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A mode III arc-shaped crack with surface elasticity

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Abstract

We study the effect of surface elasticity on an arc-shaped crack in a linearly elastic isotropic homogeneous material under antiplane shear deformation. The surface mechanics is incorporated by using a continuum-based surface/interface model of Gurtin and Murdoch. We obtain a complete solution by reducing the problem to two decoupled first-order Cauchy-type singular integro-differential equations. It is shown that different from the case of a straight crack, the stresses exhibit both the weak logarithmic and the strong square root singularities at the tips of the arc crack.

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Wang, X. A mode III arc-shaped crack with surface elasticity. Z. Angew. Math. Phys. 66, 1987–2000 (2015). https://doi.org/10.1007/s00033-014-0482-x

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  • DOI: https://doi.org/10.1007/s00033-014-0482-x

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