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Proceedings Papers

On the Design, Hydrodynamic Modelling and Response Analysis of a New Concept FOWT Platform

Touhidul Islam, Vengatesan Venugopal
Proc. ASME. OMAE2024, Volume 7: Ocean Renewable Energy, V007T09A036, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-126638
https://doi.org/10.1115/OMAE2024-126638
View Paper titled, On the Design, Hydrodynamic Modelling and Response Analysis of a New Concept FOWT Platform
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Topics: Design, Modeling, Displacement, Dimensions, Stability, Stress, Waves, Buoyancy, Center of mass, Computer software
Proceedings Papers

Mooring System ULS Analysis Based on Empirical QTFs of Wave Drift Loads

Nuno Fonseca, Galin Tahchiev, Øyvind Ygre Rogne
Proc. ASME. OMAE2024, Volume 1: Offshore Technology, V001T01A038, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-127825
https://doi.org/10.1115/OMAE2024-127825
View Paper titled, Mooring System ULS Analysis Based on Empirical QTFs of Wave Drift Loads
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Topics: Mooring, Wave drift loads, Floating structures, FPSO, Vessels, Approximation, Design, Diffraction, Engineering simulation, Flow (Dynamics)
Proceedings Papers

Effects of Second-Order Hydrodynamic Loads on a Barge-Type Floating Wind Turbine Platform With Moonpools

Lei Tan, Yingyi Liu, Tomoki Ikoma
Proc. ASME. OMAE2024, Volume 1: Offshore Technology, V001T01A014, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-124158
https://doi.org/10.1115/OMAE2024-124158
View Paper titled, Effects of Second-Order Hydrodynamic Loads on a Barge-Type Floating Wind Turbine Platform With Moonpools
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Topics: Floating wind turbines, Stress, Wave drift, Resonance, Engineering prototypes, Engineering simulation, Numerical analysis, Simulation, Surges, Transfer functions
Proceedings Papers

A Simplified Formulation of the Linear Design VWBM Based on IACS Rec. No. 34 Rev.2

Antonio Mikulić, Maro Ćorak, Joško Parunov
Proc. ASME. OMAE2024, Volume 2: Structures, Safety, and Reliability, V002T02A018, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-128082
https://doi.org/10.1115/OMAE2024-128082
View Paper titled, A Simplified Formulation of the Linear Design VWBM Based on IACS Rec. No. 34 Rev.2
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Topics: Design, Information Analysis Centers, Regression analysis, Waves, Ships, Computation, Event history analysis, Naval architecture, Probability, Shapes
Proceedings Papers

Nonlinear Fourier Analysis Using Quasiperiodic Fourier Series

Alfred R. Osborne
Proc. ASME. OMAE2023, Volume 2: Structures, Safety, and Reliability, V002T02A014, June 11–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2023-101978
https://doi.org/10.1115/OMAE2023-101978
View Paper titled, Nonlinear Fourier Analysis Using Quasiperiodic Fourier Series
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Topics: Fourier analysis, Fourier series, Dimensions, Fourier transforms, Nonlinear waves, Transfer functions, Computation, Computer simulation, Electromagnetic scattering, Fast Fourier transforms
Proceedings Papers

Extreme Wave and Vertical Bending Moment Predictions by Higher Order Spectrum Method and Form

Tomoki Takami, Wataru Fujimoto, Hidetaka Houtani, Sadaoki Matsui
Proc. ASME. OMAE2023, Volume 2: Structures, Safety, and Reliability, V002T02A018, June 11–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2023-101876
https://doi.org/10.1115/OMAE2023-101876
View Paper titled, Extreme Wave and Vertical Bending Moment Predictions by Higher Order Spectrum Method and Form
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Topics: Reliability, Waves, Nonlinear waves, Transfer functions, Ships, Simulation
Proceedings Papers

Retrieval of Ocean Wave Spectra From X-Band Marine Radar Images Using Inversion Schemes Based on Auto-Spectral Analysis

