bøe. (2015) Calibration of Horizontal Acoustic Doppler Current Profiler by three dimensional CFD simulations. Engineering Applications of Computational Fluid Mechanics. volum 9 (1).
    Academic article
  • Olsen, Nils Reidar Bøe. (2015) Four free surface algorithms for the 3D Navier-Stokes equations. Journal of Hydroinformatics. volum 17 (6).
    Academic article

2014

  • Baranya, S; Olsen, Nils Reidar Bøe; Stoesser, T; Sturm, TW. (2014) A nested grid based computational fluid dynamics model to predict bridge pier scour. Proceedings of the Institution of Civil Engineers : Water Management. volum 167 (5).
    Academic article
  • Harb, Gabriele; Haun, Stefan; Schneider, Josef; Olsen, Nils Reidar Bøe. (2014) Numerical analysis of synthetic granulate deposition in a physical model study. International Journal of Sediment Research. volum 29 (1).
    Academic article

2013

  • Bomminayuni, S; Stoesser, T; Olsen, Nils Reidar Bøe. (2013) Evaluation of Low Reynolds Number Turbulence Models for an Open-Channel Flow over a Rough Bed Using LES Data. Journal of Hydraulic Engineering. volum 139 (6).
    Academic article
  • Bråtveit, Kari; Olsen, Nils Reidar Bøe; Brevik, Oddmund. (2013) Three Dimensional Numerical Study of an Unlined Pressurized Rock-Blasted Sand Trap. Proceedings of the 35th IAHR World Congress.
    Academic chapter/article/Conference paper
  • Eilertsen, Raymond; Olsen, Nils Reidar Bøe; Ruther, Nils; Zinke, Peggy. (2013) Channel-bed changes in distributaries of the lake Oyeren delta, southern Norway, revealed by interferometric sidescan sonar. Norsk Geologisk Tidsskrift. volum 93 (1).
    Academic article
  • Haun, Stefan; Kjærås, Halvor; Løvfall, Sigurd; Olsen, Nils Reidar Bøe. (2013) Three-dimensional measurements and numerical modelling of suspended sediments in a hydropower reservoir. Journal of Hydrology. volum 479.
    Academic article
  • Haun, Stefan; Lizano, Laura; Olsen, Nils Reidar Bøe. (2013) Measuring suspended sediment concentrations in a reservoir based on laser diffraction. Proceedings of the 35th IAHR World Congress.
    Academic chapter/article/Conference paper
  • Olsen, Nils Reidar Bøe. (2013) Numerical Algorithms for Predicting Sediment Slides in Water Reservoirs. Electronic Journal of Geotechnical Engineering. volum 18 (Y).
    Academic article

2012

  • Baranya, S; Olsen, Nils Reidar Bøe; Stoesser, T; Sturm, T. (2012) THREE-DIMENSIONAL RANS MODELING OF FLOW AROUND CIRCULAR PIERS USING NESTED GRIDS. Engineering Applications of Computational Fluid Mechanics. volum 6 (4).
    Academic article
  • Bråtveit, Kari; Lia, Leif; Olsen, Nils Reidar Bøe. (2012) An Efficient Method to Describe the Geometry and the Roughness of an Existing Unlined Hydro Power Tunnel. Energy Procedia. volum 20.
    Academic article
  • Feurich, Robert; Boubee, J; Olsen, Nils Reidar Bøe. (2012) Improvement of fish passage in culverts using CFD. Ecological Engineering: The Journal of Ecotechnology. volum 47.
    Academic article
  • Feurich, Robert; Olsen, Nils Reidar Bøe. (2012) FINDING FREE SURFACE OF SUPERCRITICAL FLOWS - NUMERICAL INVESTIGATION. Engineering Applications of Computational Fluid Mechanics. volum 6 (2).
    Academic article
  • Haun, Stefan; Dorfmann, Clemens; Harb, Gabriele; Olsen, Nils Reidar Bøe. (2012) 3D Numerical Modelling of the Reservoir Flushing of the Bodendorf Reservoir, Austria. 2012. ISBN 978-3-943683-03-5.
    Academic anthology/Conference proceedings
  • Haun, Stefan; Olsen, Nils Reidar Bøe. (2012) 3D numerische Modellierung einer Stauraumverlandung. 2012. ISBN 978-3-85125-230-9.
    Academic anthology/Conference proceedings
  • Haun, Stefan; Olsen, Nils Reidar Bøe. (2012) Numerical simulation of sediment deposition in a hydropower reservoir. 2012.
    Report
  • Haun, Stefan; Olsen, Nils Reidar Bøe. (2012) Three-dimensional numerical modelling of reservoir flushing in a prototype scale. International Journal of River Basin Management. volum 10 (4).
    Academic article
  • Haun, Stefan; Olsen, Nils Reidar Bøe. (2012) Three-dimensional numerical modelling of the flushing process of the Kali Gandaki Hydropower Reservoir. Lakes & Reservoirs: Research and Management. volum 17 (1).
    Academic article
  • Haun, Stefan; Olsen, Nils Reidar Bøe; Rodríguez Meza, Carlos Roberto; Lizano, Laura. (2012) 3D numerical simulation of the flushing process in the Angostura Reservoir. River Flow 2012.
    Academic chapter/article/Conference paper
  • Roberts, Marc; Ruther, Nils; Vollmer, Stefan; Olsen, Nils Reidar Bøe. (2012) 3D MODELLING OF CHANGES IN SEDIMENT TRANSPORT, BED COMPOSITION AND POROSITY DURING A FLOOD EVENT AT THE RIVER ELBE. 2012. ISBN 978-3-941492-45-5.
    Academic anthology/Conference proceedings

2011

  • Bihs, Hans; Olsen, Nils Reidar Bøe. (2011) Numerical Modeling of Abutment Scour with the Focus on the Incipient Motion on Sloping Beds. Journal of Hydraulic Engineering. volum 137 (10).
    Academic article
  • Feurich, Robert; Boubee, J; Olsen, Nils Reidar Bøe. (2011) Spoiler Baffles in Circular Culverts. Journal of environmental engineering. volum 137 (9).
    Academic article
  • Feurich, Robert; Olsen, Nils Reidar Bøe. (2011) Three-Dimensional Modeling of Nonuniform Sediment Transport in an S-Shaped Channel. Journal of Hydraulic Engineering. volum 137 (4).
    Academic article
  • Haun, Stefan; Olsen, Nils Reidar Bøe; Feurich, Robert. (2011) NUMERICAL MODELING OF FLOW OVER TRAPEZOIDAL BROAD-CRESTED WEIR. Engineering Applications of Computational Fluid Mechanics. volum 5 (3).
    Academic article
  • Zinke, Peggy; Olsen, Nils Reidar Bøe; Bogen, J. (2011) Three-dimensional numerical modelling of levee depositions in a Scandinavian freshwater delta. Geomorphology. volum 129 (3-4).
    Academic article

