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Mojtaba Mokhtari

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Mojtaba Mokhtari

Associate Professor
Department of Marine Technology
Faculty of Engineering

mojtaba.mokhtari@ntnu.no
+4746215211 2.237 Professor Mørchs hus Tyholt, Trondheim
ResearchGate Google Scholar
About Research Publications Teaching Outreach

About

  • Associate Editor (by invitation), ASME Journal of Offhsore Mechanics and Arctic Engineering
  • Associate Editor (by invitation), ASCE Journal of Pipeline Systems Engineering and Practice
  • Onsager Fellow
  • Outstanding Academic Fellow (The Star Program)
  • Member of the Materials and Fabrications Committee of International Ship and Offshore Structures Congress (ISSC)

Industry Experinece

  • Subsea Engineer / R&D, Wood plc, Australia
  • Asset Management Consultant, Aurecon, Australia

Research Interests

  • Computer Methods in Marine Structures
  • Structural Mechanics and Dynamics of:
    • Offshore Renewable Energy Structures
    • Aquaculture Structures
    • Ships
  • Wind, Wave, and/or Ice Load Modelling
  • Structural Health Monitoring including Digital Twins
  • Corrosion, Fatigue, and/or Creep
  • Multi-purpose Offshore Platforms Design
  • Ice Mechanics and Design for Ice Loads
  • Reliability-based Design

Honours and Awards

  • Outstanding Academic Fellow (The Star Program), Norwegian University of Science and Technology, 2024.
  • Onsager Fellowship, Norwegian University of Science and Technology, 2023.
  • The Moan-Faltinsen Best Paper Award, Department of Marine Technology, Norwegian University of Science and Technology, 2022.
  • Global Talent, Department of Home Affairs, Australian Government, 2020.
  • Postgraduate Research Prize for the best PhD research in civil engineering, Faculty of Engineering and Built Environment, University of Newcastle, Australia, 2018.
  • University of Newcastle Postgraduate Research Scholarship (UNIPRS), 2015-2019.
  • University of Newcastle Research Scholarship Central (UNRSC), 2015-2018.

Current Research Projects

NTNU: 

  • Advanced nonlinear structural analysis of FOWTs.
  • Fluid-structure interaction for FOWTs including nonlinear structural mechanics.
  • Structural health monitoring of marine structures using inverse Finite Element Method (iFEM).
  • Ultimate limit state design of floating offshore wind turbines in the Pan-Arctic.
  • Corrosion fatigue of marine structures using a stochastic pit generation algorithm.
  • Buckling/post-buckling behaviour of stiffened panels.
  • Ice mechanics, ice material modelling, and ice-structure interaction simulations.
  • Coupled thermal-stress analysis of marine steel structures subject to cryogenic spill.

Independent / collaborative:

  • Automatic rapid and realistic 3D modelling of complex-shaped pitting corrosion profiles in all scales (short-term and long-term).
  • Identification and real-time monitoring of pitting corrosion and fatigue damage using the inverse Finite Element Method (iFEM).

Completed Research Projects

  • A non-linear viscoelastic material model with progressive damage based on microstructural evolution and phase transition in polycrystalline ice for design against ice impact.
  • Plasticity-based material modelling of ice using a pressure and rate dependent yield criterion.
  • Damage assessment of high-speed aluminium hull crafts subjected to ice impact.
  • Failure assessment of pitting corroded steel pipelines (experimental, numerical, analytical).
  • Automation of 3D finite element modelling for flawed pipeline girth welds.
  • A novel strengthening technique using CFRPs for steel pipelines subject to accidental external loads (focusing on faulting and explosion). 
  • Perforation of non-rigid projectiles into thick steel plates: A numerical study. 

Master's Thesis Supervision (principal supervisor)

  • Fotios Theodorakis, (2025). "Integrated structural analysis and multiaxial fatigue assessment of a barge-type 15 MW FOWT". European Wind Energy Master (EWEM)
  • Isabelle L. Taen, (2025). "The Application of Buoyancy Bags in the Installation of Offshore Wind Monopiles". European Wind Energy Master (EWEM)
  • Max He Cobben, (2025). "Simulation of wave-iceberg-FWT interaction". Joint Nordic Master

 

Competencies

  • Arctic Engineering
  • Corrosion
  • FEM
  • Ice Mechanics
  • Mechanics of Materials
  • Offshore Wind
  • Pipeline Engineering
  • Structural Mechanics

