A novel approach to calculate the kiii factor for a crack on a sharp corner using green's function

Krzysztof Lech Molski,Łukasz Derpeński,Jarosław Szusta,Özler Karakaş

International Journal of Fatigue（2022）

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摘要

•Green’s function is determined for calculating the KIII factor for a crack.•A new approach which uses FEM to find Green’s function is proposed.•Numerical results were validated by comparison to exact values according to Sih.•Results show that the estimation error is acceptably small (%3).

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关键词

Stress intensity factors,Green's function,Numerical calculation,Anti-plane strain state,Sharp notch

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