Excitation spectrum of anisotropic non-dissipative elastic-plastic medium |
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Authors: | Yu V Grinyaev V L Popov |
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Institution: | (1) Institute of Strength and Material Science, Siberian Branch, Academy of Sciences of the USSR, USSR |
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Abstract: | The simplest gauge theory of an elastic-plastic medium is considered in this paper that takes account of just translational plasticity. The equations of motion for such a model turn out to be linear and permit the normal modes spectrum of a medium to be obtained. Taking account of plasticity results in a cardinal transformation of the elastic branches of the spectrum and the appearance of a group of plasma oscillations of a dislocation gas.Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 6, pp. 64–68, June, 1990. |
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