2010

  • Fischer-Antze, Tim; Rüther, Nils; Olsen, Nils Reidar Bøe; Gutknecht, D. (2010) Discussion on: Three-dimensional (3D) modeling of non-uniform sediment transport in a channel bend with unsteady flow. Journal of Hydraulic Research. volum 48 (6).
    Short communication
  • Gisler, Galen Ross; Celledoni, Elena; Helgaker, Trygve; Iversen, Trond; Jakobsen, Kjetill Sigurd; Jones, Colin N.; Lipniacka, Anna; Lundervold, Arvid; Olsen, Nils Reidar Bøe; De Smedt, Koenraad; Koster, Jacko; Høst, Gudmund. (2010) The scientific case for eInfrastructure in Norway. 2010. ISBN 978-82-12-02831-9.
    Report
  • Jacobsen, Jens; Olsen, Nils Reidar Bøe. (2010) Numerical modelling of the capacity for a complex spillway. Proceedings of the Institution of Civil Engineers : Water Management. volum 163 (6).
    Academic article
  • Rüther, Nils; Jacobsen, Jens; Olsen, Nils Reidar Bøe; Vatne, Geir. (2010) Prediction of the three-dimensional flow field and bed shear stresses in a regulated river in mid-Norway. Hydrology Research. volum 41 (2).
    Academic article
  • Stoesser, T; Rüther, Nils; Olsen, Nils Reidar Bøe. (2010) Calculation of primary and secondary flow and boundary shear stresses in a meandering channel. Advances in Water Resources. volum 33 (2).
    Academic article
  • Zinke, Peggy; Olsen, Nils Reidar Bøe; Bogen, Jim; Rüther, Nils. (2010) 3D modelling of the flow distribution in the delta of Lake Oyeren, Norway. Hydrology Research. volum 41 (2).
    Academic article

2009

  • Bihs, Hans Sebastian; Olsen, Nils Reidar Bøe. (2009) Three Dimensional Numerical Modeling of Complex Free Surface Flow over a Backward Facing Step. MekIT'09 : Fifth National Conference on Computational Mechanics, Trondheim 26-27 May 2009.
    Academic chapter/article/Conference paper
  • Fischer-Antze, Tim; Rüther, Nils; Olsen, Nils Reidar Bøe; Gutknecht, D. (2009) Three-dimensional (3D) modeling of non-uniform sediment transport in a channel bend with unsteady flow. Journal of Hydraulic Research. volum 47 (5).
    Academic article
  • Zinke, Peggy; Olsen, Nils Reidar Bøe. (2009) Numerical Modeling of Water and Sediment Flow in a Delta with Natural Vegetation. 33nd IAHR Congress - Water Engineering for a Sustainable Environment.
    Academic chapter/article/Conference paper

2008

  • Fischer-Antze, Tim; Olsen, Nils Reidar Bøe; Gutknecht, D. (2008) Three-dimensional CFD modeling of morphological bed changes in the Danube River. Water Resources Research. volum 44.
    Academic article

2007

  • Bihs, Hans Sebastian; Olsen, Nils Reidar Bøe. (2007) THREE-DIMENSIONAL NUMERICAL MODELING OF CONTRACTION SCOUR. Proceedings of the 32nd Congress of the International Association of Hydraulic Engineering and Research.
    Academic chapter/article/Conference paper
  • Killingtveit, Ånund; Olsen, Nils Reidar Bøe. (2007) Strategier og teknologier for vannkraft og energiproduksjon. Kompendium TVM4101 Vann- og miljøteknikk.
    Academic chapter/article/Conference paper
  • Rüther, Nils; Olsen, Nils Reidar Bøe. (2007) Modelling free-forming meander evolution in a laboratory channel using three-dimensional computational fluid dynamics. Geomorphology.
    Academic article
  • Wilson, CAME; Guymer, I; Boxall, J; Olsen, Nils Reidar Bøe. (2007) Three-dimensional numerical simulation of solute transport in a meandering self-formed river channel. Journal of Hydraulic Research. volum 45 (5).
    Academic article
  • Zinke, Peggy; Olsen, Nils Reidar Bøe. (2007) MODELING OF SEDIMENT DEPOSITION IN A PARTLY VEGETATED CHANNEL. Proceedings of the 32nd Congress of the International Association of Hydraulic Engineering and Research.
    Academic chapter/article/Conference paper

2006

  • Rüther, Nils; Olsen, Nils Reidar Bøe. (2006) 3D modeling of transient bed deformation in a sine-generated laboratory channel with two different width to depth ratios. River Flow 2006.
    Academic chapter/article/Conference paper
  • Rüther, Nils; Olsen, Nils Reidar Bøe. (2006) Towards the prediction of free-forming meander formation using 3D computational fluid dynamic. Flow simulation in Hydraulic Engineering.
    Academic chapter/article/Conference paper
  • Stoesser, Thorsten; Rodi, Wolfgang; Olsen, Nils Reidar Bøe. (2006) Large Eddy and RANS flow simulation above dunes. Flow simulation in Hydraulic Engineering.
    Academic chapter/article/Conference paper
  • Viscardi, J M; Pujol, A; Weitbrecht, V; Jirka, G H; Olsen, Nils Reidar Bøe. (2006) Numerical Simulations on the Paraná de las Palmas River. River Flow 2006.
    Academic chapter/article/Conference paper
  • Wilson, CAME; Yagci, O; Rauch, HP; Olsen, Nils Reidar Bøe. (2006) 3D numerical modelling of a willow vegetated river/floodplain system. Journal of Hydrology. volum 327.
    Academic article

