ON THE FORMULATION OF THE ELECTRO-ELASTICITY THEORY BOUNDARY VALUE PROBLEMS FOR ELECTRO-MAGNETO-ELASTIC COMPOSITES WITH INTERFACE ROUGHNESS
Journal Title: Հայաստանի գիտությունների ազգային ակադեմիայի տեղեկագիր․ Մեխանիկա - Year 2015, Vol 68, Issue 2
Abstract
he dynamic problem of coupled physical and mechanical fields is considered in composites with joints of rough surfaces. By means of new proposed hypotheses of magnetic- (electro-/thermo-) elastic layered systems (hypotheses-MELS) the boundary problem is modeled for rough interfaces contact of continuous media with interconnected physical and mechanical fields. In various models of joints of thick piezoelectric layers combinations geometrically or physically heterogeneous surface layer is allocated in which the surfaceexponential behavior of physicomechanical fields or thermodynamic constants are given. The effect of surfaces roughness on the equations and the thermodynamic relations is achieved through the choice of surface-exponential functions (SEF). As an example the propagation of the shear wave signal is studied in an isotropic dielectric.
Authors and Affiliations
Ara Avetisyan
Keywords
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