Gowtham Radhakrishnan, Bernt J. Leira, Zhen Gao, Svein Sævik, Konstantinos Christakos
Proc. ASME. OMAE2023, Volume 5: Ocean Engineering, V005T06A060, June 11–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2023-104877
https://doi.org/10.1115/OMAE2023-104877
View Paper titled, Retrieval of Ocean Wave Spectra From X-Band Marine Radar Images Using Inversion Schemes Based on Auto-Spectral Analysis
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Topics: Buoys, Ocean waves, Radar, Spectra (Spectroscopy), Waves, Transfer functions, Vessels, Computer simulation, Decision making, Dispersion (Optics)
Proceedings Papers

Prediction of Heave and Pitch Low Frequency Wave Forces and Motions of a Semi-Submersible Floating Wind Turbine and Comparison With Model Test Data

Nuno Fonseca, Carlos Eduardo Siva de Sousa, Petter Andreas Berthelsen
Proc. ASME. IOWTC2022, ASME 2022 4th International Offshore Wind Technical Conference, V001T01A001, December 7–8, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2022-95009
https://doi.org/10.1115/IOWTC2022-95009
View Paper titled, Prediction of Heave and Pitch Low Frequency Wave Forces and Motions of a Semi-Submersible Floating Wind Turbine and Comparison With Model Test Data
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Topics: Floating wind turbines, Semi-submersible offshore structures, Wave forces, Damping, Wave drift forces, Waves, Approximation, Wave drift, Engineering simulation, Flow (Dynamics)
Proceedings Papers

A Data-Driven Framework for Fatigue Monitoring of Operating Flexible Risers

Rasoul Hejazi, Andrew Grime, Ian Milne, Phil Watson, Elizabeth White, Alessio Mariani, Max Lanoëllë
Proc. ASME. OMAE2022, Volume 3: Materials Technology; Pipelines, Risers, and Subsea Systems, V003T04A001, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-78017
https://doi.org/10.1115/OMAE2022-78017
View Paper titled, A Data-Driven Framework for Fatigue Monitoring of Operating Flexible Risers
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Topics: Fatigue, Flexible risers, Vessels, Pipeline risers, Risers (Casting), Waves, Fatigue life, Stress, Buoys, Computer software
Proceedings Papers

Wave Drift Forces and Low Frequency Drift Motions for Mooring Analysis of a Spread Moored FPSO

Min Zhang, Nuoya Xu, Tianen Yang, Nuno Fonseca, Fredrik Mood
Proc. ASME. OMAE2022, Volume 5A: Ocean Engineering, V05AT06A040, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-79066
https://doi.org/10.1115/OMAE2022-79066
View Paper titled, Wave Drift Forces and Low Frequency Drift Motions for Mooring Analysis of a Spread Moored FPSO
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Topics: Damping, FPSO, Mooring, Transfer functions, Wave drift forces
Proceedings Papers

Identification of Wave Drift Forces on a Floating Wind Turbine Sub-Structure With Heave Plates and Comparison With Predictions

Nuno Fonseca, Synne Nybø, José Miguel Rodrigues, Aitor Gallego, Carlos Garrido
Proc. ASME. OMAE2022, Volume 8: Ocean Renewable Energy, V008T09A063, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-81467
https://doi.org/10.1115/OMAE2022-81467
View Paper titled, Identification of Wave Drift Forces on a Floating Wind Turbine Sub-Structure With Heave Plates and Comparison With Predictions
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Topics: Floating wind turbines, Plates (structures), Wave drift forces, Wave drift, Flow (Dynamics), Seas, Waves, Mooring, Oceans, Spectra (Spectroscopy)
Proceedings Papers

Power Performance and Response Analysis of a Semi-Submersible Wind Turbine With Combined Flap Type and Torus Wave Energy Converters

Chern Fong Lee, Christodoulos Tryfonidis, Muk Chen Ong
Proc. ASME. OMAE2022, Volume 8: Ocean Renewable Energy, V008T09A038, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-79483
https://doi.org/10.1115/OMAE2022-79483
View Paper titled, Power Performance and Response Analysis of a Semi-Submersible Wind Turbine With Combined Flap Type and Torus Wave Energy Converters
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Topics: Semi-submersible offshore structures, Wave energy converters, Wind turbines, Wave energy, Waves, Wind, Ocean engineering, Absorption, Computer simulation, Conceptual design
Proceedings Papers

Second Order Difference- and Sum-Frequency Wave Loads in the Open-Source Potential Flow Solver NEMOH