2005

  • Ruther, Nils; Olsen, Nils Reidar Bøe. (2005) Three dimensional modeling of sediment transport in a narrow 90° channel bend. Journal of Hydraulic Engineering.
    Academic article
  • Ruther, Nils; Olsen, Nils Reidar Bøe. (2005) Three-dimensional modelling of sediment transport at water intakes. Proceedings of the Institution of Civil Engineers : Water and maritime engineering.
    Academic article
  • Ruether, Nils; Singh, JM; Olsen, Nils Reidar Bøe; Atkinson, E. (2005) 3-D computation of sediment transport at water intakes. Proceedings of the Institution of Civil Engineers : Water Management. volum 158.
    Academic article

2004

  • Olsen, Nils Reidar Bøe. (2004) Closure to "Three-dimensional CFD modeling of self-forming meandering channel". Journal of Hydraulic Engineering. volum 130 (8).
    Academic article
  • Olsen, Nils Reidar Bøe; Hedger, Richard D; George, D Glen; Malthus, Timothy J; Atkinson, P M. (2004) Modelling spatial distributions of Ceratium hirundnella and Microcystis spp. in a small productive British lake. Hydrobiologia.
    Academic article

2003

  • Olsen, Nils Reidar Bøe. (2003) 3D CFD Modeling of a Self-Forming Meandering Channel. Journal of Hydraulic Engineering.
    Academic article
  • Wilson, Catherine; Olsen, Nils Reidar Bøe. (2003) Application and Validation of Numerical Codes in the Prediction of Compound Channel Flows. Proceedings of ICE, Water, Maritime and Energy.
    Academic article
  • Wilson, Catherine; Olsen, Nils Reidar Bøe. (2003) Validation of a 3D numerical code in the simulation of pseudo-natural meandering flows. Journal of Hydraulic Engineering.
    Academic article

2002

  • Hedger, Richard D; Olsen, Nils Reidar Bøe; Malthus, Timothy J; Atkinson, P M. (2002) Coupling remote sensing with computational fluid dynamics modelling to estimate lake chlorophyll-a concentration. Remote Sensing of Environment.
    Academic article

2001

  • Olsen, Nils Reidar Bøe; Fischer-Antze, Tim; Bates, P; Stösser, Thorsten. (2001) 3D numerical modelling of open-channel flow with submerged vegetation. Journal of Hydraulic Research.
    Academic article

2000

  • Olsen, Nils Reidar Bøe; Hedger, Richard D.; George, D. Glen. (2000) 3D Numerical Modeling of Microcystis Distribution in a Water Reservoir. Journal of environmental engineering. volum 126 (10).
    Academic article
  • Olsen, Nils Reidar Bøe; Lysne, Dagfinn. (2000) Numerical modelling of circulation in Lake Sperillen, Norway. Nordic Hydrology. volum 31 (1).
    Academic article

1999

  • Olsen, Nils Reidar Bøe. (1999) Two-dimensional numerical modelling of flushing processes in water reservoirs. Journal of Hydraulic Research. volum 37 (1).
    Academic article
  • Olsen, Nils Reidar Bøe; Jimenez, Oscar F.; Abrahamsen, Lars; Løvoll, Aslak. (1999) 3D CFD modelling of water and sediment flow in a hydropower reservoir. International Journal of Sediment Research. volum 14 (1).
    Academic article
  • Olsen, Nils Reidar Bøe; Kjellesvig, Hilde Marie. (1999) Three-dimensional numerical modelling of bed changes in a sand trap. Journal of Hydraulic Research. volum 37 (2).
    Academic article

1998

  • Olsen, Nils Reidar Bøe; Kjellesvig, Hilde Marie. (1998) Three-dimensional numerical flow modeling for estimation of maximum local scour depth. Journal of Hydraulic Research. volum 36 (4).
    Academic article
  • Olsen, Nils Reidar Bøe; Kjellesvig, Hilde Marie. (1998) Three-dimensional numerical flow modelling for estimation of spillway capacity. Journal of Hydraulic Research. volum 36 (5).
    Academic article

1993

  • Olsen, Nils Reidar Bøe; Melaaen, Morten C.. (1993) Numerisk simulering av strømning rundt en sylinder med K-e og RNG turbulensmodeller. Delrapport 1. 1993. ISBN 82-595-8127-2. SINTEF Rapport.
    Non-fiction book

