Abstract
The interaction between a crack and an arbitrarily shaped hole under stress and displacement boundaries in an infinite plane subjected to a remote uniform load is studied. The Green’s functions of a point dislocation for the problems are derived and are then used to analyze the interaction problem. The superposition principle is employed to reduce the original problem to two subsidiary problems. The complex stress functions of each problem are composed of two parts, in which the second parts are always holomorphic. Using analytical continuation in conjunction with rational mapping function, the stress functions are obtained in closed form. The interaction of a hole or an inclusion with a crack is solved using dislocations to model the crack and solving a system of singular integral equations. Stress intensity factors for crack tips and stress concentration factors for inclusion corner are determined and plotted for various cases. The affecting ranges of hole and inclusion are investigated.
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Hasebe, N., Wang, X. & Kondo, M. Interaction between crack and arbitrarily shaped hole with stress and displacement boundaries. Int J Fract 119, 83–102 (2003). https://doi.org/10.1023/A:1023979717528
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DOI: https://doi.org/10.1023/A:1023979717528