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A Study on Analysis of Tsunami-induced Behaviors of a Floating Structure Using the 2-D MPS Method

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  • 2 次元MPS 法による岸壁近傍に設置された浮体式構造物の津波中挙動解析に関する研究
  • 2ジゲン MPSホウ ニ ヨル ガンペキ キンボウ ニ セッチ サレタ フタイシキ コウゾウブツ ノ ツナミ チュウ キョドウ カイセキ ニ カンスル ケンキュウ

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Abstract

The present paper describes the application of the moving particle semi-implicit method (MPS method) to a prediction of drifting distance and a collision force on a floating structure. Effectiveness of the application is verified.Calculation results of the MPS method are compared with solutions of the Stokes theory and corresponding experimental results in a wave tank. Solitary waves are applied to simulated tsunamis in numerical simulations and to the model experiment. A corresponding floating body is a pontoon type in this study. Tsunami propagation, the grounding on a wharf of the floating body,drifting of the floating body and a collision force of the floating body to a fixed wall is used to validation of the MPS method. From the comparison between the numerical simulation results and the experimental results, the applicability of the MPS method is discussed.

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