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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
Publisher: American Society of Mechanical Engineers
Proc. ASME. OMAE2023, Volume 5: Ocean Engineering, V005T06A060, June 11–16, 2023
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

Evaluation of VIV Prediction Practice of Deep-Water Steel Lazy Wave Risers (SLWRs)

Jie Wu, Fengjian Jiang, Halvor Lie, Elizabeth Passano, Decao Yin, Svein Sævik, Guttorm Grytøyr, Brendan Francis Hogg, Themistocles Resvanis, Kim Vandiver
Publisher: American Society of Mechanical Engineers
Proc. ASME. OMAE2023, Volume 7: CFD & FSI, V007T08A033, June 11–16, 2023
Paper No: OMAE2023-105583
https://doi.org/10.1115/OMAE2023-105583
View Paper titled, Evaluation of VIV Prediction Practice of Deep-Water Steel Lazy Wave Risers (SLWRs)
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Topics: Pipeline risers, Risers (Casting), Steel, Vortex-induced vibration, Water, Waves
Proceedings Papers

A Methodology for Tuning of Computational Vessel Models Utilizing Wave Measurements From X-Band Marine Radar and Wave Buoy

Gowtham Radhakrishnan, Bernt J. Leira, Zhen Gao, Svein Sævik, Karl E. Kaasen, Konstantinos Christakos, Johann A. Dirdal
Publisher: American Society of Mechanical Engineers
Proc. ASME. OMAE2023, Volume 2: Structures, Safety, and Reliability, V002T02A010, June 11–16, 2023
Paper No: OMAE2023-104492
https://doi.org/10.1115/OMAE2023-104492
View Paper titled, A Methodology for Tuning of Computational Vessel Models Utilizing Wave Measurements From X-Band Marine Radar and Wave Buoy
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Topics: Buoys, Entropy, Radar, Vessels, Waves
Proceedings Papers

Lateral Buckling of Tensile Armor Wires in Flexible Pipe Subject to Axial Compressive and Cyclic Bending Load

Naiquan Ye, Guomin Ji, Svein Sævik
Publisher: American Society of Mechanical Engineers
Proc. ASME. OMAE2023, Volume 3: Materials Technology; Pipelines, Risers, and Subsea Systems, V003T04A013, June 11–16, 2023
Paper No: OMAE2023-104823
https://doi.org/10.1115/OMAE2023-104823
View Paper titled, Lateral Buckling of Tensile Armor Wires in Flexible Pipe Subject to Axial Compressive and Cyclic Bending Load
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Topics: Armor, Buckling, Compression, Pipes, Stress, Wire
Journal Articles

Wave Effects on Vortex-Induced Vibrations of a Top-Tensioned Riser

Decao Yin, Jie Wu, Halvor Lie, Elizabeth Passano, Svein Saevík, Guttorm Grytoøyr, Michael A. Tognarelli, Torgrim Andersen, Ragnar Igland, Daniel Karunakaran, Collin Gaskill
Journal: Journal of Offshore Mechanics and Arctic Engineering
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. August 2023, 145(4): 041901.
Paper No: OMAE-22-1078
https://doi.org/10.1115/1.4056521
Published Online: January 9, 2023
View Article titled, Wave Effects on Vortex-Induced Vibrations of a Top-Tensioned Riser
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Topics: Pipeline risers, Top-tensioned risers, Vortex-induced vibration, Waves, Displacement, Stress, Risers (Casting)
Proceedings Papers

Time Domain Prediction of VIV Responses in Oscillatory Flow Conditions

Jie Wu, Decao Yin, Jingzhe Jin, Halvor Lie, Elizabeth Passano, Svein Sævik, Guttorm Grytøyr, Michael A. Tognarelli, Daniel Karunakaran, Torgrim Andersen, Ragnar Igland
Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A030, June 5–10, 2022
Paper No: OMAE2022-79191
https://doi.org/10.1115/OMAE2022-79191
View Paper titled, Time Domain Prediction of VIV Responses in Oscillatory Flow Conditions
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Topics: Flow (Dynamics), Pipeline risers, Risers (Casting), Steel catenary risers, Vortex-induced vibration, Waves
Proceedings Papers

Vortex-Induced Vibrations of a Top-Tensioned Riser in Combined Currents and Waves

Decao Yin, Jie Wu, Halvor Lie, Elizabeth Passano, Svein Sævik, Guttorm Grytoyr, Michael A. Tognarelli, Torgrim Andersen, Ragnar Igland, Daniel Karunakaran, Collin Gaskill
Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A028, June 5–10, 2022
Paper No: OMAE2022-79033
https://doi.org/10.1115/OMAE2022-79033
View Paper titled, Vortex-Induced Vibrations of a Top-Tensioned Riser in Combined Currents and Waves
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Topics: Currents, Top-tensioned risers, Vortex-induced vibration, Waves, Pipeline risers, Risers (Casting), Stress, Vessels, Dynamic response, Computer simulation
Proceedings Papers

