NUMERICAL ANALYSIS OF TWO-DIMENSIONAL WAVE MOTION USING LAGRANGIAN DESCRIPTION

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  • Lagrange 表記による二次元波動の数値解析
  • Lagrange表記による2次元波動の数値解析
  • Lagrange ヒョウキ ニ ヨル 2ジゲン ハドウ ノ スウチ カイセキ

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Abstract

The Lagrangian coordinate system has a notable advantage in the description of surface conditions which essentially prescribe the dynamics of water waves, although some difficulties are involved in numerical solution of equations. In this context, two alternative schemes (velocity and pressure formulations) are presented for analyzing two-dimensional transformation of water waves. Their usefulness is examined through application to the resonant behavior of sloshing waves as well as to the breaking of a solitary wave.

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