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A new integral equation formulation for the analysis of crack-inclusion interactions

机译:用于分析裂纹-夹杂物相互作用的新积分方程公式

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摘要

A new integral equation method for the analysis of the interactions between cracks and elastic inclusions embedded in a two-dimensional, linearly elastic, isotropic infinite medium subjected to in-plane force is presented. By distributing dislocations along the crack lines and forces along the matrix-inclusion interfaces, a set of coupled integral equations is obtained. The discretization procedure of the integrals involved is discussed and the relations between the stress intensity factors and the values of the dislocation functions at the respective crack tips are derived. Several sample problems are presented in order to determine the versatility and the accuracy of this approach.
机译:提出了一种新的积分方程方法,用于分析嵌入在面内力作用下的二维线性弹性各向同性无限介质中的裂纹和弹性夹杂物之间的相互作用。通过沿裂纹线分布位错和沿矩体夹杂物界面的力分布,得到了一组耦合积分方程。讨论了所涉及积分的离散化过程,推导了应力强度因子与各裂纹尖端位错函数值之间的关系。为了确定这种方法的多功能性和准确性,提出了几个示例问题。

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