三次元矩形タンク内の浅水波伝播に関する数値解析

概要

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In this paper, the Random Choice Method (RCM) based on one dimensional nonlinear hyperbolic systems is extended to two dimensional problems in order to simulate three dimensional phenomena of shallow water on the deck. Shipping of water frequently occurs on the deck of a small ship advancing in a rough sea. The deck water may decrease statical and dynamical stability of a small ship. Currently, the coupled motions of a ship taking account of six-degree of freedom are widely calculated. Therefore, the deck of a ship is considered as a three dimensional one like a rectangular tank for calculating the stability. The numerical analysis of shallow water wave propagation in the three dimensional rectangular tank is performed. The developed RCM is effective in reducing the calculating time and for faster convergence of the solutions.
社団法人日本船舶海洋工学会の論文
1994-09-04