Research

Current PhD-students

Johannes Schäffner

Preliminary title: Advanced Nonlinear Structural Analysis of FOWTs

Spyridon Stouraitis

Preliminary title: Structural Health Monitoring of Marine Structures with Application to Offshore Wind

 

Master's Theses:

  • Fotios Theodorakis, (2025). "Integrated structural analysis and multiaxial fatigue assessment of a barge-type 15 MW FOWT". European Wind Energy Master (EWEM)
  • Isabelle L. Taen, (2025). "The Application of Buoyancy Bags in the Installation of Offshore Wind Monopiles". European Wind Energy Master (EWEM)
  • Max He Cobben, (2025). "Simulation of wave-iceberg-FWT interaction". Joint Nordic Master

 

 

  • Arctic Hive Mind Group
  • Marine Structures Group

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Publications

  • Chronological
  • By category
  • See all publications in Cristin

2025

  • Mokhtari, Mojtaba; Leira, Bernt Johan. (2025) Time-variant system reliability of pitting corroded steel pipelines. Civil Engineering and Environmental Systems
    Academic article

2024

  • Mokhtari, Mojtaba; Melchers, Robert E.. (2024) Discussion on “Data-driven Methods to Predict the Burst Strength of Corroded Line Pipelines Subjected to Internal Pressure https://doi. org/10.1007/s11804-022-00263-0”. Journal of Marine Science and Application
    Academic article
  • Mokhtari, Mojtaba; Kim, Ekaterina; Amdahl, Jørgen. (2024) Numerical Simulation of Concurrent Flexural and Crushing Failure of Level Ice . The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Mokhtari, Mojtaba; Leira, Bernt Johan. (2024) A Critical Review of Constitutive Models Applied to Ice-Crushing Simulations. Journal of Marine Science and Engineering (JMSE)
    Academic article

2023

  • Mokhtari, Mojtaba; Kim, Ekaterina; Amdahl, Jørgen. (2023) Numerical Simulation of an Aluminium Panel Subject to Ice Impact Load Using a Rate and Pressure Dependent Elastoplastic Material Model for Ice. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Mokhtari, Mojtaba; Kim, Ekaterina; Amdahl, Jørgen. (2023) A non-linear viscoelastic material model with progressive damage based on microstructural evolution and phase transition in polycrystalline ice for design against ice impact. International Journal of Impact Engineering
    Academic article
  • Mokhtari, Mojtaba; Kim, Ekaterina; Amdahl, Jørgen. (2023) A rate and pressure dependent elastoplastic material model for glacial ice colliding with marine structures. CRC Press
    Academic chapter/article/Conference paper
  • Kim, Ekaterina; Mokhtari, Mojtaba; Oftedahl, Live. (2023) Arctic Hive Mind.
    Website (informational material)
  • Ghasemzadeh, Maryam; Mokhtari, Mojtaba; Bilgin, Mahmut Hudayi; Kefal, Adnan. (2023) Pitting corrosion identification approach based on inverse finite element method for marine structure applications . Ocean Engineering
    Academic article
  • Mokhtari, Mojtaba; Wang, Xintong; Amdahl, Jørgen. (2023) Buckling and Post-Buckling Behaviour of Extruded Aluminium Panels Subject to the Combined Effects of Welding and Pitting Corrosion. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Mokhtari, Mojtaba; Wang, Xintong; Amdahl, Jørgen. (2023) Numerical analysis of pit-to-crack transition under corrosion fatigue using a stochastic pit generation algorithm. CRC Press
    Academic chapter/article/Conference paper

2022

  • Ghasemzadeh, Maryam; Mokhtari, Mojtaba; Kefal, Adnan. (2022) Localized corrosion damage prediction of steel plates in marine applications using quadrilateral inverse-shell elements based on iFEM. CRC Press
    Academic chapter/article/Conference paper
  • Mokhtari, Mojtaba; Kim, Ekaterina; Amdahl, Jørgen. (2022) Pressure-dependent plasticity models with convex yield loci for explicit ice crushing simulations. Marine Structures
    Academic article

