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Proceedings Papers

Deep Learning Based Prediction of Hydrodynamic Forces on Offshore Platforms

Tharindu Pradeeptha Miyanawala, Yulong Li, Yun Zhi Law, Harrif Santo
Publisher: American Society of Mechanical Engineers
Proc. ASME. OMAE2023, Volume 7: CFD & FSI, V007T08A012, June 11–16, 2023
Paper No: OMAE2023-104748
https://doi.org/10.1115/OMAE2023-104748
View Paper titled, Deep Learning Based Prediction of Hydrodynamic Forces on Offshore Platforms
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Topics: Fluid-dynamic forces, Jack-up drilling rigs, Ocean engineering, Offshore platforms, Waves, Time series, Computation, Drag (Fluid dynamics), Approximation, Artificial neural networks
Proceedings Papers

Relating Stress-Overshoot Measurements of Drilling Fluids to Rheological Properties by Utilizing Inertia Calculations, Oscillatory Tests and Modelling

Kristian Gjerstad
Publisher: American Society of Mechanical Engineers
Proc. ASME. OMAE2023, Volume 9: Offshore Geotechnics; Petroleum Technology, V009T11A052, June 11–16, 2023
Paper No: OMAE2023-105303
https://doi.org/10.1115/OMAE2023-105303
View Paper titled, Relating Stress-Overshoot Measurements of Drilling Fluids to Rheological Properties by Utilizing Inertia Calculations, Oscillatory Tests and Modelling
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Topics: Drilling, Fluids, Inertia (Mechanics), Modeling, Rheology, Stress, Thixotropy
Proceedings Papers

A Coupled Wave-Current-Structure Study for a Floating Offshore Wind Turbine Platform

Xiang Li, Qing Xiao, Rodolfo T. Gonçalves, Christophe Peyrard
Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A027, June 5–10, 2022
Paper No: OMAE2022-79016
https://doi.org/10.1115/OMAE2022-79016
View Paper titled, A Coupled Wave-Current-Structure Study for a Floating Offshore Wind Turbine Platform
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Topics: Floating wind turbines, Vortices, Waves, Computational fluid dynamics, Flow (Dynamics), Design, Dynamic response, Fatigue life, Inertia (Mechanics), Mooring
Proceedings Papers

Flow-Induced Vibration Marine Current Energy Harvesting Using a Centrally-Pivoted Cylinder

Brad Stappenbelt
Proc. ASME. OMAE2022, Volume 8: Ocean Renewable Energy, V008T09A004, June 5–10, 2022
Paper No: OMAE2022-80245
https://doi.org/10.1115/OMAE2022-80245
View Paper titled, Flow-Induced Vibration Marine Current Energy Harvesting Using a Centrally-Pivoted Cylinder
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Topics: Cylinders, Energy harvesting, Flow-induced vibrations, Vortex-induced vibration, Design, Energy conversion, Augers, Buoyancy, Caissons, Cross-flow
Proceedings Papers

Mitigating Force Oscillations in a Wave Energy Converter Using Control Barrier Functions

Mathias Marley, Roger Skjetne
Proc. ASME. OMAE2022, Volume 8: Ocean Renewable Energy, V008T09A089, June 5–10, 2022
Paper No: OMAE2022-82707
https://doi.org/10.1115/OMAE2022-82707
View Paper titled, Mitigating Force Oscillations in a Wave Energy Converter Using Control Barrier Functions
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Topics: Oscillations, Wave energy converters, Safety, Feedback, Actuators, Autonomous vehicles, Computer simulation, Control equipment, Design, Generators
Proceedings Papers

Determination of the Vertical Location of the Axis of Rotation of the Roll Motion From Full-Scale Measurements

Lars Johnsen, Stefan Krüger
Proc. ASME. OMAE2021, Volume 6: Ocean Engineering, V006T06A046, June 21–30, 2021
Paper No: OMAE2021-62301
https://doi.org/10.1115/OMAE2021-62301
View Paper titled, Determination of the Vertical Location of the Axis of Rotation of the Roll Motion From Full-Scale Measurements
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Topics: Rotation, Floating structures, Fluid-dynamic forces, Hydrostatics, Inertia (Mechanics), Ships
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
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

A Framework for Condition Monitoring and Risk-Based Decision Support Involving a Vessel State Observer

Xu Han, Bernt J. Leira, Svein Sævik, Gowtham Radhakrishnan, Stian Skjong, Lars T. Kyllingstad
Proc. ASME. OMAE2021, Volume 2: Structures, Safety, and Reliability, V002T02A018, June 21–30, 2021
Paper No: OMAE2021-61850
https://doi.org/10.1115/OMAE2021-61850
View Paper titled, A Framework for Condition Monitoring and Risk-Based Decision Support Involving a Vessel State Observer
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Topics: Condition monitoring, Risk, State estimation, Vessels, Sensors, Data acquisition, Inertia (Mechanics), Waves, Center of mass, Damping
Proceedings Papers

