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  • Summary & Details

Study on Crash CAE Methods for Aluminum Die-Cast Components

アルミダイキャスト時代に備えたCAE技術研究

Detailed Information

Category(J)PPT資料

Translation

Category(E)PPT slides
Author(J)1) 深川 健一朗
Author(E)1) Kenichiro Fukagawa
Affiliation(J)1) 本田技研工業株式会社
Affiliation(E)1) Honda Motor Co., Ltd.
Abstract(J)自動車へのアルミダイキャスト適用拡大に対応するための衝突CAEモデリング検討を行った。部品形状・素材特性や主要変形・破断モード、計算精度・速度・作成時間・モデルサイズのバランスを考慮しTetra Solid 2次要素、Cockcroft延性破断モデルを採用した。結果、落錘試験再現計算で初期ピーク荷重・エネルギ吸収量誤差18%を達成した。

Translation

Abstract(E)To support the expanded application of aluminum die cast components in automobiles, a study on crash CAE modeling was conducted. Considering component geometry and material properties, dominant deformation and fracture modes, and the balance among computational accuracy, computational efficiency, model preparation time, and model size, second-order tetrahedral solid elements and the Cockcroft ductile fracture model were adopted. As a result, a drop-weight test simulation achieved an 18% error in reproducing the initial peak load and energy absorption.

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