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    On Three-dimensional Effects in Propagation of Surface-breaking Cracks

    E. Schnack1, A. Dimitrov2, F.-G. Buchholz3

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.1, No.4, pp. 139-146, 2007, DOI:10.3970/icces.2007.001.139

    Abstract In fracture mechanics, we have to discuss corner and edge singularities for two- and three-dimensional problems in isotropic and layered anisotropic continua. To say something about the behavior of crack propagation starting from corners and edges, we need the information about stress asymptotics in the vicinity of three-dimensional corner points. Thus, in this paper we can study two aspects: the interface crack in layered unisotropic materials with re-entrant corners and surface cracks for the homogeneous isotropic continua. To study the effect of geometrical singularities on the stress intensity factors, we have to define generalized stress… More >

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