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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
Publisher: ASME
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
Publisher: American Society of Mechanical Engineers
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
Publisher: American Society of Mechanical Engineers
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
Publisher: American Society of Mechanical Engineers
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
Publisher: American Society of Mechanical Engineers
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

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
Publisher: American Society of Mechanical Engineers
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

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
Publisher: American Society of Mechanical Engineers
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

Submerged Production Unit: Design and Method for Launch and Tow to Field

Venkatesan Arumugam Elumalai, Sigbjørn Daasvatn, Daniel Karunakaran, Kjell Larsen, Bernt Johan Leira
Proc. ASME. OMAE2019, Volume 5A: Pipelines, Risers, and Subsea Systems, V05AT04A046, June 9–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2019-95291
https://doi.org/10.1115/OMAE2019-95291
View Paper titled, Submerged Production Unit: Design and Method for Launch and Tow to Field
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Topics: Design, Ocean engineering, Vessels, Buoyancy, Computer software, Construction, Cranes, Dynamic analysis, Fossil fuels, Glass reinforced plastics
Proceedings Papers

Experimental Investigation of Over-Trawlability of an Innovative Arctic Subsea Production Unit (SPU)

Jie Wu, Chittiappa Muthanna, Hagbart Alsos, Rasmus Juhlin, Daniel Karunakaran
Proc. ASME. OMAE2019, Volume 5B: Pipelines, Risers, and Subsea Systems, V05BT04A051, June 9–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2019-95503
https://doi.org/10.1115/OMAE2019-95503
View Paper titled, Experimental Investigation of Over-Trawlability of an Innovative Arctic Subsea Production Unit (SPU)
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Topics: Arctic region, Ocean engineering
Proceedings Papers

Feasibility Study of Selected Riser Concepts in Deep Water and Harsh Environment

Gilang Muhammad Gemilang, Daniel Karunakaran
Proc. ASME. OMAE2017, Volume 5B: Pipelines, Risers, and Subsea Systems, V05BT04A044, June 25–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2017-62453
https://doi.org/10.1115/OMAE2017-62453
View Paper titled, Feasibility Study of Selected Riser Concepts in Deep Water and Harsh Environment
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Topics: Pipeline risers, Risers (Casting), Water, Vessels, Buckling, Fatigue, Waves, Compression, Steel, Steel catenary risers
Journal Articles

Review of Steel Lazy Wave Riser Concepts for the North Sea

Airindy Felisita, Ove Tobias Gudmestad, Daniel Karunakaran, Lars Olav Martinsen
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research-Article
J. Offshore Mech. Arct. Eng. February 2017, 139(1): 011702.
Paper No: OMAE-15-1040
https://doi.org/10.1115/1.4034822
Published Online: October 20, 2016
View Article titled, Review of Steel Lazy Wave Riser Concepts for the North Sea
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Topics: Pipeline risers, Risers (Casting), Waves, Arches
Proceedings Papers

Hydrodynamic Behavior of an Ultra-Deep Water Decoupled Buoy Supporting Risers

Cláudia Claro, Ivan Cruz, Daniel Karunakaran, Gustavo Hepener, Chunqun Ji, Yun Ding, Chunfa Wu, Jule Scharnke, Jaap de Wilde, Ricardo Franciss
Proc. ASME. OMAE2016, Volume 1: Offshore Technology; Offshore Geotechnics, V001T01A004, June 19–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2016-54300
https://doi.org/10.1115/OMAE2016-54300
View Paper titled, Hydrodynamic Behavior of an Ultra-Deep Water Decoupled Buoy Supporting Risers
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Topics: Buoys, Pipeline risers, Risers (Casting), Water, Design, FPSO, Hull, Hybrid risers, Ocean engineering
Proceedings Papers

A Review of VIV Responses of Steel Lazy Wave Riser

Airindy Felisita, Ove T. Gudmestad, Daniel Karunakaran, Lars Olav Martinsen
Proc. ASME. OMAE2016, Volume 2: CFD and VIV, V002T08A031, June 19–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2016-54321
https://doi.org/10.1115/OMAE2016-54321
View Paper titled, A Review of VIV Responses of Steel Lazy Wave Riser
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Topics: Pipeline risers, Risers (Casting), Steel, Vortex-induced vibration, Waves, Water, Buoyancy, Fatigue life, Fatigue, Arches
Proceedings Papers

