A phase field model with the mixed-mode driving force of power-law relation

Hongjun Yu,Liulei Hao,Rilin Shen,Licheng Guo,Zhen Shen,Yukun Li

Engineering Fracture Mechanics（2022）

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摘要

•A phase field model with mixed-mode driving force of power-law relation is proposed.•The modified model can take into account the weight of GC for mode I and II fracture.•The modified model can predict a pure mode-II crack growth in a single material.•Different brittle or tough crack behavior can be shown by altering the mixity factor.

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关键词

Phase field model,Power-law factor,Crack driving force,Critical energy release rate,Mixed-mode fracture

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