Journal publications

  • Olsen, Nils Reidar Bøe. (2022) Explaining the formation of sedimentary structures under antidunes using a 2D width-averaged numerical model. Norwegian Journal of Geology. volum 102.
    Academic article
  • Olsen, Nils Reidar Bøe. (2021) 3D numerical modelling of braided channel formation. Geomorphology. volum 375 (107528).
    Academic article
  • Aberle, Jochen; Henry, Pierre-Yves T; Kleischmann, Fabian; Navaratnam, Christy Ushanth; Vold, Mari; Eikenberg, Ralph; Olsen, Nils Reidar Bøe. (2020) Experimental and Numerical Determination of the Head Loss of a Pressure Driven Flow through an Unlined Rock-Blasted Tunnel. Water. volum 12 (12).
    Academic article
  • Olsen, Nils Reidar Bøe; Haun, Stefan. (2020) A numerical geotechnical model for computing soil slides at banks of water reservoirs. International Journal of Geo-Engineering. volum 11 (22).
    Academic article
  • Almeland, Silje Kreken; Olsen, Nils Reidar Bøe; Bråveit, Kari; Aryal, Pravin R.. (2019) Multiple solutions of the Navier-Stokes equations computing water flow in sand traps. Engineering Applications of Computational Fluid Mechanics. volum 13 (1).
    Academic article
  • Olsen, Nils Reidar Bøe; Haun, Stefan. (2018) Numerical modelling of bank failures during reservoir draw-down. E3S Web of Conferences. volum 40.
    Academic article
  • Olsen, Nils Reidar Bøe; Hillebrand, Gudrun. (2018) Long-time 3D CFD modelling of sedimentation with dredging in a hydropower reservoir. Journal of Soils and Sediments. volum 18 (9).
    Academic article
  • Hillebrand, Gudrun; Klassen, Irina; Olsen, Nils Reidar Bøe. (2017) 3D CFD modelling of velocities and sediment transport in the Iffezheim hydropower reservoir. Hydrology Research. volum 48 (1).
    Academic article
  • Olsen, Nils Reidar Bøe. (2017) Numerical modelling of downstream-migrating antidunes. Earth Surface Processes and Landforms. volum 42.
    Academic article
  • Baranya, S; Olsen, Nils Reidar Bøe; Jozsa, J. (2015) Flow Analysis of a River Confluence with Field Measurements and Rans Model with Nested Grid Approach. Rivers Research and Applications: an international journal devoted to river research and management. volum 31 (1).
    Academic article
  • Bråtveit, Kari; Olsen, Nils Reidar Bøe. (2015) Calibration of Horizontal Acoustic Doppler Current Profiler by three dimensional CFD simulations. Engineering Applications of Computational Fluid Mechanics. volum 9 (1).
    Academic article
  • Olsen, Nils Reidar Bøe. (2015) Four free surface algorithms for the 3D Navier-Stokes equations. Journal of Hydroinformatics. volum 17 (6).
    Academic article
  • Baranya, S; Olsen, Nils Reidar Bøe; Stoesser, T; Sturm, TW. (2014) A nested grid based computational fluid dynamics model to predict bridge pier scour. Proceedings of the Institution of Civil Engineers : Water Management. volum 167 (5).
    Academic article
  • Harb, Gabriele; Haun, Stefan; Schneider, Josef; Olsen, Nils Reidar Bøe. (2014) Numerical analysis of synthetic granulate deposition in a physical model study. International Journal of Sediment Research. volum 29 (1).
    Academic article
  • Bomminayuni, S; Stoesser, T; Olsen, Nils Reidar Bøe. (2013) Evaluation of Low Reynolds Number Turbulence Models for an Open-Channel Flow over a Rough Bed Using LES Data. Journal of Hydraulic Engineering. volum 139 (6).
    Academic article
  • Eilertsen, Raymond; Olsen, Nils Reidar Bøe; Ruther, Nils; Zinke, Peggy. (2013) Channel-bed changes in distributaries of the lake Oyeren delta, southern Norway, revealed by interferometric sidescan sonar. Norsk Geologisk Tidsskrift. volum 93 (1).
    Academic article
  • Haun, Stefan; Kjærås, Halvor; Løvfall, Sigurd; Olsen, Nils Reidar Bøe. (2013) Three-dimensional measurements and numerical modelling of suspended sediments in a hydropower reservoir. Journal of Hydrology. volum 479.
    Academic article
  • Olsen, Nils Reidar Bøe. (2013) Numerical Algorithms for Predicting Sediment Slides in Water Reservoirs. Electronic Journal of Geotechnical Engineering. volum 18 (Y).
    Academic article
  • Baranya, S; Olsen, Nils Reidar Bøe; Stoesser, T; Sturm, T. (2012) THREE-DIMENSIONAL RANS MODELING OF FLOW AROUND CIRCULAR PIERS USING NESTED GRIDS. Engineering Applications of Computational Fluid Mechanics. volum 6 (4).
    Academic article
  • Bråtveit, Kari; Lia, Leif; Olsen, Nils Reidar Bøe. (2012) An Efficient Method to Describe the Geometry and the Roughness of an Existing Unlined Hydro Power Tunnel. Energy Procedia. volum 20.
    Academic article
  • Feurich, Robert; Boubee, J; Olsen, Nils Reidar Bøe. (2012) Improvement of fish passage in culverts using CFD. Ecological Engineering: The Journal of Ecotechnology. volum 47.
    Academic article
  • Feurich, Robert; Olsen, Nils Reidar Bøe. (2012) FINDING FREE SURFACE OF SUPERCRITICAL FLOWS - NUMERICAL INVESTIGATION. Engineering Applications of Computational Fluid Mechanics. volum 6 (2).
    Academic article
  • Haun, Stefan; Olsen, Nils Reidar Bøe. (2012) Three-dimensional numerical modelling of reservoir flushing in a prototype scale. International Journal of River Basin Management. volum 10 (4).
    Academic article
  • Haun, Stefan; Olsen, Nils Reidar Bøe. (2012) Three-dimensional numerical modelling of the flushing process of the Kali Gandaki Hydropower Reservoir. Lakes & Reservoirs: Research and Management. volum 17 (1).
    Academic article
  • Bihs, Hans; Olsen, Nils Reidar Bøe. (2011) Numerical Modeling of Abutment Scour with the Focus on the Incipient Motion on Sloping Beds. Journal of Hydraulic Engineering. volum 137 (10).
    Academic article
  • Feurich, Robert; Boubee, J; Olsen, Nils Reidar Bøe. (2011) Spoiler Baffles in Circular Culverts. Journal of environmental engineering. volum 137 (9).
    Academic article
  • Feurich, Robert; Olsen, Nils Reidar Bøe. (2011) Three-Dimensional Modeling of Nonuniform Sediment Transport in an S-Shaped Channel. Journal of Hydraulic Engineering. volum 137 (4).
    Academic article
