Dynamic Crack Stability
This work is a study of the stability of a straight dynamically propagating crack to small perturbation of its path. Obrezanova et al. in  investigated stability of a crack propagating through an infinite elastic medium loaded by remote body forces following the crack as it advances. Here we extend the study to the case when the crack faces are subjected to given tractions in addition to a remote loading. We present formulae for the general case and consider a particular example when the crack is loaded by point force tractions on the crack faces.
KeywordsDynamic stress intensity factors asymptotic analysis crack stability
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