Diffraction of plane shear wave at the edge of semi-infinite crack in piezoelectric composite space with a metallic layer
Journal Title: Հայաստանի գիտությունների ազգային ակադեմիայի տեղեկագիր․ Մեխանիկա - Year 2019, Vol 72, Issue 2
Abstract
The diffraction of a plane electro-elastic shear wave in the piezoelectric space with a semi-infinite crack between half-spaces is considered, when an electrically conductive metallic thin layer is glued together at the interface of the half-spaces. The problem is reduced to solving a Riemann-type problem on the real axis in the theory of analytic functions. The presence of a semi-infinite crack leads to the propagation of diffracted bulk and surface (localized) electro-elastic waves in piezoelectric half-spaces. We study the distribution of the wave field in half-spaces using the methods of the integral Fourier transform, the theory of functions of complex variable and contour integration.
Authors and Affiliations
A. S. Sargsyan
Keywords
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