Response Statistics of Tension Leg Platforms Under Wind Loads

by Jun Zhao,
Ahsan Kareem,

Document Type: Proceeding Paper

Part of: Civil Engineering in the Oceans V


This paper presents the direct integration method and Kac-Siegert technique to solve the first four cumulants in the general quadratic systems, and proposes the splitting technique to deal with the fluid-structure interaction problem. The response statistics of tension leg platforms (TLPs) subjected to wind loads, are solved up to the fourth-order cumulant (kurtosis). Based on the first four cumulants, various methods for the non-Gaussian distribution have been compared with the simulation result.

Subject Headings: Wind loads | Statistics | Tension members | Offshore platforms | Ultimate strength | Load factors | Structural response | Fluid-structure interaction

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