G1305 レベルセット関数を利用した流体構造連成解析における界面の扱いに対する検討(2)(GS13 数値シミュレーション,一般セッション)

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  • G1305 Investigation into Interface Treatment in Fluid-Structure Coupling Method with Level Set Function(2)

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A fluid-structure coupling approach based on level set function is proposed in order to solve large deformation problems that are difficult to interface tracking method, such as ALE (Arbitrary Lagrangian-Eulerian) method. The fluid flow field is solved by using fixed mesh because the level set function can describe a complicated geometrical shape in analysis grids easily. In this study, kinematrical condition treatment with virtual particles is introduced at the fluid-structure interface and iterative computation based on a partitoned solution method is implemented.

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