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Proceedings Papers

OpenFAST Modeling of the T-Omega Wind Floating Offshore Wind Turbine System

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Lu Wang, Jason Jonkman, Jim Papadopoulos, Andrew T. Myers
Proc. ASME. IOWTC2023, ASME 2023 5th International Offshore Wind Technical Conference, V001T01A017, December 18–19, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2023-119410
https://doi.org/10.1115/IOWTC2023-119410
View Paper titled, OpenFAST Modeling of the T-Omega Wind Floating Offshore Wind Turbine System
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Topics: Floating wind turbines, Modeling, Wind, Design, Rotors, Bearings, Blades, Dynamics (Mechanics), Engineering simulation, Generators
Proceedings Papers

Development of a Control Co-Design Modeling Tool for Marine Hydrokinetic Turbines

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Hannah Ross, Matthew Hall, Daniel R. Herber, Jason Jonkman, Athul Krishna Sundarrajan, Thanh Toan Tran, Alan Wright, Daniel Zalkind, Nick Johnson
Proc. ASME. IMECE2022, Volume 6: Energy, V006T08A067, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-94483
https://doi.org/10.1115/IMECE2022-94483
View Paper titled, Development of a Control Co-Design Modeling Tool for Marine Hydrokinetic Turbines
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Topics: Design, Hydraulic turbines, Modeling, Optimization, Renewable energy, Simulation
Proceedings Papers

Recent Hydrodynamic Modeling Enhancements in OpenFAST

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Lu Wang, Jason Jonkman, Greg Hayman, Andy Platt, Bonnie Jonkman, Amy Robertson
Proc. ASME. IOWTC2022, ASME 2022 4th International Offshore Wind Technical Conference, V001T01A004, December 7–8, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2022-98094
https://doi.org/10.1115/IOWTC2022-98094
View Paper titled, Recent Hydrodynamic Modeling Enhancements in OpenFAST
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Topics: Modeling, Waves, Stress, Kinematics, Strips, Simulation, Design, Diffraction, Excitation, Flow (Dynamics)
Proceedings Papers

Functional Requirements for the WEIS Toolset to Enable Controls Co-Design of Floating Offshore Wind Turbines

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Jason Jonkman, Alan Wright, Garrett Barter, Matthew Hall, James Allison, Daniel R. Herber
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A007, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3533
https://doi.org/10.1115/IOWTC2021-3533
View Paper titled, Functional Requirements for the WEIS Toolset to Enable Controls Co-Design of Floating Offshore Wind Turbines
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Topics: Design, Floating wind turbines
Proceedings Papers

Investigation of Nonlinear Difference-Frequency Wave Excitation on a Semisubmersible Offshore-Wind Platform With Bichromatic-Wave CFD Simulations

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Lu Wang, Amy Robertson, Jason Jonkman, Yi-Hsiang Yu, Arjen Koop, Adrià Borràs Nadal, Haoran Li, Wei Shi, Romain Pinguet, Yang Zhou, Qing Xiao, Rupesh Kumar, Hamid Sarlak
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A009, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3537
https://doi.org/10.1115/IOWTC2021-3537
View Paper titled, Investigation of Nonlinear Difference-Frequency Wave Excitation on a Semisubmersible Offshore-Wind Platform With Bichromatic-Wave CFD Simulations
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Topics: Computational fluid dynamics, Excitation, Ocean engineering, Semi-submersible offshore structures, Simulation, Stress, Waves, Wind
Journal Articles

Validation of Numerical Models of the Offshore Wind Turbine From the Alpha Ventus Wind Farm Against Full-Scale Measurements Within OC5 Phase III

Open Access
Wojciech Popko, Amy Robertson, Jason Jonkman, Fabian Wendt, Philipp Thomas, Kolja Müller, Matthias Kretschmer, Torbjørn Ruud Hagen, Christos Galinos, Jean-Baptiste Le Dreff, Philippe Gilbert, Bertrand Auriac, Sho Oh, Jacob Qvist, Stian Høegh Sørum, Loup Suja-Thauvin, Hyunkyoung Shin, Climent Molins, Pau Trubat, Paul Bonnet, Roger Bergua, Kai Wang, Pengcheng Fu, Jifeng Cai, Zhisong Cai, Armando Alexandre, Robert Harries
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. February 2021, 143(1): 012002.
Paper No: OMAE-19-1226
https://doi.org/10.1115/1.4047378
Published Online: July 1, 2020
View Articletitled, Validation of Numerical Models of the Offshore Wind Turbine From the Alpha Ventus Wind Farm Against Full-Scale Measurements Within OC5 Phase III
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Topics: Computer simulation, Energy generation, Offshore wind turbines, Signals, Simulation, Simulation results, Stress, Time series, Wind farms, Wind velocity
Proceedings Papers

