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Journal Articles

Validation of a Frequency-Dependent Morison Force Formulation for a Large Monopile in Severe Irregular Seas

Fatemeh H. Dadmarzi, Erin E. Bachynski-Polić, Csaba Pakozdi, Maxime Thys
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. October 2025, 147(5): 052003.
Paper No: OMAE-23-1146
https://doi.org/10.1115/1.4067500
Published Online: January 20, 2025
View Articletitled, Validation of a Frequency-Dependent Morison Force Formulation for a Large Monopile in Severe Irregular Seas
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Topics: Seas, Stress, Waves, Morison equation
Proceedings Papers

Down-Scale Wave Hydrodynamic Analysis for Marine Structures - the NORA-SARAH Approach

Widar Weizhi Wang, Konstantinos Christakos, Csaba Pákozdi, Hans Bihs
Proc. ASME. OMAE2024, Volume 5B: Ocean Engineering, V05BT06A062, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-127643
https://doi.org/10.1115/OMAE2024-127643
View Paper titled, Down-Scale Wave Hydrodynamic Analysis for Marine Structures - the NORA-SARAH Approach
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Topics: Marine structures, Modeling, Waves
Proceedings Papers

An Improved Interface Coupling Computational Fluid Dynamics With Potential Theory-Based Wave Descriptions

Csaba Pakozdi, Martin Gutsch, Joseph C. Sajan, Sébastien Fouques
Proc. ASME. OMAE2024, Volume 6: Polar and Arctic Sciences and Technology; CFD, FSI, and AI, V006T08A009, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-126680
https://doi.org/10.1115/OMAE2024-126680
View Paper titled, An Improved Interface Coupling Computational Fluid Dynamics With Potential Theory-Based Wave Descriptions
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Topics: Computational fluid dynamics, Waves, Simulation, Wave theory of light, Water, Computer software, Finite volume methods, Flow (Dynamics), Fluids, Gravity (Force)
Proceedings Papers

Estimation and Experimental Validation of Extreme Waves and Loads on a Large Monopile

Csaba Pakozdi, Hagbart S. Alsos, Senthuran Ravinthrakumar, Synne Nyboe, Louise Ankerstjerne Rolland, Knut Nordheim
Proc. ASME. OMAE2024, Volume 7: Ocean Renewable Energy, V007T09A046, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-127967
https://doi.org/10.1115/OMAE2024-127967
View Paper titled, Estimation and Experimental Validation of Extreme Waves and Loads on a Large Monopile
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Topics: Stress, Waves, Statistics, Numerical analysis, Seas, Boundary-value problems, Computer software, Drag (Fluid dynamics), Inertia (Mechanics), Kinematics
Journal Articles

Identification and Investigation of Extreme Events Using an Arbitrary Lagrangian–Eulerian Approach With a Laplace Equation Solver and Coupling to a Navier–Stokes Solver

Arun Kamath, Weizhi Wang, Csaba Pakozdi, Hans Bihs
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. December 2023, 145(6): 061902.
Paper No: OMAE-22-1087
https://doi.org/10.1115/1.4057014
Published Online: March 16, 2023
View Articletitled, Identification and Investigation of Extreme Events Using an Arbitrary Lagrangian–Eulerian Approach With a Laplace Equation Solver and Coupling to a Navier–Stokes Solver
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Topics: Computational fluid dynamics, Cylinders, Kinematics, Laplace equations, Seas, Simulation, Wave forces, Waves, Computer simulation, Resolution (Optics)
Proceedings Papers

Empire Wind Model Tests - Wave Loads and Responses

Hagbart S. Alsos, Senthuran Ravinthrakumar, Ole David Økland, Csaba Pâkozdi, Louise Ankerstjerne Rolland, Knut Nordheim
Proc. ASME. IOWTC2022, ASME 2022 4th International Offshore Wind Technical Conference, V001T02A001, December 7–8, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2022-98625
https://doi.org/10.1115/IOWTC2022-98625
View Paper titled, Empire Wind Model Tests - Wave Loads and Responses
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Topics: Stress, Waves, Wind
Journal Articles

Efficient Calculation of Hydrodynamic Loads on Offshore Wind Substructures Including Slamming Forces

Csaba Pakozdi, Arun Kamath, Weizhi Wang, Tobias Martin, Hans Bihs
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. April 2023, 145(2): 021901.
Paper No: OMAE-22-1052
https://doi.org/10.1115/1.4055701
Published Online: October 13, 2022
View Articletitled, Efficient Calculation of Hydrodynamic Loads on Offshore Wind Substructures Including Slamming Forces
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Topics: Kinematics, Stress, Waves, Simulation, Water, Ocean engineering, Wind
Proceedings Papers

A Numerical Investigation on Wave Spectrum Identification and Transformation From Deep to Shallow Waters for the Coastal and Offshore Installations

