The prediction of deepwater riser Vortex Induced Vibrations (VIV) is one of the most challenging areas in the offshore industry. Numerous experimental and numerical studies have been performed in an effort to improve the understanding and prediction of cylinder VIV behavior. This paper presents the numerical simulation of rigid circular sections, both bare and fitted with strakes, using a second order accurate finite element computational fluid dynamics (CFD) method. Two turbulence models are examined: the Spalart-Allmaras Reynolds Averaged Navier Stokes (RANS) and the Detached Eddy Simulation (DES). Pragmatic high Reynolds number simulations of fixed and moving cylinders are presented and compared with laboratory experiments. Flow visualization provides insights on how strakes mitigate VIV. Comparisons between RANS and DES results are also presented and discussed.
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25th International Conference on Offshore Mechanics and Arctic Engineering
June 4–9, 2006
Hamburg, Germany
Conference Sponsors:
- Ocean, Offshore, and Arctic Engineering Division
ISBN:
0-7918-4749-7
PROCEEDINGS PAPER
Numerical Prediction of Bare and Straked Cylinder VIV Available to Purchase
Yiannis Constantinides,
Yiannis Constantinides
Chevron Energy Technology Company, Houston, TX
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Owen H. Oakley, Jr.
Owen H. Oakley, Jr.
Chevron Energy Technology Company, Houston, TX
Search for other works by this author on:
Yiannis Constantinides
Chevron Energy Technology Company, Houston, TX
Owen H. Oakley, Jr.
Chevron Energy Technology Company, Houston, TX
Paper No:
OMAE2006-92334, pp. 745-753; 9 pages
Published Online:
October 2, 2008
Citation
Constantinides, Y, & Oakley, OH, Jr. "Numerical Prediction of Bare and Straked Cylinder VIV." Proceedings of the 25th International Conference on Offshore Mechanics and Arctic Engineering. Volume 4: Terry Jones Pipeline Technology; Ocean Space Utilization; CFD and VIV Symposium. Hamburg, Germany. June 4–9, 2006. pp. 745-753. ASME. https://doi.org/10.1115/OMAE2006-92334
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