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On some basic principles in dynamic theory of elastic materials with voids

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Abstract

According to the basic idea of dual-complementarity, in a simple and unified way proposed by the author[1], some basic principles in dynamic theory of elastic materials with voids can be established systematically. In this paper, an important integral relation in terms of convolutions is given, which can be considered as the generalized principle of virtual work in mechanics. Based on this relation, it is possible not only to obtain the principle of virtual work and the reciprocal theorem in dynamic theory of elastic materials with voids, but also to derive systematically the complementary functionals for the eight-field, six-field, four-field and two-field simplified Gurtin-type variational principles. Furthermore, with this approach, the intrinsic relationship among various principles can be explained clearly.

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Authors and Affiliations

  1. Department of Mechanics, Zhongshan University, 510275, Guangzhou, China

    Luo En

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  1. Luo En
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The project supported by the Foundation of Zhongshan University Advanced Research Center

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En, L. On some basic principles in dynamic theory of elastic materials with voids. Acta Mech Sinica 9, 142–148 (1993). https://doi.org/10.1007/BF02487493

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  • DOI: https://doi.org/10.1007/BF02487493

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