Abstract

The singular integral equations method is applied to the two-dimensional contact problem of an elastic half-plane with a surface crack and the opening behaviour of the surface crack is investigated. As the surface cracks, a straight crack and a curved crack are considered. In this analysis, the crack is replaced with the continuous array of edge dislocations and the boundary condition on the crack surface is reduced into a set of singular integral equations of the Cauchy type. It has been clarified that there are some cases where a straight crack opens at its mouth and a curved crack opens at its tip.

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