VIV Responses of a Drilling Riser Subjected to Current and Top Motions

Jie Wu, Decao Yin, Jingzhe Jin, Halvor Lie, Elizabeth Passano, Svein Sævik, Michael A. Tognarelli, Guttorm Grytoyr, Ragnar Igland, Daniel Karunakaran, Torgrim Anderson, Collin Gaskill
Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A029, June 5–10, 2022
Paper No: OMAE2022-79180
https://doi.org/10.1115/OMAE2022-79180
View Paper titled, VIV Responses of a Drilling Riser Subjected to Current and Top Motions
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Topics: Pipeline risers, Vortex-induced vibration, Flow (Dynamics), Stress, Engineering design processes, Marine structures, Ocean currents, Vessels, Waves
Proceedings Papers

Application of Optimization Algorithm on Parameters of an Empirical VIV Prediction Tool

Decao Yin, Jie Wu, Halvor Lie, Jingzhe Jin, Elizabeth Passano, Svein Sævik, Solve Eidnes, Guttorm Grytoyr, Michael A. Tognarelli, Torgrim Andersen, Ragnar Igland, Daniel Karunakaran, Collin Gaskill
Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A026, June 5–10, 2022
Paper No: OMAE2022-79015
https://doi.org/10.1115/OMAE2022-79015
View Paper titled, Application of Optimization Algorithm on Parameters of an Empirical VIV Prediction Tool
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Topics: Optimization algorithms, Vortex-induced vibration, Cross-flow, Algorithms, Computer simulation, Databases, Marine structures, Optimization, Safety, Uncertainty
Proceedings Papers

Motion Response Prediction of Marine Vessels Based on Hydrodynamic Models Updated Through On-Site Measurements

Gowtham Radhakrishnan, Bernt J. Leira, Zhen Gao, Svein Sævik, Alojz Gomola
Proc. ASME. OMAE2022, Volume 2: Structures, Safety, and Reliability, V002T02A018, June 5–10, 2022
Paper No: OMAE2022-78912
https://doi.org/10.1115/OMAE2022-78912
View Paper titled, Motion Response Prediction of Marine Vessels Based on Hydrodynamic Models Updated Through On-Site Measurements
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Topics: Spectra (Spectroscopy), Vessels, Waves, Optimization, Uncertainty, Errors, North Sea, Ocean engineering, Physics
Proceedings Papers

Simulation of Trawl Board and Pipeline Pull-Over Interaction

Vegard Longva, Erik Levold, Håvar Ilstad, Svein Sævik, Frank Klæbo, Marie Finstad Opgård, Stefan Arenfeldt Vilsen
Proc. ASME. OMAE2022, Volume 3: Materials Technology; Pipelines, Risers, and Subsea Systems, V003T04A027, June 5–10, 2022
Paper No: OMAE2022-79928
https://doi.org/10.1115/OMAE2022-79928
View Paper titled, Simulation of Trawl Board and Pipeline Pull-Over Interaction
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Topics: Pipelines, Simulation, Stress, Finite element model, Lumber, Flumes, Interpolation, Ropes, Seabed, Steel
Proceedings Papers

Optimization of Hydrodynamic Coefficients for VIV Prediction

Decao Yin, Jie Wu, Halvor Lie, Jingzhe Jin, Elizabeth Passano, Svein Saevik, Signe Riemer-Sorenson, Anne Marthine Rustad, Michael A. Tognarelli, Guttorm Grytyr, Torgrim Andersen, Daniel Karunakaran, Ragnar Igland, Collin Gaskill
Proc. ASME. OMAE2021, Volume 8: CFD and FSI, V008T08A025, June 21–30, 2021
Paper No: OMAE2021-63890
https://doi.org/10.1115/OMAE2021-63890
View Paper titled, Optimization of Hydrodynamic Coefficients for VIV Prediction
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Topics: Optimization, Vortex-induced vibration, Flow (Dynamics), Pipeline risers, Risers (Casting), Algorithms, Databases, Nonlinear programming, Ocean engineering, Computer software
Proceedings Papers

System Uncertainty Effects on the Wave Frequency Response Of Floating Vessels Based on Polynomial Chaos Expansion

Gowtham Radhakrishnan, Xu Han, Svein Sævik, Zhen Gao, Bernt Johan Leira
Proc. ASME. OMAE2021, Volume 2: Structures, Safety, and Reliability, V002T02A016, June 21–30, 2021
Paper No: OMAE2021-62542
https://doi.org/10.1115/OMAE2021-62542
View Paper titled, System Uncertainty Effects on the Wave Frequency Response Of Floating Vessels Based on Polynomial Chaos Expansion
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Topics: Chaos, Frequency-domain analysis, Polynomials, Sensitivity analysis, Uncertainty, Vessels, Wave frequency
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
Journal Articles

