A truncated steel catenary riser (SCR) model was experimentally tested in the ocean basin by oscillating the top end of the model to simulate the heave and surge vessel motion in order to investigate the vortex-induced vibration (VIV) features. Out-of-plane VIV responses were generally analyzed revealing that although the root mean square (RMS) strain distributed rather broadband, the displacement was quite consistent within a narrowband from 0.2D to 0.3D, and the touch-down point (TDP) area was found not to be the place suffering the maximum out-of-plane VIV response due to near wall effects. What’s more, strong wave propagations were firstly reported and summarized as a distinguished feature for VIV of a SCR under vessel motions, and further results reveal that wave propagation during the ‘lift up’ phase was quite different from that during ‘push down’ in terms of both wave speed and ‘power-in’ region location which is assumed to be caused by the tension variation along the model.
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ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering
June 8–13, 2014
San Francisco, California, USA
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-4540-0
PROCEEDINGS PAPER
Vortex-Induced Vibration of Steel Catenary Riser Under Vessel Motion
Jungao Wang,
Jungao Wang
Shanghai Jiao Tong University, Shanghai, China
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Shixiao Fu,
Shixiao Fu
Shanghai Jiao Tong University, Shanghai, China
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Rolf Baarholm
Rolf Baarholm
Statoil, Trondheim, Norway
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Jungao Wang
Shanghai Jiao Tong University, Shanghai, China
Shixiao Fu
Shanghai Jiao Tong University, Shanghai, China
Rolf Baarholm
Statoil, Trondheim, Norway
Paper No:
OMAE2014-23584, V002T08A035; 9 pages
Published Online:
October 1, 2014
Citation
Wang, J, Fu, S, & Baarholm, R. "Vortex-Induced Vibration of Steel Catenary Riser Under Vessel Motion." Proceedings of the ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. Volume 2: CFD and VIV. San Francisco, California, USA. June 8–13, 2014. V002T08A035. ASME. https://doi.org/10.1115/OMAE2014-23584
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