Abstract
For a plane brittle failure wave in a material loaded by an elastic compression wave, an analytic solution is obtained on the basis of a model with a Drucker-Prager type condition and a given value of the failure wave propagation velocity. The wave failure model supplemented with threshold criteria is generalized to two-dimensional flows in breaking plates. Collision of glass plates with a rigid wall is modelled and three- and two-wave failure structures in the plate are obtained. Some data on the leading elastic wave decay and the arrest of the failure wave under the action of the overtaking unloading that propagates from the region of spread of the fractured material near the wall are obtained.
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