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Dynamic Analysis of a Tension Leg Platform Under Combined Wind and Wave Loads Within the Typhoon Area

[+] Author Affiliations
Bin Wang, Yougang Tang, Wei Li, Jiawei Zhai

Tianjin University, Tianjin, China

Paper No. OMAE2016-54576, pp. V007T06A059; 6 pages
doi:10.1115/OMAE2016-54576
From:
  • ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 7: Ocean Engineering
  • Busan, South Korea, June 19–24, 2016
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4998-9
  • Copyright © 2016 by ASME

abstract

The dynamic analysis of a Tension Leg Platform (TLP) is investigated by combining wind and wave loads within the typhoon area. By considering different typhoon parameters, such as the tangential velocity, the radius of maximum velocity, the translational direction and velocity, the model of typhoon is established. The wave height and period are obtained by the empirical formula related to the parameters of typhoon. The nonlinear restoring stiffness of TLP is derived with the set-down motion of platform and the coupled motion of the tension leg and platform. The results in this paper indicates that typhoon has a major impact on the safety of the platform in production operation, and it is also a threat to the strength of tension legs and risers.

Copyright © 2016 by ASME

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