Bichromatic Wave Selection for Validation of the Difference-Frequency Transfer Function for the OC6 Validation Campaign

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Nathan Tom, Amy Robertson, Jason Jonkman, Fabian Wendt, Manuela Böhm
Proc. ASME. IOWTC2019, ASME 2019 2nd International Offshore Wind Technical Conference, V001T01A022, November 3–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2019-7572
https://doi.org/10.1115/IOWTC2019-7572
View Paper titled, Bichromatic Wave Selection for Validation of the Difference-Frequency Transfer Function for the OC6 Validation Campaign
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Topics: Ocean engineering, Transfer functions, Waves, Wind
Proceedings Papers

Validation of Numerical Models of the Offshore Wind Turbine From the Alpha Ventus Wind Farm Against Full-Scale Measurements Within OC5 Phase III

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Wojciech Popko, Amy Robertson, Jason Jonkman, Fabian Wendt, Philipp Thomas, Kolja Müller, Matthias Kretschmer, Torbjørn Ruud Hagen, Christos Galinos, Jean-Baptiste Le Dreff, Philippe Gilbert, Bertrand Auriac, Sho Oh, Jacob Qvist, Stian Høegh Sørum, Loup Suja-Thauvin, Hyunkyoung Shin, Climent Molins, Pau Trubat, Paul Bonnet, Roger Bergua, Kai Wang, Pengcheng Fu, Jifeng Cai, Zhisong Cai, Armando Alexandre, Robert Harries
Proc. ASME. OMAE2019, Volume 10: Ocean Renewable Energy, V010T09A065, June 9–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2019-95429
https://doi.org/10.1115/OMAE2019-95429
View Paper titled, Validation of Numerical Models of the Offshore Wind Turbine From the Alpha Ventus Wind Farm Against Full-Scale Measurements Within OC5 Phase III
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Topics: Computer simulation, Offshore wind turbines, Wind farms, Stress, Wind velocity, Ocean engineering, RNA, Simulation, Wind turbines, Accelerometers
Proceedings Papers

Hydrodynamic Analysis of a Suspended Cylinder Under Regular Wave Loading Based on Computational Fluid Dynamics

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Philipp Mucha, Amy Robertson, Jason Jonkman, Fabian Wendt
Proc. ASME. OMAE2019, Volume 10: Ocean Renewable Energy, V010T09A066, June 9–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2019-95533
https://doi.org/10.1115/OMAE2019-95533
View Paper titled, Hydrodynamic Analysis of a Suspended Cylinder Under Regular Wave Loading Based on Computational Fluid Dynamics
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Topics: Computational fluid dynamics, Cylinders, Waves, Stress, Computation, Engineering simulation, Flow (Dynamics), Modeling, Simulation, Boundary-value problems
Proceedings Papers

Verification of a Numerical Model of the Offshore Wind Turbine From the Alpha Ventus Wind Farm Within OC5 Phase III

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Wojciech Popko, Matthias L. Huhn, Amy Robertson, Jason Jonkman, Fabian Wendt, Kolja Müller, Matthias Kretschmer, Fabian Vorpahl, Torbjørn Ruud Hagen, Christos Galinos, Jean-Baptiste Le Dreff, Philippe Gilbert, Bertrand Auriac, Francisco Navarro Víllora, Paul Schünemann, Ilmas Bayati, Marco Belloli, Sho Oh, Yoshitaka Totsuka, Jacob Qvist, Erin Bachynski, Stian Høegh Sørum, Paul E. Thomassen, Hyunkyoung Shin, Felipe Vittori, Josean Galván, Climent Molins, Paul Bonnet, Tjeerd van der Zee, Roger Bergua, Kai Wang, Pengcheng Fu, Jifeng Cai
Proc. ASME. OMAE2018, Volume 10: Ocean Renewable Energy, V010T09A056, June 17–22, 2018
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2018-77589
https://doi.org/10.1115/OMAE2018-77589
View Paper titled, Verification of a Numerical Model of the Offshore Wind Turbine From the Alpha Ventus Wind Farm Within OC5 Phase III
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Topics: Computer simulation, Offshore wind turbines, Wind farms, Ocean engineering, Simulation, Collaboration, Servomechanisms, Wind energy, Wind turbines
Proceedings Papers

