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Proceedings Papers

An Improved 2DCNN With Focal Loss Function for Blade Icing Detection of Wind Turbines Under Imbalanced SCADA Data

Dandan Peng, Chenyu Liu, Wim Desmet, Konstantinos Gryllias
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A018, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3527
https://doi.org/10.1115/IOWTC2021-3527
View Paper titled, An Improved 2DCNN With Focal Loss Function for Blade Icing Detection of Wind Turbines Under Imbalanced SCADA Data
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Topics: Artificial neural networks, Blades, Wind turbines
Proceedings Papers

Mooring Fatigue Verification of the WindCrete for a 15 MW Wind Turbine

Pau Trubat, Climent Molins, Daniel Alarcon, Valentin Arramounet, Mohammad Youssef Mahfouz
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A017, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3553
https://doi.org/10.1115/IOWTC2021-3553
View Paper titled, Mooring Fatigue Verification of the WindCrete for a 15 MW Wind Turbine
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Topics: Fatigue, Mooring, Wind turbines
Proceedings Papers

Experimental Validation of a Wave Elevation Observer on a Floating Wind Turbine Model

Simone Di Carlo, Alessandro Fontanella, Alan Facchinetti, Sara Muggiasca, Federico Taruffi, Marco Belloli
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A012, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3508
https://doi.org/10.1115/IOWTC2021-3508
View Paper titled, Experimental Validation of a Wave Elevation Observer on a Floating Wind Turbine Model
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Topics: Floating wind turbines, Waves, Algorithms, Wind turbines
Proceedings Papers

A CFD Study for Floating Offshore Wind Turbine Aerodynamics in Turbulent Wind Field

Yang Zhou, Qing Xiao, Yuanchuan Liu, Atilla Incecik, Christophe Peyrard, Decheng Wan, Sunwei Li
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A005, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3515
https://doi.org/10.1115/IOWTC2021-3515
View Paper titled, A CFD Study for Floating Offshore Wind Turbine Aerodynamics in Turbulent Wind Field
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Topics: Aerodynamics, Computational fluid dynamics, Floating wind turbines, Turbulence, Wind
Proceedings Papers

A Multidimensional FEA Approach for Determination of Hot Spot Stresses in Offshore Jacket Structures

Kris Hectors, Hasan Saeed, Wim De Waele
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A020, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3532
https://doi.org/10.1115/IOWTC2021-3532
View Paper titled, A Multidimensional FEA Approach for Determination of Hot Spot Stresses in Offshore Jacket Structures
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Topics: Fatigue, Finite element analysis, Offshore platform jackets, Stress, Stress concentration, Tubular joints, Fatigue life, Waves, Fatigue analysis, Fatigue design
Proceedings Papers

Performance Analysis of Tacholess Rotation Speed Estimation Methods for Condition Monitoring of Gearboxes of Offshore Wind Farm

Cédric Peeters, Jérôme Antoni, Quentin Leclère, Jan Helsen
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A019, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3567
https://doi.org/10.1115/IOWTC2021-3567
View Paper titled, Performance Analysis of Tacholess Rotation Speed Estimation Methods for Condition Monitoring of Gearboxes of Offshore Wind Farm
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Topics: Condition monitoring, Ocean engineering, Rotation, Wind farms, Vibration, Offshore wind turbines, Reliability, Tachometers
Proceedings Papers

Implementation and Verification of Cable Bending Stiffness in MoorDyn

Matthew Hall, Senu Sirnivas, Yi-Hsiang Yu
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A011, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3565
https://doi.org/10.1115/IOWTC2021-3565
View Paper titled, Implementation and Verification of Cable Bending Stiffness in MoorDyn
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Topics: Cables, Stiffness
Proceedings Papers

Numerical Design of a Floating Offshore Wind Turbine Large Scale Model for Control Purposes

Federico Taruffi, Simone Di Carlo, Sara Muggiasca, Alessandro Fontanella
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A006, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3518
https://doi.org/10.1115/IOWTC2021-3518
View Paper titled, Numerical Design of a Floating Offshore Wind Turbine Large Scale Model for Control Purposes
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Topics: Design, Engineering prototypes, Floating wind turbines
Proceedings Papers

A Reduced-Order Mathematical Model for the Current-Induced Motion of a Floating Offshore Wind Turbine

Éverton L. de Oliveira, Celso P. Pesce, Bruno Mendes, Renato M. M. Orsino, Guilherme R. Franzini
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A004, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3503
https://doi.org/10.1115/IOWTC2021-3503
View Paper titled, A Reduced-Order Mathematical Model for the Current-Induced Motion of a Floating Offshore Wind Turbine
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Topics: Floating wind turbines, Wakes, Engineering simulation, Simulation, Oscillations, Yaw, Currents, Cylinders, Flow (Dynamics), Locks (Waterways)
Proceedings Papers