Weizhi Wang, Arun Kamath, Csaba Pákozdi, Hans Bihs
Proc. ASME. OMAE2022, Volume 5B: Ocean Engineering; Honoring Symposium for Professor Günther F. Clauss on Hydrodynamics and Ocean Engineering, V05BT06A057, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-79010
https://doi.org/10.1115/OMAE2022-79010
View Paper titled, A Numerical Investigation on Wave Spectrum Identification and Transformation From Deep to Shallow Waters for the Coastal and Offshore Installations
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Topics: Offshore installations, Shorelines, Water, Waves, Spectra (Spectroscopy), Computational fluid dynamics, Simulation, Flow (Dynamics), Reflection, Renewable energy
Proceedings Papers

Joint-Industry Effort to Develop and Verify CFD Modeling Practice for Predicting Wave Impact

Csaba Pakozdi, Eloise Croonenborghs, Jang Kim, Milovan Peric, Guillaume Ducrozet, Benjamin Bouscasse, Haihua Xu, Andrea Califano, Andreas Akselsen, Sebastien Loubeyre
Proc. ASME. OMAE2022, Volume 1: Offshore Technology, V001T01A005, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-79152
https://doi.org/10.1115/OMAE2022-79152
View Paper titled, Joint-Industry Effort to Develop and Verify CFD Modeling Practice for Predicting Wave Impact
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Topics: Computational fluid dynamics, Modeling, Waves, Time series, Simulation, Computer simulation, Computer software, Gravity (Force), Stress, Water
Proceedings Papers

Identification and Investigation of Extreme Events on Marine Structures Using ALE Approach and Hydrodynamic Coupling of Navier Stokes- and Laplace Equation-Based Models

Arun Kamath, Tobias Martin, Weizhi Wang, Csaba Pakozdi, Hans Bihs
Proc. ASME. OMAE2022, Volume 5A: Ocean Engineering, V05AT06A038, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-79036
https://doi.org/10.1115/OMAE2022-79036
View Paper titled, Identification and Investigation of Extreme Events on Marine Structures Using ALE Approach and Hydrodynamic Coupling of Navier Stokes- and Laplace Equation-Based Models
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Topics: Computer simulation, Design, Energy generation, Hydrodynamics, Kinematics, Laplace equations, Marine structures, Modeling, Offshore wind turbines, Renewable energy
Proceedings Papers

Numerical Investigation of Mean Drift Forces Acting on Restrained FPSO in Regular Waves by Linear and Nonlinear Tools

Csaba Pakozdi, Nuno Fonseca
Proc. ASME. OMAE2022, Volume 5B: Ocean Engineering; Honoring Symposium for Professor Günther F. Clauss on Hydrodynamics and Ocean Engineering, V05BT12A011, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-79052
https://doi.org/10.1115/OMAE2022-79052
View Paper titled, Numerical Investigation of Mean Drift Forces Acting on Restrained FPSO in Regular Waves by Linear and Nonlinear Tools
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Topics: FPSO, Waves, Computational fluid dynamics, Wave drift forces, Flow (Dynamics), Simulation, Seas, Fourier analysis, Mooring, Physics
Journal Articles

Hydrodynamic Coupling of Viscous and Nonviscous Numerical Wave Solutions Within the Open-Source Hydrodynamics Framework reef3d

Weizhi Wang, Csaba Pákozdi, Arun Kamath, Tobias Martin, Hans Bihs
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. August 2022, 144(4): 041903.
Paper No: OMAE-21-1113
https://doi.org/10.1115/1.4053848
Published Online: March 7, 2022
View Articletitled, Hydrodynamic Coupling of Viscous and Nonviscous Numerical Wave Solutions Within the Open-Source Hydrodynamics Framework reef3d
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Topics: Computational fluid dynamics, Flow (Dynamics), Waves, Hydrodynamics
Journal Articles

Representation of 3-h Offshore Short-Crested Wave Field in the Fully Nonlinear Potential Flow Model REEF3D::FNPF

Weizhi Wang, Csaba Pakozdi, Arun Kamath, Hans Bihs
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. August 2022, 144(4): 041902.
Paper No: OMAE-20-1177
https://doi.org/10.1115/1.4053774
Published Online: March 1, 2022
View Articletitled, Representation of 3-h Offshore Short-Crested Wave Field in the Fully Nonlinear Potential Flow Model REEF3D::FNPF
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Topics: Waves, Flow (Dynamics), Gages
Proceedings Papers

Hydrodynamic Coupling of Viscous and Non-Viscous Numerical Wave Solutions Within the Open-Source Hydrodynamics Framework REEF3D

