構造と流体の連成を考慮した水塊の衝突現象に関する基礎的研究 : シミュレーションプログラムの開発および簡易形状による検討

概要

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Damage examples of hatch covers under green seas and bow flare subjected to slamming are reported. Studies on the phenomena and strength evaluation method have been carried out. In these phenomena, external force to cause the structure damage comes from collision between hull structure and water around it. And the structural deformation and hydrodynamic pressure are so closely related with each other that a fluid-structure dynamics interaction must be considered. However, most of these studies so far do not take the influence of the interaction into accounts. In this study, we developed a fluid-structure dynamics interaction computer program for fundamental study of these phenomena. Some calculations were carried out for collision of a 2-D flat plate with water. The effect of collision speed, stiffness of structure, and structure mass on pressure and structural deformation is discussed.
社団法人日本船舶海洋工学会の論文
2001-09-25