2021

  • Nam, Woongshik; Mokhtari, Mojtaba; Amdahl, Jørgen. (2021) Thermal analysis of marine structural steel EH36 subject to non-spreading cryogenic spills. Part I: experimental study. Ships and Offshore Structures
    Academic article
  • Mokhtari, Mojtaba; Nam, Woongshik; Amdahl, Jørgen. (2021) Thermal analysis of marine structural steel EH36 subject to non-spreading cryogenic spills. Part II: finite element analysis. Ships and Offshore Structures
    Academic article

2020

  • Mokhtari, Mojtaba; Melchers, Robert E.. (2020) Reliability of the conventional approach for stress/fatigue analysis of pitting corroded pipelines – development of a safer approach. Structural Safety
    Academic article

2019

  • Mokhtari, Mojtaba; Melchers, Robert E.. (2019) Next Generation Fracture Prediction Models of Pitted Pipelines for Cleaner Energy Transportation. International Society of Offshore & Polar Engineers
    Chapter
  • Mokhtari, Mojtaba; Melchers, Robert E.. (2019) Next-generation fracture prediction models for pipes with localized corrosion defects. Engineering Failure Analysis
    Academic article

2018

  • Mokhtari, Mojtaba; Melchers, Robert E.. (2018) A new approach to assess the remaining strength of corroded steel pipes. Engineering Failure Analysis
    Academic article

2016

  • Mokhtari, Mojtaba; Melchers, Robert E.. (2016) Advanced numerical method for failure assessment of corroded steel pipes. International Society of Offshore & Polar Engineers
    Chapter
  • Mokhtari, Mojtaba; Alavi, A. (2016) The application of CFRP to strengthen buried steel pipelines against subsurface explosion. Soil Dynamics and Earthquake Engineering
    Academic article

2015

  • Mokhtari, Mojtaba; Alavi-Nia, Ali. (2015) A parametric study on the mechanical performance of buried X65 steel pipelines under subsurface detonation. Archives of Civil and Mechanical Engineering (ACME)
    Academic article
  • Mokhtari, Mojtaba; Alavi-Nia, Ali. (2015) The influence of using CFRP wraps on performance of buried steel pipelines under permanent ground deformations. Soil Dynamics and Earthquake Engineering
    Academic article

2014

  • Mokhtari, Mojtaba; Alavi-Nia, Ali. (2014) Using FRP wraps to reinforce buried steel pipelines subjected to permanent ground deformations: A Feasibility study. The American Society of Mechanical Engineers (ASME)
    Chapter

Journal publications

  • Mokhtari, Mojtaba; Leira, Bernt Johan. (2025) Time-variant system reliability of pitting corroded steel pipelines. Civil Engineering and Environmental Systems
    Academic article
  • Mokhtari, Mojtaba; Melchers, Robert E.. (2024) Discussion on “Data-driven Methods to Predict the Burst Strength of Corroded Line Pipelines Subjected to Internal Pressure https://doi. org/10.1007/s11804-022-00263-0”. Journal of Marine Science and Application
    Academic article
  • Mokhtari, Mojtaba; Leira, Bernt Johan. (2024) A Critical Review of Constitutive Models Applied to Ice-Crushing Simulations. Journal of Marine Science and Engineering (JMSE)
    Academic article
  • Mokhtari, Mojtaba; Kim, Ekaterina; Amdahl, Jørgen. (2023) A non-linear viscoelastic material model with progressive damage based on microstructural evolution and phase transition in polycrystalline ice for design against ice impact. International Journal of Impact Engineering
    Academic article
  • Ghasemzadeh, Maryam; Mokhtari, Mojtaba; Bilgin, Mahmut Hudayi; Kefal, Adnan. (2023) Pitting corrosion identification approach based on inverse finite element method for marine structure applications . Ocean Engineering
    Academic article
  • Mokhtari, Mojtaba; Kim, Ekaterina; Amdahl, Jørgen. (2022) Pressure-dependent plasticity models with convex yield loci for explicit ice crushing simulations. Marine Structures
    Academic article
  • Nam, Woongshik; Mokhtari, Mojtaba; Amdahl, Jørgen. (2021) Thermal analysis of marine structural steel EH36 subject to non-spreading cryogenic spills. Part I: experimental study. Ships and Offshore Structures
    Academic article
  • Mokhtari, Mojtaba; Nam, Woongshik; Amdahl, Jørgen. (2021) Thermal analysis of marine structural steel EH36 subject to non-spreading cryogenic spills. Part II: finite element analysis. Ships and Offshore Structures
    Academic article
  • Mokhtari, Mojtaba; Melchers, Robert E.. (2020) Reliability of the conventional approach for stress/fatigue analysis of pitting corroded pipelines – development of a safer approach. Structural Safety
    Academic article
  • Mokhtari, Mojtaba; Melchers, Robert E.. (2019) Next-generation fracture prediction models for pipes with localized corrosion defects. Engineering Failure Analysis
    Academic article
  • Mokhtari, Mojtaba; Melchers, Robert E.. (2018) A new approach to assess the remaining strength of corroded steel pipes. Engineering Failure Analysis
    Academic article
  • Mokhtari, Mojtaba; Alavi, A. (2016) The application of CFRP to strengthen buried steel pipelines against subsurface explosion. Soil Dynamics and Earthquake Engineering
    Academic article
  • Mokhtari, Mojtaba; Alavi-Nia, Ali. (2015) A parametric study on the mechanical performance of buried X65 steel pipelines under subsurface detonation. Archives of Civil and Mechanical Engineering (ACME)
    Academic article
  • Mokhtari, Mojtaba; Alavi-Nia, Ali. (2015) The influence of using CFRP wraps on performance of buried steel pipelines under permanent ground deformations. Soil Dynamics and Earthquake Engineering
    Academic article