R. Kurnia, G. Ducrozet, J.-C. Gilloteaux
Proc. ASME. OMAE2022, Volume 5A: Ocean Engineering, V05AT06A019, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-79163
https://doi.org/10.1115/OMAE2022-79163
View Paper titled, Second Order Difference- and Sum-Frequency Wave Loads in the Open-Source Potential Flow Solver NEMOH
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Topics: Flow (Dynamics), Stress, Waves, Boundary element methods, Computation, Computer software, Cylinders, Semi-submersible offshore structures, Transfer functions
Proceedings Papers

Bayesian Experimental Design of Cyber-Physical Tests for Hydrodynamic Model Calibration

Giuseppe Abbiati, Thomas Sauder
Proc. ASME. OMAE2021, Volume 6: Ocean Engineering, V006T06A032, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-60490
https://doi.org/10.1115/OMAE2021-60490
View Paper titled, Bayesian Experimental Design of Cyber-Physical Tests for Hydrodynamic Model Calibration
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Topics: Calibration, Experimental design, Waves, Damping, Mooring, Transfer functions, Algorithms, Spectra (Spectroscopy), Stiffness, Testing
Proceedings Papers

Time Domain Analysis of Single Module Movement of Deep Sea Rights Enforcement Platform

Wang Yuhan, Yuan Hongtao, Kong Weiwen, Yang Hankun, Zhang Huan
Proc. ASME. OMAE2020, Volume 1: Offshore Technology, V001T01A050, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18528
https://doi.org/10.1115/OMAE2020-18528
View Paper titled, Time Domain Analysis of Single Module Movement of Deep Sea Rights Enforcement Platform
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Topics: Seas, Time-domain analysis, Waves, Computer software, Cycles, Design, Emission spectroscopy, Finite element model, Security, Shapes
Proceedings Papers

Time-Domain Hydrodynamic Model for Mooring Analysis of a Spread Moored FPSO With Calibration of Wave Drift Forces

Min Zhang, Junrong Wang, Junfeng Du, Nuno Fonseca, Galin Tahchiev, Espen Engebretsen
Proc. ASME. OMAE2020, Volume 1: Offshore Technology, V001T01A064, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18717
https://doi.org/10.1115/OMAE2020-18717
View Paper titled, Time-Domain Hydrodynamic Model for Mooring Analysis of a Spread Moored FPSO With Calibration of Wave Drift Forces
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Topics: Calibration, Damping, FPSO, Mooring, Transfer functions, Wave drift forces
Proceedings Papers

Wellhead Fatigue Analysis Considering Global and Local Effects

Filipe A. Rezende, Guilherme K. Lopes, Fernando J. M. Sousa, José R. M. Sousa, Carlos E. Fonseca, Joseir G. Percy
Proc. ASME. OMAE2020, Volume 4: Pipelines, Risers, and Subsea Systems, V004T04A065, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18854
https://doi.org/10.1115/OMAE2020-18854
View Paper titled, Wellhead Fatigue Analysis Considering Global and Local Effects
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Topics: Fatigue, Fatigue analysis, Transfer functions, Stress, Fatigue damage, Pipeline risers, Soil, Pressure, Computer simulation, Cycles
Proceedings Papers

Study on 2 nd -Order Wave Loads With Forward Speed Through Aranha’s Formula and Neumann-Kelvin Linearization

Zhitian Xie, Jeffery Falzarano
Proc. ASME. OMAE2020, Volume 6A: Ocean Engineering, V06AT06A039, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18137
https://doi.org/10.1115/OMAE2020-18137
View Paper titled, Study on 2 nd -Order Wave Loads With Forward Speed Through Aranha’s Formula and Neumann-Kelvin Linearization
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Topics: Stress, Waves, Floating structures, Damping, Floating bodies, Transfer functions, Wave drift
Proceedings Papers

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

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

A Numerical Evaluation of the Quadratic Transfer Function for a Floating Structure

Zhitian Xie, Yujie Liu, Jeffrey Falzarano
Proc. ASME. OMAE2019, Volume 7A: Ocean Engineering, V07AT06A020, June 9–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2019-95620
https://doi.org/10.1115/OMAE2019-95620
View Paper titled, A Numerical Evaluation of the Quadratic Transfer Function for a Floating Structure
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Topics: Floating structures, Transfer functions, Approximation, Waves, Wave frequency, Water, Wave forces