Numerical Reproduction of the DeRisk Physical Model Tests on a Bottom-Fixed Foundation Exposed to Uni- and Multi-Directional Storm Sea States

Fabio Pierella, Henrik Bredmose, Martin Dixen, Amin Ghadirian
Proc. ASME. OMAE2021, Volume 1: Offshore Technology, V001T01A038, June 21–30, 2021
Paper No: OMAE2021-65526
https://doi.org/10.1115/OMAE2021-65526
View Paper titled, Numerical Reproduction of the DeRisk Physical Model Tests on a Bottom-Fixed Foundation Exposed to Uni- and Multi-Directional Storm Sea States
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Topics: Seas, Storms, Stress, Waves, Cylinders, Kinematics, Signals, Statistics, Drag (Fluid dynamics), Engineering simulation
Proceedings Papers

Investigating the Impact of Power-Take-Off System Parameters and Control Law on a Rotational Wave Energy Converter’s Peak-to-Average Power Ratio Reduction

H. Bora Karayaka, Yi-Hsiang Yu, Nathan Tom, Eduard Muljadi
Proc. ASME. OMAE2020, Volume 9: Ocean Renewable Energy, V009T09A029, August 3–7, 2020
Paper No: OMAE2020-18961
https://doi.org/10.1115/OMAE2020-18961
View Paper titled, Investigating the Impact of Power-Take-Off System Parameters and Control Law on a Rotational Wave Energy Converter’s Peak-to-Average Power Ratio Reduction
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Topics: Control algorithms, Engines, Gears, Generators, Geometry, Hardware, Inertia (Mechanics), Mechanical drives, Motors, Resonance
Proceedings Papers

Analysis of a FOWT Model in Bichromatic Waves: An Investigation on the Effect of Combined Wave-Frequency and Slow Motions on the Calibration of Drag and Inertial Force Coefficients

Lucas H. S. do Carmo, Pedro C. de Mello, Edgard B. Malta, Guilherme R. Franzini, Alexandre N. Simos, Rodolfo T. Gonçalves, Hideyuki Suzuki
Proc. ASME. OMAE2020, Volume 9: Ocean Renewable Energy, V009T09A047, August 3–7, 2020
Paper No: OMAE2020-18239
https://doi.org/10.1115/OMAE2020-18239
View Paper titled, Analysis of a FOWT Model in Bichromatic Waves: An Investigation on the Effect of Combined Wave-Frequency and Slow Motions on the Calibration of Drag and Inertial Force Coefficients
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Topics: Calibration, Drag (Fluid dynamics), Wave frequency, Waves, Flow (Dynamics), Cylinders, Hull, Oscillations, Case studies, Computation
Proceedings Papers

Study on the Structural Safety Evaluation of the Self-Elevating Offshore Wind Turbine Installation Platform

Hou Jiayi, Li Yu, Zhang Haihua, Kan Tiantian
Proc. ASME. OMAE2020, Volume 1: Offshore Technology, V001T01A053, August 3–7, 2020
Paper No: OMAE2020-18812
https://doi.org/10.1115/OMAE2020-18812
View Paper titled, Study on the Structural Safety Evaluation of the Self-Elevating Offshore Wind Turbine Installation Platform
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Topics: Offshore wind turbines, Safety, Stress, Waves, Design, Computational methods, Degrees of freedom, Diffraction, Gravity (Force), Inertia (Mechanics)
Proceedings Papers

Hull Structural Strength Evaluation Based on Fiber Bragg Gratings Pressure Sensors to Measure Spatial Pressure Distribution on Ship’s Hull in Waves

Yusuke Komoriyama, Daichi Ota, Chong Ma, Hiroshi Sawada, Masayoshi Oka, Sadaoki Matsui, Hidetaka Houtani
Proc. ASME. OMAE2020, Volume 2A: Structures, Safety, and Reliability, V02AT02A023, August 3–7, 2020
Paper No: OMAE2020-18434
https://doi.org/10.1115/OMAE2020-18434
View Paper titled, Hull Structural Strength Evaluation Based on Fiber Bragg Gratings Pressure Sensors to Measure Spatial Pressure Distribution on Ship’s Hull in Waves
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Topics: Fiber Bragg gratings, Hull, Pressure, Pressure sensors, Waves, Water pressure, Finite element analysis, Inertia (Mechanics), Strain sensors, Calibration
Proceedings Papers

Effects of Variations on the Experimental Set-Up on the Motion Response of a Floating Wind Semisubmersible (OC4 Type)

