609 不規則分布多孔平板の2軸変形下における損傷状態の評価(応力集中問題)(OS.3 弾塑性材料のシミュレーションと実験)

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  • 609 Damage Evaluation for Randomly Perforated Sheets under Biaxial Deformation

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In order to evaluate damage state of randomly perforated sheets under biaxial deformation, a new method using the effective equivalent stress derived from the damage tensor, which is obtained by the stereological method, is proposed in this paper. Stress concentration around holes in a perforated sheet is also calculated by the FE analysis and the comparison is made between the effective equivalent stress and the results of the FE analysis

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