Simulating High-Mode Vortex-Induced Vibration of a Riser in Linearly Sheared Current Using an Empirical Time-Domain Model

Sang Woo Kim, Svein Sævik, Jie Wu, Bernt Johan Leira
Journal: Journal of Offshore Mechanics and Arctic Engineering
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. August 2021, 143(4): 041901.
Paper No: OMAE-20-1127
https://doi.org/10.1115/1.4049246
Published Online: January 12, 2021
View Article titled, Simulating High-Mode Vortex-Induced Vibration of a Riser in Linearly Sheared Current Using an Empirical Time-Domain Model
Open the PDF for Simulating High-Mode Vortex-Induced Vibration of a Riser in Linearly Sheared Current Using an Empirical Time-Domain Model in another window
Topics: Fatigue damage, Pipeline risers, Risers (Casting), Stress, Vortex-induced vibration, Tension, Simulation
Proceedings Papers

Time Domain VIV Analysis Tool VIVANA-TD: Validations and Improvements

Jie Wu, Jingzhe Jin, Decao Yin, Halvor Lie, Elizabeth Passano, Svein Sævik, Michael A. Tognarelli, Guttorm Grytøyr, Torgrim Andersen, Daniel Karunakaran, Ragnar Igland
Proc. ASME. OMAE2020, Volume 8: CFD and FSI, V008T08A031, August 3–7, 2020
Paper No: OMAE2020-18759
https://doi.org/10.1115/OMAE2020-18759
View Paper titled, Time Domain VIV Analysis Tool VIVANA-TD: Validations and Improvements
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Topics: Pipeline risers, Risers (Casting), Steel, Vortex-induced vibration, Waves
Proceedings Papers

A Sensitivity Study of Vessel Hydrodynamic Model Parameters

Xu Han, Svein Sævik, Bernt Johan Leira
Proc. ASME. OMAE2020, Volume 1: Offshore Technology, V001T01A039, August 3–7, 2020
Paper No: OMAE2020-19039
https://doi.org/10.1115/OMAE2020-19039
View Paper titled, A Sensitivity Study of Vessel Hydrodynamic Model Parameters
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Topics: Vessels, Computer simulation, Decision making, Energy industry, Inspection, Life extension, Maintenance, Uncertainty, Waves
Proceedings Papers

Simulating High Mode Vortex Induced Vibration of Riser in Linear Sheared Current Using an Empirical Time Domain Model

Sang Woo Kim, Svein Sævik, Jie Wu
Proc. ASME. OMAE2020, Volume 1: Offshore Technology, V001T01A020, August 3–7, 2020
Paper No: OMAE2020-18271
https://doi.org/10.1115/OMAE2020-18271
View Paper titled, Simulating High Mode Vortex Induced Vibration of Riser in Linear Sheared Current Using an Empirical Time Domain Model
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Topics: Pipeline risers, Risers (Casting), Vortex-induced vibration, Vortex shedding, Cross-flow, Design, Fatigue damage, Flow (Dynamics), Fluid-dynamic forces, Industrial design
Journal Articles

Motion Feasibility Framework for Remotely Operated Vehicles Based on Dynamic Positioning Capability

Juan A. Ramírez-Macías, Rafael E. Vásquez, Asgeir J. Sørensen, Svein Sævik
Journal: Journal of Offshore Mechanics and Arctic Engineering
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. February 2021, 143(1): 011201.
Paper No: OMAE-19-1136
https://doi.org/10.1115/1.4047200
Published Online: June 8, 2020
View Article titled, Motion Feasibility Framework for Remotely Operated Vehicles Based on Dynamic Positioning Capability
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Topics: Remotely operated vehicles, Stress
Proceedings Papers

Multi-Objective Optimization Design of Flexible Risers Based on Bi-Scale Response Surface Models

Zhixun Yang, Jun Yan, Svein Sævik, Luqing Zhen, Naiquan Ye, Jinlong Chen, Qianjin Yue
Proc. ASME. OMAE2018, Volume 5: Pipelines, Risers, and Subsea Systems, V005T04A018, June 17–22, 2018
Paper No: OMAE2018-77947
https://doi.org/10.1115/OMAE2018-77947
View Paper titled, Multi-Objective Optimization Design of Flexible Risers Based on Bi-Scale Response Surface Models
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Topics: Design, Flexible risers, Pareto optimization, Response surface methodology, Optimization, Fatigue life, Bending strength, Computer simulation, Cross section (Physics), Load bearing capacity