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RESEARCH PAPERS: Offshore Mechanics

Wave Force Analysis by the Finite Element Method

[+] Author and Article Information
K. Imai, Y. Riho, T. Matsumoto, T. Takahashi, K. Bando

Kajima Corporation, Tobitakyu, Tokyo, Japan

J. Offshore Mech. Arct. Eng 109(4), 320-326 (Nov 01, 1987) (7 pages) doi:10.1115/1.3257027 History: Received March 30, 1986; Revised October 24, 1986; Online October 30, 2009

Abstract

The finite element method is applied to determine the wave forces and wave fields for various coastal and ocean structures. Wave diffraction and radiation problems are solved by the method. A special infinite element is implemented in a computer program to model an outer infinite sea area. The employed numerical examples are for a vertical breakwater, a gravity-type ocean platform and a floating rectangular caisson. All computed results are compared with ones from experiments and other numerical methods. As a result, it is concluded that the finite element method using infinite elements can give sufficient accuracy to be applicable to most practical structures in the ocean.

Copyright © 1987 by ASME
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