  • Haun, Stefan; Olsen, Nils Reidar Bøe; Feurich, Robert. (2011) NUMERICAL MODELING OF FLOW OVER TRAPEZOIDAL BROAD-CRESTED WEIR. Engineering Applications of Computational Fluid Mechanics. volum 5 (3).
    Academic article
  • Zinke, Peggy; Olsen, Nils Reidar Bøe; Bogen, J. (2011) Three-dimensional numerical modelling of levee depositions in a Scandinavian freshwater delta. Geomorphology. volum 129 (3-4).
    Academic article
  • Fischer-Antze, Tim; Rüther, Nils; Olsen, Nils Reidar Bøe; Gutknecht, D. (2010) Discussion on: Three-dimensional (3D) modeling of non-uniform sediment transport in a channel bend with unsteady flow. Journal of Hydraulic Research. volum 48 (6).
    Short communication
  • Jacobsen, Jens; Olsen, Nils Reidar Bøe. (2010) Numerical modelling of the capacity for a complex spillway. Proceedings of the Institution of Civil Engineers : Water Management. volum 163 (6).
    Academic article
  • Rüther, Nils; Jacobsen, Jens; Olsen, Nils Reidar Bøe; Vatne, Geir. (2010) Prediction of the three-dimensional flow field and bed shear stresses in a regulated river in mid-Norway. Hydrology Research. volum 41 (2).
    Academic article
  • Stoesser, T; Rüther, Nils; Olsen, Nils Reidar Bøe. (2010) Calculation of primary and secondary flow and boundary shear stresses in a meandering channel. Advances in Water Resources. volum 33 (2).
    Academic article
  • Zinke, Peggy; Olsen, Nils Reidar Bøe; Bogen, Jim; Rüther, Nils. (2010) 3D modelling of the flow distribution in the delta of Lake Oyeren, Norway. Hydrology Research. volum 41 (2).
    Academic article
  • Fischer-Antze, Tim; Rüther, Nils; Olsen, Nils Reidar Bøe; Gutknecht, D. (2009) Three-dimensional (3D) modeling of non-uniform sediment transport in a channel bend with unsteady flow. Journal of Hydraulic Research. volum 47 (5).
    Academic article
  • Fischer-Antze, Tim; Olsen, Nils Reidar Bøe; Gutknecht, D. (2008) Three-dimensional CFD modeling of morphological bed changes in the Danube River. Water Resources Research. volum 44.
    Academic article
  • Rüther, Nils; Olsen, Nils Reidar Bøe. (2007) Modelling free-forming meander evolution in a laboratory channel using three-dimensional computational fluid dynamics. Geomorphology.
    Academic article
  • Wilson, CAME; Guymer, I; Boxall, J; Olsen, Nils Reidar Bøe. (2007) Three-dimensional numerical simulation of solute transport in a meandering self-formed river channel. Journal of Hydraulic Research. volum 45 (5).
    Academic article
  • Wilson, CAME; Yagci, O; Rauch, HP; Olsen, Nils Reidar Bøe. (2006) 3D numerical modelling of a willow vegetated river/floodplain system. Journal of Hydrology. volum 327.
    Academic article
  • Ruther, Nils; Olsen, Nils Reidar Bøe. (2005) Three dimensional modeling of sediment transport in a narrow 90° channel bend. Journal of Hydraulic Engineering.
    Academic article
  • Ruther, Nils; Olsen, Nils Reidar Bøe. (2005) Three-dimensional modelling of sediment transport at water intakes. Proceedings of the Institution of Civil Engineers : Water and maritime engineering.
    Academic article
  • Ruether, Nils; Singh, JM; Olsen, Nils Reidar Bøe; Atkinson, E. (2005) 3-D computation of sediment transport at water intakes. Proceedings of the Institution of Civil Engineers : Water Management. volum 158.
    Academic article
  • Olsen, Nils Reidar Bøe. (2004) Closure to "Three-dimensional CFD modeling of self-forming meandering channel". Journal of Hydraulic Engineering. volum 130 (8).
    Academic article
  • Olsen, Nils Reidar Bøe; Hedger, Richard D; George, D Glen; Malthus, Timothy J; Atkinson, P M. (2004) Modelling spatial distributions of Ceratium hirundnella and Microcystis spp. in a small productive British lake. Hydrobiologia.
    Academic article
  • Olsen, Nils Reidar Bøe. (2003) 3D CFD Modeling of a Self-Forming Meandering Channel. Journal of Hydraulic Engineering.
    Academic article
  • Wilson, Catherine; Olsen, Nils Reidar Bøe. (2003) Application and Validation of Numerical Codes in the Prediction of Compound Channel Flows. Proceedings of ICE, Water, Maritime and Energy.
    Academic article
  • Wilson, Catherine; Olsen, Nils Reidar Bøe. (2003) Validation of a 3D numerical code in the simulation of pseudo-natural meandering flows. Journal of Hydraulic Engineering.
    Academic article
  • Hedger, Richard D; Olsen, Nils Reidar Bøe; Malthus, Timothy J; Atkinson, P M. (2002) Coupling remote sensing with computational fluid dynamics modelling to estimate lake chlorophyll-a concentration. Remote Sensing of Environment.
    Academic article
  • Olsen, Nils Reidar Bøe; Fischer-Antze, Tim; Bates, P; Stösser, Thorsten. (2001) 3D numerical modelling of open-channel flow with submerged vegetation. Journal of Hydraulic Research.
    Academic article
  • Olsen, Nils Reidar Bøe; Hedger, Richard D.; George, D. Glen. (2000) 3D Numerical Modeling of Microcystis Distribution in a Water Reservoir. Journal of environmental engineering. volum 126 (10).
    Academic article
  • Olsen, Nils Reidar Bøe; Lysne, Dagfinn. (2000) Numerical modelling of circulation in Lake Sperillen, Norway. Nordic Hydrology. volum 31 (1).
    Academic article
  • Olsen, Nils Reidar Bøe. (1999) Two-dimensional numerical modelling of flushing processes in water reservoirs. Journal of Hydraulic Research. volum 37 (1).
    Academic article
  • Olsen, Nils Reidar Bøe; Jimenez, Oscar F.; Abrahamsen, Lars; Løvoll, Aslak. (1999) 3D CFD modelling of water and sediment flow in a hydropower reservoir. International Journal of Sediment Research. volum 14 (1).
    Academic article
  • Olsen, Nils Reidar Bøe; Kjellesvig, Hilde Marie. (1999) Three-dimensional numerical modelling of bed changes in a sand trap. Journal of Hydraulic Research. volum 37 (2).
    Academic article
  • Olsen, Nils Reidar Bøe; Kjellesvig, Hilde Marie. (1998) Three-dimensional numerical flow modeling for estimation of maximum local scour depth. Journal of Hydraulic Research. volum 36 (4).
    Academic article
  • Olsen, Nils Reidar Bøe; Kjellesvig, Hilde Marie. (1998) Three-dimensional numerical flow modelling for estimation of spillway capacity. Journal of Hydraulic Research. volum 36 (5).
    Academic article

