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The issue of determining material parameters and scalar functions in models and criteria of dynamic spallation fracture is discussed. An experimental-theoretical methodology to obtain them for the dynamics of failing elastoplastic media is presented, which consists in analyzing inverse problems. The methodology involves testing specimens of the studied material, using special regimes of dynamic loading,...
The main physical laws of the failure process in structural materials under dynamic loading modes and mathematical models of such processes are considered. To describe dynamic spallation fracture, a version of governing equations of damaged medium mechanics is developed, consisting of three interrelated parts: governing equations describing plastic behavior of the material as a function of the failure...
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