Sebastien Gueydon
Proc. ASME. IOWTC2019, ASME 2019 2nd International Offshore Wind Technical Conference, V001T01A020, November 3–6, 2019
Paper No: IOWTC2019-7543
https://doi.org/10.1115/IOWTC2019-7543
View Paper titled, Effects of Variations on the Experimental Set-Up on the Motion Response of a Floating Wind Semisubmersible (OC4 Type)
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Topics: Semi-submersible offshore structures, Wind, Engineering simulation, Inertia (Mechanics), Mooring, Simulation, Stiffness, Stress, Surges, Waves
Proceedings Papers

Extended Kalman Filtering for Estimating Drag and Inertia Coefficients for Slender Offshore Structures

Dhruv Bhagtani, Nilanjan Saha
Proc. ASME. OMAE2019, Volume 3: Structures, Safety, and Reliability, V003T02A053, June 9–14, 2019
Paper No: OMAE2019-96630
https://doi.org/10.1115/OMAE2019-96630
View Paper titled, Extended Kalman Filtering for Estimating Drag and Inertia Coefficients for Slender Offshore Structures
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Topics: Drag (Fluid dynamics), Filtration, Inertia (Mechanics), Offshore structures, Cylinders, Kalman filters, Dimensions, Dynamic response, Engineering prototypes, Linear wave theory
Proceedings Papers

Non-Linearly Restoring Performance and its Hysteresis Behavior of Dynamic Catenary

Yilun Li, Shuangxi Guo, Yue Kong, Min Li, Weimin Chen
Proc. ASME. OMAE2019, Volume 5A: Pipelines, Risers, and Subsea Systems, V05AT04A016, June 9–14, 2019
Paper No: OMAE2019-95651
https://doi.org/10.1115/OMAE2019-95651
View Paper titled, Non-Linearly Restoring Performance and its Hysteresis Behavior of Dynamic Catenary
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Topics: Damping, Displacement, Dynamic response, Dynamics (Mechanics), Energy consumption, Engineering simulation, Finite element methods, Finite element model, Fluid dynamics, Fluids
Proceedings Papers

Effect of Local Model Dynamics on Flexible Riser Tensile Armor Wire Stress Predictions

Gabriel Rombado, Krassimir Doynov, Nathan Cooke, Arya Majed
Proc. ASME. OMAE2019, Volume 5A: Pipelines, Risers, and Subsea Systems, V05AT04A008, June 9–14, 2019
Paper No: OMAE2019-95303
https://doi.org/10.1115/OMAE2019-95303
View Paper titled, Effect of Local Model Dynamics on Flexible Riser Tensile Armor Wire Stress Predictions
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Topics: Armor, Dynamics (Mechanics), Flexible risers, Stress, Wire, Finite element model, Simulation, Computation, Waves, Fatigue
Proceedings Papers

URANS Predictions of Low-Frequency Damping of a LNGC

Frédérick Jaouën, Arjen Koop, Lucas Vatinel
Proc. ASME. OMAE2019, Volume 2: CFD and FSI, V002T08A033, June 9–14, 2019
Paper No: OMAE2019-95171
https://doi.org/10.1115/OMAE2019-95171
View Paper titled, URANS Predictions of Low-Frequency Damping of a LNGC
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Topics: Damping, Computational fluid dynamics, Flow (Dynamics), Offshore structures, Stress, Waves, Engineering simulation, Simulation, Surges, Hydrodynamics
Proceedings Papers

Dynamics of an Array of Submersible Mussel Rafts in Waves and Current

Tobias Dewhurst, Spencer T. Hallowell, Carter Newell
Proc. ASME. OMAE2019, Volume 7A: Ocean Engineering, V07AT06A045, June 9–14, 2019
Paper No: OMAE2019-96388
https://doi.org/10.1115/OMAE2019-96388
View Paper titled, Dynamics of an Array of Submersible Mussel Rafts in Waves and Current
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Topics: Dynamics (Mechanics), Mooring, Submersibles, Waves, Finite element analysis, Computer simulation, Corners (Structural elements), Currents, Dynamic systems, Inertia (Mechanics)
Proceedings Papers

System Based Prediction of Ship’s Manoeuverability in Varying Water Depth Area

Shi He, Atilla Incecik, Zhiming Yuan, Paula Kellett
Proc. ASME. OMAE2019, Volume 7B: Ocean Engineering, V07BT06A044, June 9–14, 2019
Paper No: OMAE2019-95868
https://doi.org/10.1115/OMAE2019-95868
View Paper titled, System Based Prediction of Ship’s Manoeuverability in Varying Water Depth Area
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Topics: Water, Hull, Propellers, Ships, Degrees of freedom, Inertia (Mechanics), Simulation, Strips, Tankers, Vessels