Part of book/report

  • Mokhtari, Mojtaba; Kim, Ekaterina; Amdahl, Jørgen. (2024) Numerical Simulation of Concurrent Flexural and Crushing Failure of Level Ice . The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Mokhtari, Mojtaba; Kim, Ekaterina; Amdahl, Jørgen. (2023) Numerical Simulation of an Aluminium Panel Subject to Ice Impact Load Using a Rate and Pressure Dependent Elastoplastic Material Model for Ice. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Mokhtari, Mojtaba; Kim, Ekaterina; Amdahl, Jørgen. (2023) A rate and pressure dependent elastoplastic material model for glacial ice colliding with marine structures. CRC Press
    Academic chapter/article/Conference paper
  • Mokhtari, Mojtaba; Wang, Xintong; Amdahl, Jørgen. (2023) Buckling and Post-Buckling Behaviour of Extruded Aluminium Panels Subject to the Combined Effects of Welding and Pitting Corrosion. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Mokhtari, Mojtaba; Wang, Xintong; Amdahl, Jørgen. (2023) Numerical analysis of pit-to-crack transition under corrosion fatigue using a stochastic pit generation algorithm. CRC Press
    Academic chapter/article/Conference paper
  • Ghasemzadeh, Maryam; Mokhtari, Mojtaba; Kefal, Adnan. (2022) Localized corrosion damage prediction of steel plates in marine applications using quadrilateral inverse-shell elements based on iFEM. CRC Press
    Academic chapter/article/Conference paper
  • Mokhtari, Mojtaba; Melchers, Robert E.. (2019) Next Generation Fracture Prediction Models of Pitted Pipelines for Cleaner Energy Transportation. International Society of Offshore & Polar Engineers
    Chapter
  • Mokhtari, Mojtaba; Melchers, Robert E.. (2016) Advanced numerical method for failure assessment of corroded steel pipes. International Society of Offshore & Polar Engineers
    Chapter
  • Mokhtari, Mojtaba; Alavi-Nia, Ali. (2014) Using FRP wraps to reinforce buried steel pipelines subjected to permanent ground deformations: A Feasibility study. The American Society of Mechanical Engineers (ASME)
    Chapter

Information material

  • Kim, Ekaterina; Mokhtari, Mojtaba; Oftedahl, Live. (2023) Arctic Hive Mind.
    Website (informational material)

Teaching

Courses

  • TMR4170 - Marine Structures

Outreach

Moan-Faltinsen Best Paper Award

Mojtaba Mokhtari, postdoc at IMT NTNU, received the Moan-Faltinsen Best Paper Award on Marine Structural Mechanics/Dynamics.

2018

  • Academic lecture
    Mokhtari, Mojtaba; Melchers, Robert E.. (2018) Stress concentration at real complex pits of pressurized steel pipes. 13th Pipeline Technology Conference. 13th Pipeline Technology Conference 2018-03-12 - 2018-03-14
  • Academic lecture
    Mokhtari, Mojtaba; Melchers, Robert E.. (2018) Volume loss, a new parameter in assessment of remaining strength of pitting corroded steel pipes. 13th Pipeline Technology Conference 2018-03-12 - 2018-03-14

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