Assessment of Experimental Uncertainty for a Floating Wind Semisubmersible Under Hydrodynamic Loading

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Amy N. Robertson, Erin E. Bachynski, Sebastien Gueydon, Fabian Wendt, Paul Schünemann, Jason Jonkman
Proc. ASME. OMAE2018, Volume 10: Ocean Renewable Energy, V010T09A076, June 17–22, 2018
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2018-77703
https://doi.org/10.1115/OMAE2018-77703
View Paper titled, Assessment of Experimental Uncertainty for a Floating Wind Semisubmersible Under Hydrodynamic Loading
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Topics: Semi-submersible offshore structures, Uncertainty, Wind, Stress, Modeling, Ocean engineering
Proceedings Papers

Effect of Second-Order and Fully Nonlinear Wave Kinematics on a Tension-Leg-Platform Wind Turbine in Extreme Wave Conditions

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Antonio Pegalajar-Jurado, Michael Borg, Amy Robertson, Jason Jonkman, Henrik Bredmose
Proc. ASME. OMAE2017, Volume 10: Ocean Renewable Energy, V010T09A077, June 25–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2017-61798
https://doi.org/10.1115/OMAE2017-61798
View Paper titled, Effect of Second-Order and Fully Nonlinear Wave Kinematics on a Tension-Leg-Platform Wind Turbine in Extreme Wave Conditions
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Topics: Kinematics, Nonlinear waves, Tension-leg platforms, Waves, Wind turbines, Damping, Dynamic response, Engineering prototypes, Engineering simulation, Floating wind turbines
Proceedings Papers

Computation of Nonlinear Hydrodynamic Loads on Floating Wind Turbines Using Fluid-Impulse Theory

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Godine Kok Yan Chan, Paul D. Sclavounos, Jason Jonkman, Gregory Hayman
Proc. ASME. OMAE2015, Volume 9: Ocean Renewable Energy, V009T09A038, May 31–June 5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2015-41053
https://doi.org/10.1115/OMAE2015-41053
View Paper titled, Computation of Nonlinear Hydrodynamic Loads on Floating Wind Turbines Using Fluid-Impulse Theory
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Topics: Computation, Floating wind turbines, Fluids, Impulse (Physics), Stress, Hydrodynamics, Computers, Diffraction, Floating bodies, Hydrostatics
Proceedings Papers

Validation of Hydrodynamic Load Models Using CFD for the OC4-DeepCwind Semisubmersible

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Maija A. Benitz, David P. Schmidt, Matthew A. Lackner, Gordon M. Stewart, Jason Jonkman, Amy Robertson
Proc. ASME. OMAE2015, Volume 9: Ocean Renewable Energy, V009T09A037, May 31–June 5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2015-41045
https://doi.org/10.1115/OMAE2015-41045
View Paper titled, Validation of Hydrodynamic Load Models Using CFD for the OC4-DeepCwind Semisubmersible
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Topics: Computational fluid dynamics, Semi-submersible offshore structures, Stress, Drag (Fluid dynamics), Engineering instruments, Engineering simulation, Simulation, Fatigue life, Flow visualization, Vortex shedding
Proceedings Papers

Offshore Code Comparison Collaboration Continuation Within IEA Wind Task 30: Phase II Results Regarding a Floating Semisubmersible Wind System

