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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
Paper No: IOWTC2022-95009
DOI: 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
Click here to open pdf in another window PDF for Prediction of Heave and Pitch Low Frequency Wave Forces and Motions of a Semi-Submersible Floating Wind Turbine and Comparison With Model Test Data
Topics: Floating wind turbines, Semi-submersible offshore structures, Wave forces, Damping, Wave drift forces, Waves, Approximation, Wave drift, Engineering simulation, Flow (Dynamics)
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
Paper No: OMAE2022-81467
DOI: 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
Click here to open pdf in another window PDF for Identification of Wave Drift Forces on a Floating Wind Turbine Sub-Structure With Heave Plates and Comparison With Predictions
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
Paper No: OMAE2022-79483
DOI: 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
Click here to open pdf in another window PDF for Power Performance and Response Analysis of a Semi-Submersible Wind Turbine With Combined Flap Type and Torus Wave Energy Converters
Topics: Semi-submersible offshore structures, Wave energy converters, Wind turbines, Wave energy, Waves, Wind, Ocean engineering, Absorption, Computer simulation, Conceptual design
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
Paper No: OMAE2022-78017
DOI: https://doi.org/10.1115/OMAE2022-78017
View Paper titled, A Data-Driven Framework for Fatigue Monitoring of Operating Flexible Risers
Click here to open pdf in another window PDF for A Data-Driven Framework for Fatigue Monitoring of Operating Flexible Risers
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
Paper No: OMAE2022-79066
DOI: 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
Click here to open pdf in another window PDF for Wave Drift Forces and Low Frequency Drift Motions for Mooring Analysis of a Spread Moored FPSO
Topics: Damping, FPSO, Mooring, Transfer functions, Wave drift forces
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
Paper No: OMAE2022-79163
DOI: 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
Click here to open pdf in another window PDF for Second Order Difference- and Sum-Frequency Wave Loads in the Open-Source Potential Flow Solver NEMOH
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
Paper No: OMAE2021-60490
DOI: https://doi.org/10.1115/OMAE2021-60490
View Paper titled, Bayesian Experimental Design of Cyber-Physical Tests for Hydrodynamic Model Calibration
Click here to open pdf in another window PDF for Bayesian Experimental Design of Cyber-Physical Tests for Hydrodynamic Model Calibration
Topics: Calibration, Experimental design, Waves, Damping, Mooring, Transfer functions, Algorithms, Spectra (Spectroscopy), Stiffness, Testing
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
Paper No: OMAE2020-18854
DOI: https://doi.org/10.1115/OMAE2020-18854
View Paper titled, Wellhead Fatigue Analysis Considering Global and Local Effects
Click here to open pdf in another window PDF for Wellhead Fatigue Analysis Considering Global and Local Effects
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
Paper No: OMAE2020-18137
DOI: 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
Click here to open pdf in another window PDF for Study on 2 nd -Order Wave Loads With Forward Speed Through Aranha’s Formula and Neumann-Kelvin Linearization
Topics: Stress, Waves, Floating structures, Damping, Floating bodies, Transfer functions, Wave drift
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
Paper No: OMAE2020-18528
DOI: https://doi.org/10.1115/OMAE2020-18528
View Paper titled, Time Domain Analysis of Single Module Movement of Deep Sea Rights Enforcement Platform
Click here to open pdf in another window PDF for Time Domain Analysis of Single Module Movement of Deep Sea Rights Enforcement Platform
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
Paper No: OMAE2020-18717
DOI: 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
Click here to open pdf in another window PDF for Time-Domain Hydrodynamic Model for Mooring Analysis of a Spread Moored FPSO With Calibration of Wave Drift Forces
Topics: Calibration, Damping, FPSO, Mooring, Transfer functions, Wave drift forces
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
Paper No: IOWTC2019-7572
DOI: 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
Click here to open pdf in another window PDF for Bichromatic Wave Selection for Validation of the Difference-Frequency Transfer Function for the OC6 Validation Campaign
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
Paper No: OMAE2019-95620
DOI: https://doi.org/10.1115/OMAE2019-95620
View Paper titled, A Numerical Evaluation of the Quadratic Transfer Function for a Floating Structure
Click here to open pdf in another window PDF for A Numerical Evaluation of the Quadratic Transfer Function for a Floating Structure
Topics: Floating structures, Transfer functions, Approximation, Waves, Wave frequency, Water, Wave forces
Proceedings Papers

Study on Wave Load Prediction and Fatigue Damage Analysis of River-Sea-Going Ship

Guohu Guo, Yiwen Wang, Jin Gan, Weiguo Wu, Yunling Ye
Proc. ASME. OMAE2018, Volume 11A: Honoring Symposium for Professor Carlos Guedes Soares on Marine Technology and Ocean Engineering, V11AT12A016, June 17–22, 2018
Paper No: OMAE2018-77554
DOI: https://doi.org/10.1115/OMAE2018-77554
View Paper titled, Study on Wave Load Prediction and Fatigue Damage Analysis of River-Sea-Going Ship
Click here to open pdf in another window PDF for Study on Wave Load Prediction and Fatigue Damage Analysis of River-Sea-Going Ship
Topics: Fatigue damage, Rivers, Seas, Ships, Stress, Waves, Containers, Fatigue, Electromagnetic scattering, Emission spectroscopy
Proceedings Papers