Books

  • Haun, Stefan; Dorfmann, Clemens; Harb, Gabriele; Olsen, Nils Reidar Bøe. (2012) 3D Numerical Modelling of the Reservoir Flushing of the Bodendorf Reservoir, Austria. 2012. ISBN 978-3-943683-03-5.
    Academic anthology/Conference proceedings
  • Haun, Stefan; Olsen, Nils Reidar Bøe. (2012) 3D numerische Modellierung einer Stauraumverlandung. 2012. ISBN 978-3-85125-230-9.
    Academic anthology/Conference proceedings
  • Roberts, Marc; Ruther, Nils; Vollmer, Stefan; Olsen, Nils Reidar Bøe. (2012) 3D MODELLING OF CHANGES IN SEDIMENT TRANSPORT, BED COMPOSITION AND POROSITY DURING A FLOOD EVENT AT THE RIVER ELBE. 2012. ISBN 978-3-941492-45-5.
    Academic anthology/Conference proceedings
  • Olsen, Nils Reidar Bøe; Melaaen, Morten C.. (1993) Numerisk simulering av strømning rundt en sylinder med K-e og RNG turbulensmodeller. Delrapport 1. 1993. ISBN 82-595-8127-2. SINTEF Rapport.
    Non-fiction book

Part of book/report

  • Nunez-Gonzalez, Francisco; Martin-Vide, Juan Pedro; Olsen, Nils Reidar Bøe. (2020) A specific energy diagram for antidunes. River Flow 2020 Proceedings of the 10th International Conference on Fluvial Hydraulics (Delft, Netherlands, 7-10 July 2020).
    Academic chapter/article/Conference paper
  • Olsen, Nils Reidar Bøe. (2020) Numerical modelling of sediment deposition in Lake Mills, USA. River Flow 2020 Proceedings of the 10th International Conference on Fluvial Hydraulics (Delft, Netherlands, 7-10 July 2020).
    Academic chapter/article/Conference paper
  • Olsen, Nils Reidar Bøe. (2017) Numerical modelling of antidune formation and propagation. River Sedimentation: Proceedings of the 13th International Symposium on River Sedimentation.
    Academic chapter/article/Conference paper
  • Bråtveit, Kari; Olsen, Nils Reidar Bøe; Brevik, Oddmund. (2013) Three Dimensional Numerical Study of an Unlined Pressurized Rock-Blasted Sand Trap. Proceedings of the 35th IAHR World Congress.
    Academic chapter/article/Conference paper
  • Haun, Stefan; Lizano, Laura; Olsen, Nils Reidar Bøe. (2013) Measuring suspended sediment concentrations in a reservoir based on laser diffraction. Proceedings of the 35th IAHR World Congress.
    Academic chapter/article/Conference paper
  • Haun, Stefan; Olsen, Nils Reidar Bøe; Rodríguez Meza, Carlos Roberto; Lizano, Laura. (2012) 3D numerical simulation of the flushing process in the Angostura Reservoir. River Flow 2012.
    Academic chapter/article/Conference paper
  • Bihs, Hans Sebastian; Olsen, Nils Reidar Bøe. (2009) Three Dimensional Numerical Modeling of Complex Free Surface Flow over a Backward Facing Step. MekIT'09 : Fifth National Conference on Computational Mechanics, Trondheim 26-27 May 2009.
    Academic chapter/article/Conference paper
  • Zinke, Peggy; Olsen, Nils Reidar Bøe. (2009) Numerical Modeling of Water and Sediment Flow in a Delta with Natural Vegetation. 33nd IAHR Congress - Water Engineering for a Sustainable Environment.
    Academic chapter/article/Conference paper
  • Bihs, Hans Sebastian; Olsen, Nils Reidar Bøe. (2007) THREE-DIMENSIONAL NUMERICAL MODELING OF CONTRACTION SCOUR. Proceedings of the 32nd Congress of the International Association of Hydraulic Engineering and Research.
    Academic chapter/article/Conference paper
  • Killingtveit, Ånund; Olsen, Nils Reidar Bøe. (2007) Strategier og teknologier for vannkraft og energiproduksjon. Kompendium TVM4101 Vann- og miljøteknikk.
    Academic chapter/article/Conference paper
  • Zinke, Peggy; Olsen, Nils Reidar Bøe. (2007) MODELING OF SEDIMENT DEPOSITION IN A PARTLY VEGETATED CHANNEL. Proceedings of the 32nd Congress of the International Association of Hydraulic Engineering and Research.
    Academic chapter/article/Conference paper
  • Rüther, Nils; Olsen, Nils Reidar Bøe. (2006) 3D modeling of transient bed deformation in a sine-generated laboratory channel with two different width to depth ratios. River Flow 2006.
    Academic chapter/article/Conference paper
  • Rüther, Nils; Olsen, Nils Reidar Bøe. (2006) Towards the prediction of free-forming meander formation using 3D computational fluid dynamic. Flow simulation in Hydraulic Engineering.
    Academic chapter/article/Conference paper
  • Stoesser, Thorsten; Rodi, Wolfgang; Olsen, Nils Reidar Bøe. (2006) Large Eddy and RANS flow simulation above dunes. Flow simulation in Hydraulic Engineering.
    Academic chapter/article/Conference paper
  • Viscardi, J M; Pujol, A; Weitbrecht, V; Jirka, G H; Olsen, Nils Reidar Bøe. (2006) Numerical Simulations on the Paraná de las Palmas River. River Flow 2006.
    Academic chapter/article/Conference paper

Report

  • Haun, Stefan; Olsen, Nils Reidar Bøe. (2012) Numerical simulation of sediment deposition in a hydropower reservoir. 2012.
    Report
  • Gisler, Galen Ross; Celledoni, Elena; Helgaker, Trygve; Iversen, Trond; Jakobsen, Kjetill Sigurd; Jones, Colin N.; Lipniacka, Anna; Lundervold, Arvid; Olsen, Nils Reidar Bøe; De Smedt, Koenraad; Koster, Jacko; Høst, Gudmund. (2010) The scientific case for eInfrastructure in Norway. 2010. ISBN 978-82-12-02831-9.
    Report

Teaching

Courses

  • VM8208 - Topics in Environmental Hydraulics and Hydrology
  • TVM4155 - Numerical Models and Hydraulics
  • TVM4116 - Fluid Mechanics

Media

2020

  • Academic lecture
    Navaratnam, Christy Ushanth; Fabian, Kleischmann; Aberle, Jochen; Olsen, Nils Reidar Bøe; Henry, Pierre-Yves T. (2020) Modellering av friksjonstap i Litjfossen tunnelen. PTK2020 . EnergiNorge; Trondheim. 2020-03-02 - 2020-03-04.

2016

  • Academic lecture
    Olsen, Nils Reidar Bøe. (2016) Numerical modelling of antidune formation and propagation. International Symposium on River Sedimentation ; Stuttgart. 2016-09-19 - 2016-09-22.

2013

  • Academic lecture
    Bråtveit, Kari; Olsen, Nils Reidar Bøe. (2013) Design of sand traps in hydro power system. Third Nordic Seminar on Hydropower and Sediment Transport . IVM, NTNU; Trondheim. 2013-05-29 - 2013-05-30.

