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In-Line Motion of Subsea Pipeline Span Models Experiencing Vortex-Shedding

[+] Author Affiliations
Li Lee, Don Allen, Juan P. Pontaza

Shell Global Solutions (US) Inc., Houston, TX

Frans Kopp, Vikas Jhingran

Shell International Exploration and Production, Inc., Houston, TX

Paper No. OMAE2009-79084, pp. 269-276; 8 pages
  • ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 5: Polar and Arctic Sciences and Technology; CFD and VIV
  • Honolulu, Hawaii, USA, May 31–June 5, 2009
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4345-1 | eISBN: 978-0-7918-3844-0
  • Copyright © 2009 by Shell Oil Company


Subsea pipeline spans, when experiencing bottom ocean currents, are prone to vortex-induced vibration (VIV). Experiments and computational fluid dynamics (CFD) are conducted to evaluate the effects of the pipe stiffness on its first mode in-line VIV motion, primarily in the reduced velocity range from approximately 1.0 to 4.0. Experimental results also indicated that there was obliqueness in motion trajectories, which could have impacts on VIV design of the free spans. The main findings of this investigation are presented in this paper.

Copyright © 2009 by Shell Oil Company



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