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Interaction Between Waves and a Floating Body with Tension Legs

by Chung-Pan Lee, Natl Sun Yat-Sen Univ, Kaohsiung, Taiwan,
Jaw-Fang Lee, Natl Sun Yat-Sen Univ, Kaohsiung, Taiwan,



Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond

Abstract:

A boundary element method has been solved to the coupling problem of a two-dimensional tension leg platform interacting with a monochromatic wave train. In the boundary element calculation, the flow field is linearly decomposed into incident and disturbed potentials. The interaction of the flow and structural motion is decoupled by using the kinematic and dynamic boundary conditions on the structural surface, and iterative computation is circumvented. From present numerical results, the energy conservation can be achieved and the solution accuracy is secured.

Subject Headings: Boundary element method | Tension members | Offshore platforms | Water waves | Numerical methods | Water conservation | Structural members

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