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Dynamic Response of SPAR in Internal Solitary Waves

[+] Author Affiliations
Yan Qu, Zhijun Song

Research Institute of CNOOC, Beijing, China

Bin Teng

Dalian University of Technology, Dalian, Liaoning, China

Yunxiang You

Shanghai Jiaotong University, Shanghai, China

Paper No. OMAE2011-49413, pp. 347-354; 8 pages
  • ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 1: Offshore Technology; Polar and Arctic Sciences and Technology
  • Rotterdam, The Netherlands, June 19–24, 2011
  • ISBN: 978-0-7918-4433-5
  • Copyright © 2011 by ASME


Internal solitary wave is considered as a potential hazard environmental condition to the floating structures in South China Sea. This paper presents results of the dynamic response analysis of a SPAR in internal solitary waves (ISW). Mathematical model of the ISW is selected to simulate the current process induced by the ISW. The result shows that the Korteweg–de Vries (KdV) gives rational result compared with the Modified Korteweg–de Vries (MKdV) equation. Dynamic motion of SPAR were estimated by using the current profile derived from KDV theory, load determined by Morrison equation and the nonlinear model of the mooring system.

Copyright © 2011 by ASME



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