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  • Summary & Details

High-resolution Topology Optimization of Instrument Panel Beams

インストルメントパネルビームの高解像度トポロジー最適化

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Category(J)論文

Translation

Category(E)Paper
Author(J)1) 和田 有司, 2) 樫山 武士, 3) 長坂 圭, 4) 西口 浩司, 5) 岡澤 重信, 6) 坪倉 誠
Author(E)1) Yuji Wada, 2) Takeshi Kashiyama, 3) Kei Nagasaka, 4) Koji Nishiguchi, 5) Shigenobu Okazawa, 6) Makoto Tsubokura
Affiliation(J)1) 東京科学大学, 2) スズキ株式会社, 3) スズキ株式会社, 4) 名古屋大学大学院・理化学研究所, 5) 山梨大学, 6) 理化学研究所・神戸大学
Abstract(J)車体前部のインストルメントパネルビームは中空管がよく採用されるが部品点数の低減を目的として,近年では一体成型が検討される部材である.CUBEフレームワーク下でボクセルトポロジー最適化を実施し,得られた形状と既存部品の比較を行うことで剛性性能や薄板製造制約による製造可能性について検討する.

Translation

Abstract(E)Stiffness maximization for multiple load cases considering eigenfrequency maximization and plate manufacturing constraint are performed on an instrument panel beam member using a building cube method-based voxel topology optimization framework. One hundred million degrees of freedom finite element analysis was performed in the Fugaku supercomputer environment. The stiffness performance, eigenfrequency and manufacturing feasibility of the optimal shape is compared with the existing parts. Plate constraint and eigenvalue maximization leads 10% decrease in the specified stiffness performance compared to static stiffness maximization, however the optimal shapes have a closed cross-sectional structure and is considered to have robust stiffness performance.

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