計算力学講演会講演論文集
Online ISSN : 2424-2799
セッションID: OS-0313
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超弾性体の大変形を伴うトポロジー最適化に対する感度分析
*葦刈 佑季崔 羿高橋 徹松本 敏郎
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This research tackles topology optimization challenges with large deformation in hyperelastic materials. Utilizing nonlinear response characteristics and significant deformation capabilities, we introduced a novel sensitivity analysis method. large deformation finite element analysis was combined with an updating method using a reaction-diffusion equation (RDE) and SIMP (Solid Isotropic Material with Penalization) method. The optimization targeted the minimization of shape compliance. By assuming linear elasticity for sensitivity analysis to reduce computational cost, the optimal topology was determined, validating the effectiveness of the proposed method. This study contributes to the structural optimization design in hyperelastic materials and offers new paths for future applications.

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