Scour Effects on the Structural Integrity of Offshore Wind Turbine Monopiles

George E. Varelis, Jun Ai, Prasad Kane, Hossam Ragheb, Elie Dib
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A022, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3554
https://doi.org/10.1115/IOWTC2021-3554
View Paper titled, Scour Effects on the Structural Integrity of Offshore Wind Turbine Monopiles
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Topics: Offshore wind turbines
Proceedings Papers

A Comparison of Time Domain Seismic Analysis Methods for Offshore Wind Turbine Structures: Superelement Approach Versus Integrated Approach

William Collier, Laurens Alblas, Jiang Hai Wu
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A021, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3552
https://doi.org/10.1115/IOWTC2021-3552
View Paper titled, A Comparison of Time Domain Seismic Analysis Methods for Offshore Wind Turbine Structures: Superelement Approach Versus Integrated Approach
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Topics: Computer software, Earthquakes, Excitation, Manufacturing, Modeling, Ocean engineering, Offshore wind turbines, RNA, Rotors, Seismic analysis
Proceedings Papers

Potential Geo-Hazards to Floating Offshore Wind Farms in the US Pacific

Tayebeh Tajalli Bakhsh, Kent Simpson, Tony LaPierre, Mahmud Monim, Jason Dahl, Malcolm Spaulding, Jill Rowe, Jennifer Miller, Daniel O’Connell
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A014, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3564
https://doi.org/10.1115/IOWTC2021-3564
View Paper titled, Potential Geo-Hazards to Floating Offshore Wind Farms in the US Pacific
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Topics: Hazards, Ocean engineering, Pacific Ocean, Soil, Wind farms
Proceedings Papers

Concept for a Wind-Yawing Shallow-Draft Floating Turbine

J. M. Papadopoulos, C. Qiao, A. T. Myers
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A013, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3561
https://doi.org/10.1115/IOWTC2021-3561
View Paper titled, Concept for a Wind-Yawing Shallow-Draft Floating Turbine
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Topics: Ocean engineering, Turbines, Wind, Yaw
Proceedings Papers

Verification Study of CFD Simulation of Semi-Submersible Floating Offshore Wind Turbine Under Regular Waves

Yu Wang, Hamn-Ching Chen, Guilherme Vaz, Simon Mewes
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A010, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3558
https://doi.org/10.1115/IOWTC2021-3558
View Paper titled, Verification Study of CFD Simulation of Semi-Submersible Floating Offshore Wind Turbine Under Regular Waves
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Topics: Computational fluid dynamics, Floating wind turbines, Semi-submersible offshore structures, Simulation, Waves
Proceedings Papers

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

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 the Capacity Factor of Weather-Routed Energy Ships Deployed in the Near-Shore

Roshamida Abd Jamil, Jean-Christophe Gilloteaux, Philippe Lelong, Aurélien Babarit
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A003, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3545
https://doi.org/10.1115/IOWTC2021-3545
View Paper titled, Investigation of the Capacity Factor of Weather-Routed Energy Ships Deployed in the Near-Shore
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Topics: Ocean engineering, Ships, Wind energy
Proceedings Papers

Numerical Research on the Interaction of Multidirectional Random Waves With a Large-Scale Offshore Wind Turbine Foundation

Xinran Ji, Daoru Wang
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A016, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3501
https://doi.org/10.1115/IOWTC2021-3501
View Paper titled, Numerical Research on the Interaction of Multidirectional Random Waves With a Large-Scale Offshore Wind Turbine Foundation
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Topics: Offshore wind turbines, Waves
Proceedings Papers

NOAA-CFSR Offshore Wind Validation

Claudia Pizzigalli, Giancarlo Giovanetti, Lisa Pedinelli, Roberto Padilla-Hernandez
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A015, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3547
https://doi.org/10.1115/IOWTC2021-3547
View Paper titled, NOAA-CFSR Offshore Wind Validation
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Topics: Ocean engineering, Wind
Proceedings Papers

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

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
Proceedings Papers

Modeling the Dynamics of Freely-Floating Offshore Wind Turbine Subjected to Waves With an Open-Source Overset Mesh Method

Romain Pinguet, Sam Kanner, Michel Benoit, Bernard Molin
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A008, February 16–17, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2021-3536
https://doi.org/10.1115/IOWTC2021-3536
View Paper titled, Modeling the Dynamics of Freely-Floating Offshore Wind Turbine Subjected to Waves With an Open-Source Overset Mesh Method
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Topics: Computational fluid dynamics, Dynamics (Mechanics), Modeling, Offshore wind turbines, Waves, Absorption, Computer software, Floating wind turbines, Nonlinear waves