Optimization of Heave Motions for a Four Column Semi-Submersible Based on Genetic Algorithm

Suji Zhu
Proc. ASME. OMAE2018, Volume 7A: Ocean Engineering, V07AT06A051, June 17–22, 2018
Paper No: OMAE2018-77289
DOI: https://doi.org/10.1115/OMAE2018-77289
View Paper titled, Optimization of Heave Motions for a Four Column Semi-Submersible Based on Genetic Algorithm
Click here to open pdf in another window PDF for Optimization of Heave Motions for a Four Column Semi-Submersible Based on Genetic Algorithm
Topics: Genetic algorithms, Optimization, Semi-submersible offshore structures, Optimization algorithms, Center of mass, Computer-aided design, Computers, Dampers, Design, Geometry
Proceedings Papers

Low Frequency Excitation and Damping of Four MODUs in Severe Seastates With Current

Nuno Fonseca, Carl Trygve Stansberg, Kjell Larsen, Rune Bjørkli, Tjerand Vigesdal, Oddgeir Dalane
Proc. ASME. OMAE2018, Volume 1: Offshore Technology, V001T01A064, June 17–22, 2018
Paper No: OMAE2018-77873
DOI: https://doi.org/10.1115/OMAE2018-77873
View Paper titled, Low Frequency Excitation and Damping of Four MODUs in Severe Seastates With Current
Click here to open pdf in another window PDF for Low Frequency Excitation and Damping of Four MODUs in Severe Seastates With Current
Topics: Damping, Excitation, Mobile offshore drilling units, Waves, Approximation, Frequency response, Significant wave heights, Statistics, Surges, Transfer functions
Proceedings Papers

Calibration of a Time-Domain Numerical Hydrodynamic Model for Mooring Analysis of a Semi-Submersible

Nuno Fonseca, Carl Trygve Stansberg
Proc. ASME. OMAE2018, Volume 1: Offshore Technology, V001T01A080, June 17–22, 2018
Paper No: OMAE2018-78753
DOI: https://doi.org/10.1115/OMAE2018-78753
View Paper titled, Calibration of a Time-Domain Numerical Hydrodynamic Model for Mooring Analysis of a Semi-Submersible
Click here to open pdf in another window PDF for Calibration of a Time-Domain Numerical Hydrodynamic Model for Mooring Analysis of a Semi-Submersible
Topics: Calibration, Mooring, Semi-submersible offshore structures, Damping, Engineering simulation, Simulation, Wave drift forces, Computer simulation, Diffraction, Surges
Proceedings Papers

Experimental Assessment of the Performance of CECO Wave Energy Converter in Irregular Waves

Claudio A. Rodríguez, F. Taveira-Pinto, P. Rosa-Santos
Proc. ASME. OMAE2018, Volume 10: Ocean Renewable Energy, V010T09A026, June 17–22, 2018
Paper No: OMAE2018-77686
DOI: https://doi.org/10.1115/OMAE2018-77686
View Paper titled, Experimental Assessment of the Performance of CECO Wave Energy Converter in Irregular Waves
Click here to open pdf in another window PDF for Experimental Assessment of the Performance of CECO Wave Energy Converter in Irregular Waves
Topics: Wave energy converters, Waves, Absorption, Damping, Wave energy, Computer simulation, Hydraulics, Spectroscopy, Transfer functions, Water
Proceedings Papers

Unsteady Viscous CFD Simulations of KCS Behaviour and Performance in Head Seas

LiXiang Guo, JiaWei Yu, JiaJun Chen, KaiJun Jiang, DaKui Feng
Proc. ASME. OMAE2018, Volume 2: CFD and FSI, V002T08A040, June 17–22, 2018
Paper No: OMAE2018-77330
DOI: https://doi.org/10.1115/OMAE2018-77330
View Paper titled, Unsteady Viscous CFD Simulations of KCS Behaviour and Performance in Head Seas
Click here to open pdf in another window PDF for Unsteady Viscous CFD Simulations of KCS Behaviour and Performance in Head Seas
Topics: Computational fluid dynamics, Seas, Simulation, Ships, Reynolds-averaged Navier–Stokes equations, Waves, Computation, Containers, Degrees of freedom, Delays
Proceedings Papers

Learnings From Strain Measurements on an In-Field Conductor and Wellhead System

Rohit Shankaran, Alexander Rimmer, Alan Haig
Proc. ASME. OMAE2018, Volume 3: Structures, Safety, and Reliability, V003T02A096, June 17–22, 2018
Paper No: OMAE2018-78521
DOI: https://doi.org/10.1115/OMAE2018-78521
View Paper titled, Learnings From Strain Measurements on an In-Field Conductor and Wellhead System
Click here to open pdf in another window PDF for Learnings From Strain Measurements on an In-Field Conductor and Wellhead System
Topics: American Petroleum Institute, Drilling, Fatigue, Fatigue damage, Fatigue life, Motion measurement, Ocean engineering, Pipeline risers, Soil, Strain gages