Steel Lazy Wave Riser Configuration for Turret Moored FPSO With Disconnectable Turret in Deepwater

Daniel Karunakaran, Sankar Subramanian, Rolf Baarholm
Proc. ASME. OMAE2015, Volume 5B: Pipeline and Riser Technology, V05BT04A038, May 31–June 5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2015-41800
https://doi.org/10.1115/OMAE2015-41800
View Paper titled, Steel Lazy Wave Riser Configuration for Turret Moored FPSO With Disconnectable Turret in Deepwater
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Topics: FPSO, Mooring, Pipeline risers, Risers (Casting), Steel, Waves, Deepwater development, Design, Geometry, Manufacturing
Proceedings Papers

Steel Lazy Wave Risers From Turret Moored FPSO for Deepwater Harsh Environment

Adekunle Peter Orimolade, Daniel Karunakaran, Trond Stokka Meling
Proc. ASME. OMAE2015, Volume 5B: Pipeline and Riser Technology, V05BT04A032, May 31–June 5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2015-41004
https://doi.org/10.1115/OMAE2015-41004
View Paper titled, Steel Lazy Wave Risers From Turret Moored FPSO for Deepwater Harsh Environment
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Topics: FPSO, Mooring, Pipeline risers, Risers (Casting), Steel, Waves, Stress, Vortex-induced vibration, Fatigue, Buoyancy
Proceedings Papers

Review of Steel Lazy Wave Riser Concepts for North Sea

Airindy Felisita, O. T. Gudmestad, Daniel Karunakaran, Lars Olav Martinsen
Proc. ASME. OMAE2015, Volume 5B: Pipeline and Riser Technology, V05BT04A035, May 31–June 5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2015-41182
https://doi.org/10.1115/OMAE2015-41182
View Paper titled, Review of Steel Lazy Wave Riser Concepts for North Sea
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Topics: North Sea, Pipeline risers, Risers (Casting), Steel, Waves, Buoyancy, Shapes, Fatigue, Stress, Dimensions
Proceedings Papers

Lifting Analysis of Subsea Framework Structures

Tor E. Søfteland, Odd V. Skrunes, Daniel Karunakaran
Proc. ASME. OMAE2014, Volume 1B: Offshore Technology, V01BT01A004, June 8–13, 2014
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2014-23816
https://doi.org/10.1115/OMAE2014-23816
View Paper titled, Lifting Analysis of Subsea Framework Structures
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Topics: Ocean engineering, Seas, Cylinders, Design, Fluid-dynamic forces, Stress
Proceedings Papers

Upheaval Creep of Rock Dumped Flexible Flowline

Yang Zhengmao, Kristian Norland, Neil Brown, Daniel Karunakaran
Proc. ASME. OMAE2014, Volume 6A: Pipeline and Riser Technology, V06AT04A046, June 8–13, 2014
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2014-23673
https://doi.org/10.1115/OMAE2014-23673
View Paper titled, Upheaval Creep of Rock Dumped Flexible Flowline
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Topics: Creep, Rocks, Buckling, Temperature, Finite element analysis, Pressure, Computer software, Cycles, Pipes, Stiffness
Proceedings Papers

COBRA Riser Concept for Ultra Deepwater Condition

Tomy Nurwanto, Daniel Karunakaran, Ricardo Franciss
Proc. ASME. OMAE2013, Volume 4B: Pipeline and Riser Technology, V04BT04A030, June 9–14, 2013
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2013-11161
https://doi.org/10.1115/OMAE2013-11161
View Paper titled, COBRA Riser Concept for Ultra Deepwater Condition
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Topics: Pipeline risers, Risers (Casting), Vessels, Hybrid risers, Vortex-induced vibration, Design, Fatigue, Water, Buckling, Buoyancy
Proceedings Papers

Global Buckling of a Pre-Pressurized Flexible Flowline

Zhengmao Yang, Daniel Karunakaran
Proc. ASME. OMAE2013, Volume 4A: Pipeline and Riser Technology, V04AT04A018, June 9–14, 2013
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2013-10155
https://doi.org/10.1115/OMAE2013-10155
View Paper titled, Global Buckling of a Pre-Pressurized Flexible Flowline
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Topics: Buckling, Rocks, High pressure (Physics), Pipes, Pressure, Temperature, Bending (Stress), Design, Elongation, North Sea