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Amy Robertson, Jason Jonkman, Fabian Vorpahl, Wojciech Popko, Jacob Qvist, Lars Frøyd, Xiaohong Chen, José Azcona, Emre Uzunoglu, Carlos Guedes Soares, Chenyu Luan, Huang Yutong, Fu Pengcheng, Anders Yde, Torben Larsen, James Nichols, Ricard Buils, Liu Lei, Tor Anders Nygaard, Dimitris Manolas, Andreas Heege, Sigrid Ringdalen Vatne, Harald Ormberg, Tiago Duarte, Cyril Godreau, Hans Fabricius Hansen, Anders Wedel Nielsen, Hans Riber, Cédric Le Cunff, Friedemann Beyer, Atsushi Yamaguchi, Kwang Jin Jung, Hyunkyoung Shin, Wei Shi, Hyunchul Park, Marco Alves, Matthieu Guérinel
Proc. ASME. OMAE2014, Volume 9B: Ocean Renewable Energy, V09BT09A012, June 8–13, 2014
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2014-24040
https://doi.org/10.1115/OMAE2014-24040
View Paper titled, Offshore Code Comparison Collaboration Continuation Within IEA Wind Task 30: Phase II Results Regarding a Floating Semisubmersible Wind System
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Topics: Collaboration, Ocean engineering, Semi-submersible offshore structures, Wind, Dynamics (Mechanics), Simulation, Modeling, Offshore wind turbines, Aerodynamics, Approximation
Proceedings Papers

Computation of Wave Loads Under Multidirectional Sea States for Floating Offshore Wind Turbines

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Tiago Duarte, Sébastien Gueydon, Jason Jonkman, António Sarmento
Proc. ASME. OMAE2014, Volume 9B: Ocean Renewable Energy, V09BT09A023, June 8–13, 2014
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2014-24148
https://doi.org/10.1115/OMAE2014-24148
View Paper titled, Computation of Wave Loads Under Multidirectional Sea States for Floating Offshore Wind Turbines
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Topics: Computation, Offshore wind turbines, Seas, Stress, Waves, Floating wind turbines
Proceedings Papers

Comparison of Hydrodynamic Load Predictions Between Reduced Order Engineering Models and Computational Fluid Dynamics for the OC4-DeepCwind Semi-Submersible

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Maija A. Benitz, David P. Schmidt, Matthew A. Lackner, Gordon M. Stewart, Jason Jonkman, Amy Robertson
Proc. ASME. OMAE2014, Volume 9B: Ocean Renewable Energy, V09BT09A006, June 8–13, 2014
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2014-23985
https://doi.org/10.1115/OMAE2014-23985
View Paper titled, Comparison of Hydrodynamic Load Predictions Between Reduced Order Engineering Models and Computational Fluid Dynamics for the OC4-DeepCwind Semi-Submersible
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Topics: Computational fluid dynamics, Engineering models, Semi-submersible offshore structures, Stress, Computer-aided engineering, Flow (Dynamics), Morison equation, Fluid-dynamic forces, Hydrodynamics, Ocean engineering
Proceedings Papers

Extending the Capabilities of the Mooring Analysis Program: A Survey of Dynamic Mooring Line Theories for Integration Into FAST

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Marco Masciola, Jason Jonkman, Amy Robertson
Proc. ASME. OMAE2014, Volume 9A: Ocean Renewable Energy, V09AT09A032, June 8–13, 2014
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2014-23508
https://doi.org/10.1115/OMAE2014-23508
View Paper titled, Extending the Capabilities of the Mooring Analysis Program: A Survey of Dynamic Mooring Line Theories for Integration Into FAST
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Topics: Mooring, Computer-aided engineering, Physics, Equilibrium (Physics), Finite element analysis, Numerical stability, Offshore wind turbines, Spacetime, Wind turbines
Proceedings Papers

Comparison of Second-Order Loads on a Semisubmersible Floating Wind Turbine

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Sébastien Gueydon, Tiago Duarte, Jason Jonkman
Proc. ASME. OMAE2014, Volume 9A: Ocean Renewable Energy, V09AT09A024, June 8–13, 2014
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2014-23398
https://doi.org/10.1115/OMAE2014-23398
View Paper titled, Comparison of Second-Order Loads on a Semisubmersible Floating Wind Turbine
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Topics: Floating wind turbines, Semi-submersible offshore structures, Stress, Ocean engineering, Wind, Turbines, Excitation, Waves, Mooring, Aerodynamics
Proceedings Papers

State-Space Realization of the Wave-Radiation Force Within FAST

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Tiago Duarte, Marco Alves, Jason Jonkman, António Sarmento
Proc. ASME. OMAE2013, Volume 8: Ocean Renewable Energy, V008T09A021, June 9–14, 2013
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2013-10375
https://doi.org/10.1115/OMAE2013-10375
View Paper titled, State-Space Realization of the Wave-Radiation Force Within FAST
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Topics: Radiation (Physics), Waves