Abstract

In this study, the ability of two criteria, the maximum tangential strain energy density criterion and the maximum tangential strain criterion for sharp V-shaped notches, were evaluated. These two criteria in the crack can be employed within the entire range of the mixed-mode loading from pure mode I to pure mode II and provide acceptable results. However, these criteria have been less examined for the notch. The outcomes of these criteria for V-shaped notches were then compared with each other and with experimental results. The results of both criteria for different notch vertex angles within a wide range of mixed-mode I/II loading showed good convergence with experimental results.

中文翻译：

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比较基于能量的准则与基于应变的准则在混合模式 I/II 加载条件下预测 V 形缺口脆性断裂

摘要

在这项研究中，评估了两个准则的能力，最大切向应变能量密度准则和最大切向应变准则对尖锐 V 形缺口的能力。裂纹中的这两个标准可以在从纯模式 I 到纯模式 II 的整个混合模式加载范围内使用，并提供可接受的结果。然而，这些标准对缺口的检查较少。然后将这些 V 形缺口标准的结果相互比较并与实验结果进行比较。在广泛的混合模式 I/II 载荷范围内，不同凹口顶角的两个标准的结果与实验结果显示出良好的收敛性。