Abstract
The constitutive equations of nonlinear mechanics of a prestressed electrothermoelastic continuum are linearized in the framework of the theory of small strains imposed on finite strains. Simple and convenient-to-operate formulas of linearized constitutive equations and equations of motion of the mediumare obtained. A model of electrothermoelastic half-space with inhomogeneous coating, which is a structure of functionally graded layers, is proposed. It is assumed that each of the medium components is under the action of initial mechanical strains and initial temperature, and the materials of the medium components are orthotropic pyroelectric materials of hexagonal crystal system of class 6 mm. The integral representation of the mediumwave field is constructed by a hybrid numerical-analytical method based on a combination of analytical solutions and numerical schemes used to reconstruct the Green function for the inhomogeneous components of the coating and the matrix approach used to satisfy the boundary conditions.
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Original Russian Text © T.I. Belyankova, V.V. Kalinchuk, 2017, published in Izvestiya Akademii Nauk, Mekhanika Tverdogo Tela, 2017, No. 1, pp. 117–135.
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Belyankova, T.I., Kalinchuk, V.V. On the modeling of a prestressed thermoelectroelastic half-space with a coating. Mech. Solids 52, 95–110 (2017). https://doi.org/10.3103/S0025654417010113
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DOI: https://doi.org/10.3103/S0025654417010113