Weizhi Wang, Csaba Pákozdi, Arun Kamath, Tobias Martin, Hans Bihs
Proc. ASME. OMAE2021, Volume 8: CFD and FSI, V008T08A008, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-62185
https://doi.org/10.1115/OMAE2021-62185
View Paper titled, Hydrodynamic Coupling of Viscous and Non-Viscous Numerical Wave Solutions Within the Open-Source Hydrodynamics Framework REEF3D
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Topics: Hydrodynamics, Waves, Computational fluid dynamics, Boundary-value problems, Flow (Dynamics), Laplace equations, Resolution (Optics), Turbulence, Finite difference methods, Kinematics
Proceedings Papers

Efficient Calculation of Spatial and Temporal Evolution of Hydrodynamic Loads on Offshore Wind Substructures

Csaba Pakozdi, Arun Kamath, Weizhi Wang, Tobias Martin, Hans Bihs
Proc. ASME. OMAE2021, Volume 1: Offshore Technology, V001T01A036, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-62256
https://doi.org/10.1115/OMAE2021-62256
View Paper titled, Efficient Calculation of Spatial and Temporal Evolution of Hydrodynamic Loads on Offshore Wind Substructures
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Topics: Ocean engineering, Stress, Wind, Waves, Strips, Engineering simulation, Simulation, Boundary-value problems, Computer simulation, Flow (Dynamics)
Proceedings Papers

Development of a Protocol to Couple Wave and CFD Solvers Towards Reproducible CFD Modeling Practices for Offshore Applications

Benjamin Bouscasse, Guillaume Ducrozet, Jang Whan Kim, Hojoon Lim, Young Myung Choi, Arne Bockman, Csaba Pakozdi, Eloïse Croonenborghs, Hans Bihs
Proc. ASME. OMAE2020, Volume 1: Offshore Technology, V001T01A014, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-19188
https://doi.org/10.1115/OMAE2020-19188
View Paper titled, Development of a Protocol to Couple Wave and CFD Solvers Towards Reproducible CFD Modeling Practices for Offshore Applications
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Topics: Computational fluid dynamics, Modeling, Ocean engineering, Waves, Kinematics, Nonlinear waves
Proceedings Papers

Validation of Numerical Wave Tank Simulations Using REEF3D With JONSWAP Spectra in Intermediate Water Depth

Csaba Pakozdi, Sebastien Fouques, Maxime Thys, Arun Kamath, Weizhi Wang, Fatemeh Hoseini Dadmarzi, Erin Bachynski, Hans Bihs
Proc. ASME. OMAE2020, Volume 1: Offshore Technology, V001T01A012, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18298
https://doi.org/10.1115/OMAE2020-18298
View Paper titled, Validation of Numerical Wave Tank Simulations Using REEF3D With JONSWAP Spectra in Intermediate Water Depth
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Topics: Engineering simulation, Simulation, Spectra (Spectroscopy), Water, Waves, Computer simulation, Stress, Design, Flow (Dynamics), Oceans
Proceedings Papers

A Numerical Investigation of Steep Irregular Wave Properties With a Mixed-Eulerian Lagrangian HOS Method

Sébastien Fouques, Csaba Pákozdi
Proc. ASME. OMAE2020, Volume 2A: Structures, Safety, and Reliability, V02AT02A001, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18216
https://doi.org/10.1115/OMAE2020-18216
View Paper titled, A Numerical Investigation of Steep Irregular Wave Properties With a Mixed-Eulerian Lagrangian HOS Method
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Topics: Waves, Simulation, Seas, Particulate matter, Computational fluid dynamics, Design, Modeling, Nonlinear waves, Physics, Probability
Proceedings Papers

Representation of Breaking Wave Kinematics in the Fully Nonlinear Potential Flow Model REEF3D::FNPF

Csaba Pakozdi, Arun Kamath, Weizhi Wang, Hans Bihs
Proc. ASME. OMAE2020, Volume 8: CFD and FSI, V008T08A011, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18160
https://doi.org/10.1115/OMAE2020-18160
View Paper titled, Representation of Breaking Wave Kinematics in the Fully Nonlinear Potential Flow Model REEF3D::FNPF
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Topics: Flow (Dynamics), Kinematics, Waves, Simulation, Computational fluid dynamics, Computer simulation, Damping, Seas, Laplace equations, Marine structures
Proceedings Papers

High-Fidelity Representation of Three-Hour Offshore Short-Crested Wave Field in the Fully Nonlinear Potential Flow Model REEF3D::FNPF

Weizhi Wang, Csaba Pakozdi, Arun Kamath, Hans Bihs
Proc. ASME. OMAE2020, Volume 6B: Ocean Engineering, V06BT06A058, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18262
https://doi.org/10.1115/OMAE2020-18262
View Paper titled, High-Fidelity Representation of Three-Hour Offshore Short-Crested Wave Field in the Fully Nonlinear Potential Flow Model REEF3D::FNPF
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Topics: Flow (Dynamics), Ocean engineering, Waves, Seas, Spacetime, Boundary-value problems, Computation, Computer simulation, Engineering simulation, Errors