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Crack-microcracks interactions using a semi-empirical approach

机译:使用半经验方法的裂纹微裂纹相互作用

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摘要

In this study, interaction between a main crack and a surrounding layer of microcracks is considered. A stress field distribution induced during these interactions is obtained using a semi-empirical approach (SEA), which relies on the Green's functions. The effect of amplification and shielding on the resulting stress field is shown, herein, through a study of mode I stress intensity factor (SIF). To quantify these effects, orientations as well as positions of microcracks with respect to the main crack are taken into consideration. Finally, the obtained results are compared and agreed with those of other researchers.
机译:在这项研究中,考虑了主裂纹和微裂纹周围层之间的相互作用。使用半经验方法(SEA)获得了在这些相互作用过程中引起的应力场分布,该方法依赖于格林函数。在本文中,通过对模式I应力强度因子(SIF)的研究显示了放大和屏蔽对所得应力场的影响。为了量化这些影响,考虑了微裂纹相对于主裂纹的方向和位置。最后,将所得结果与其他研究人员进行比较并达成共识。

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