2012

  • Academic lecture
    Bråtveit, Kari; Olsen, Nils Reidar Bøe. (2012) Roughness analysis of an existing unlined hydro power tunnel based on data from a terrestrial laser scanner. Hydraulic Measurements and Experimental Methods . ASCE; Snowbird, Utha. 2012-08-13 - 2012-08-16.
  • Academic lecture
    Haun, Stefan; Dorfmann, Clemens; Harb, Gabriele; Olsen, Nils Reidar Bøe. (2012) 3D Numerical Modelling of the Reservoir Flushing of the Bodendorf Reservoir, Austria. 2nd IAHR European Congress . Technische Universität München; Munich. 2012-06-27 - 2012-06-29.
  • Academic lecture
    Haun, Stefan; Olsen, Nils Reidar Bøe. (2012) 3D numerische Modellierung einer Stauraumverlandung. Wasserbausymposium 2012, Wasser - Energie, Global denken - lokal handeln . Graz University of Technology; Graz. 2012-09-12 - 2012-09-15.
  • Academic lecture
    Haun, Stefan; Olsen, Nils Reidar Bøe. (2012) Numerical simulation of sediment deposition in a hydropower reservoir. 18th IAHR Asia-Pacific Congress . Korea Water Resources Association; Jeju-Island. 2012-08-19 - 2012-08-23.
  • Academic lecture
    Haun, Stefan; Olsen, Nils Reidar Bøe; Rodríguez Meza, Carlos Roberto; Lizano, Laura. (2012) 3D numerical simulation of the flushing process in the Angostura Reservoir. 6th International Conference on Fluvial Hydraulics, River Flow 2012 . Colegio de Ingenieros Civiles de Costa Rica; San José. 2012-09-05 - 2012-09-07.
  • Academic lecture
    Roberts, Marc; Ruther, Nils; Vollmer, Stefan; Olsen, Nils Reidar Bøe. (2012) 3D MODELLING OF CHANGES IN SEDIMENT TRANSPORT, BED COMPOSITION AND POROSITY DURING A FLOOD EVENT AT THE RIVER ELBE. 10th International Conference on Hydroinformatics . TU Hamburg Harburg; Hamburg. 2012-07-14 - 2012-07-18.

2011

  • Academic lecture
    Haun, Stefan; Hoven, Lisa Emilie; Olsen, Nils Reidar Bøe; Rodríguez Meza, Carlos Roberto; Lizano, Laura. (2011) 3D numerical modelling of sediment deposition and flushing in the Angostura reservoir, Costa Rica. 34th IAHR World Congress . IAHR and Engineers of Australia; Brisbane. 2011-06-26 - 2011-07-01.
  • Academic lecture
    Haun, Stefan; Olsen, Nils Reidar Bøe. (2011) 3D numerische Modellierung einer Stauraumspülung - Vergleich physikalisches Modell und Natur. 13. Treffen junger WissenschaftlerInnen . Franzius-Institut für Wasserbau und Küsteningenieurwesen; Hannover. 2011-08-03 - 2011-08-05.

2010

  • Academic lecture
    Bihs, Hans; Olsen, Nils Reidar Bøe. (2010) Numerical Investigations of Local Scour around a Trapezoidal Abutment using the Finite Volume Method. First European Congress of the IAHR 2010 . IAHR; Edinburgh. 2010-05-04 - 2010-05-06.
  • Academic lecture
    Bihs, Hans; Stoesser, Thorsten; Olsen, Nils Reidar Bøe. (2010) Calculation of Secondary Flow in a Straight Open Channel with RANS and LES. 6th International Symposium on Environmental Hydraulics . IAHR; Athens. 2010-06-23 - 2010-06-25.
  • Academic lecture
    Olsen, Nils Reidar Bøe; Haun, Stefan. (2010) Free surface algorithms for 3D numerical modelling of reservoir flushing. River Flow 2010 . TU Braunschweig; Braunschweig. 2010-09-08 - 2010-09-10.
  • Academic lecture
    Zinke, Peggy; Rüther, Nils; Olsen, Nils Reidar Bøe. (2010) A tool to assess morphological changes in a delta due to hydropower regulation. Renewable energy research conference . NTNU; Trondheim. 2010-06-07 - 2010-06-08.

2009

  • Academic lecture
    Zinke, Peggy; Rüther, Nils; Olsen, Nils Reidar Bøe; Eilertsen, Raymond. (2009) 3D MODELLING OF MORPODYNAMICS IN DELTAS DUE TO HYDRO POWER REGULATION. Proc. of the Annual Conference on Hydraulic Engineering . Technical University of Dresden; Dresden. 2009-03-12 - 2009-03-13.
  • Academic lecture
    Zinke, Peggy; Olsen, Nils Reidar Bøe. (2009) Numerical modeling of water and sediment flow in a delta with natural vegetation. 33rd Biennial Congress of IAHR . IAHR; 2009-08-10 - 2009-08-14.

2008

  • Academic lecture
    Eilertsen, Raymond; Olsen, Nils Reidar Bøe; Rüther, Nils; Zinke, Peggy. (2008) River bed changes in the Lake Øyeren delta distributaries over a three-year period (2004 - 2007) as revealed by interferometric multibeam. International Geological Congress (IGC2008) ; 2008-08-06.
  • Academic lecture
    Rüther, Nils; Olsen, Nils Reidar Bøe; Eilertsen, Raymond. (2008) 3D modeling of flow and sediment transport over natural dunes. RiverFlow 2008 ; 2008-09-03.
  • Academic lecture
    Bihs, Hans Sebastian; Olsen, Nils Reidar Bøe. (2008) Three dimensional numerical modeling of pier scour. Fourth International Conferece on Scour and Erosion ; 2008-11-05.
  • Academic lecture
    Bihs, Hans Sebastian; Olsen, Nils Reidar Bøe. (2008) Three dimensional numerical modeling of secondary flows in channels with longitudinal bedforms. RiverFlow 2008 ; 2008-09-03.
  • Academic lecture
    Stoesser, Thorsten; Rüther, Nils; Olsen, Nils Reidar Bøe. (2008) Near-Bed Flow Behavior in a Meandering Channel. RiverFlow 2008 ; 2008-05-03.
  • Academic lecture
    Zinke, Peggy; Olsen, Nils Reidar Bøe; Rüther, Nils. (2008) 3D Modelling of the flow distribution in the delta of Lake Øyern (Norway). International Conference on Hydroscience and Engineering ; 2008-09-09.
  • Academic lecture
    Zinke, Peggy; Olsen, Nils Reidar Bøe; Sukhodolova, Tanja. (2008) Modeling of hydraulics and morphodynamics in a vegetated river reach. RiverFlow 2008 ; 2008-09-03.

2007

  • Academic lecture
    Bihs, Hans Sebastian; Olsen, Nils Reidar Bøe. (2007) Three Dimensional Numerical Modeling of Abutment Scour. ISEH V 2007 . IAHR; Tempe, Arizona. 2007-12-04 - 2007-12-07.
  • Academic lecture
    Zinke, Peggy; Olsen, Nils Reidar Bøe. (2007) Modeling of sediment deposition in a partly vegetated open channel. 32nd Congress of IAHR . IAHR; Venice. 2007-07-01 - 2007-07-06.

2006

  • Academic lecture
    Rüther, Nils; Olsen, Nils Reidar Bøe. (2006) Towards the prediction of free-forming meander formation using 3D computational fluid dynamics. Flow simulation inf hydraulic engineering . Technical University of Dresden; Dresden. 2006-03-09 - 2006-03-10.
  • Academic lecture
    Stoesser, Thorsten; Rodi, Wolfgang; Olsen, Nils Reidar Bøe. (2006) Large Eddy and RANS flow simulation above dunes. Flow simulation in hydraulic engineering . Technical University of Dresden; Dresden. 2006-03-09 - 2006-03-10.
  • Academic lecture
    Viscardi, Juan M; Pujol, A; Weitbrecht, Volker; Jirka, Gerhart H; Olsen, Nils Reidar Bøe. (2006) Numerical Simulations on the Paraná de las Palmas River. Third International Conference on Fluvial Hydraulics, River Flow 2006 ; Lisboa. 2006-09-06 - 2006-09-08.

2005

  • Academic lecture
    Olsen, Nils Reidar Bøe. (2005) 3D CFD mdelling of erosion in habitat improvement gravel. 31st. IAHR Congress ; 2005-09-11.
  • Academic lecture
    Olsen, Nils Reidar Bøe. (2005) Three-dimensional modelling of sediment transport in a sharply curved menadering channel. 31st. IAHR Congress ; 2005-09-11.
  • Academic lecture
    Ruther, Nils; Olsen, Nils Reidar Bøe. (2005) Advances in 3D modeling of free-forming meander formation from initially straight alluvial channels. 31st. IAHR Congress ; 2005-09-11.

2003

  • Academic lecture
    Ruether, Nils; Olsen, Nils Reidar Bøe. (2003) CFD modeling of alluvial channel instabilities. 3rd IAHR Symposium on River, Coastal and Estuarine Morphodynamics . [Mangler data]; Barcelona, Spain. 2003-09-05.
  • Academic lecture
    Ruether, Nils; Olsen, Nils Reidar Bøe. (2003) CFD modeling of meandering river evolution. XXX IAHR Congress . [Mangler data]; Thessaloniki, Greece. 2003-08-29.
  • Academic lecture
    Wilson, Catherine; Olsen, Nils Reidar Bøe. (2003) Three-dimensional numerical simulation of solute transport in a meandering channel. XXX IAHR Congress . [Mangler data]; Thessaloniki, Greece. 2003-08-29.

2002

  • Academic lecture
    Olsen, Nils Reidar Bøe. (2002) Estimating meandering channel evolution using a 3D CFD model. Hydroinformatics 2002 . [Mangler data]; Cardiff, UK. 2002-07-05.

2001

  • Academic lecture
    Krüger, S; Olsen, Nils Reidar Bøe. (2001) Shock-wave computations in channel contractions. XXIX IAHR Congress . [Mangler data]; Beijing, China. 2001-09-21.
  • Academic lecture
    Olsen, Nils Reidar Bøe. (2001) 3D CFD modelling in fluvial geomorphology. [Mangler data] . Technical University of Vienna, Østerrike; Wien. 2001-12-06.
  • Academic lecture
    Olsen, Nils Reidar Bøe. (2001) CFD modelling of meandering rivers. XXIX IAHR Congress . [Mangler data]; Beijing, China. 2001-09-21.
  • Poster
    Olsen, Nils Reidar Bøe; Aryal, P R. (2001) 3D CFD modelling of water flow in the sand trap of Khimti Hydropower Plant, Nepal. Hydropower 2001 . [Mangler data]; Bergen, Norway. 2001-06-22.

2000

  • Academic lecture
    Olsen, Nils Reidar Bøe. (2000) CFD modelling of bed changes during flushing of a reservoir. Hydroinformatics 2000 . [Mangler data]; Cedar Rapids, USA, 24-27 juli 2000.
  • Academic lecture
    Olsen, Nils Reidar Bøe. (2000) Unstructured hexahedral 3D grids for CFD modelling in fluvial geomorphology. Hydroinformatics 2000 . [Mangler data]; Cedar Rapids, 24-27 juli 2000.

1998

  • Academic lecture
    Olsen, Nils Reidar Bøe. (1998) Unstructured and nested grids for 3D CFD modelling in hydraulic engineering. Hydroinformatics 98 . [Mangler data]; Copenhagen, Denmark.
  • Academic lecture
    Olsen, Nils Reidar Bøe; Hedger, R.D.; George, D.G.; Heslop, S.. (1998) 3D CFD modelling of spatial distribution of algae in Loch Leven, Scotland. 3rd International Conference on Hydro-Science and -Engineering . [Mangler data]; Cottbus, Berlin, Germany.
  • Academic lecture
    Olsen, Nils Reidar Bøe; Hedger, Richard; George, Glen D.; Heslop, Sally. (1998) 3D CDF Modelling of Spatial Distribution of Algae in Loch Leven, Scotland. 3rd International Conference on Hydro-Science and -Engineering . [Mangler data]; Cottbus, Berlin, Germany.
  • Academic lecture
    Olsen, Nils Reidar Bøe; Tjomsland, T.. (1998) 3D CFD modelling of wind-induced currents and radioactive tracer movements in a lake. 3rd International Conference on Hydro-Science and -Engineering . [Mangler data]; Cottbus, Berlin, Germany.
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