Summary
This paper presents an analysis of the scattering of anti-plane shear waves by a single piezo-electric cylindrical inclusion partially bonded to an unbounded matrix. The anti-plane governing equations for piezoelectric materials are reduced to Helmholtz and Laplacian equations. The fields of scattered waves are obtained by means of the wave function expansion method when the bonded interface is perfect. When the interface is partially debonded, the region of the debonding is modeled as an interface crack with non-contacting faces. The electric permeable boundary conditions are adopted, i.e. the normal electric displacement and electric potential are continuous across the crack faces. The crack opening displacement is represented by Chebyshev polynomials and a system of equations is derived and solved for the unknown coefficients.
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Du, J.K., Shen, Y.P. & Wang, X. Scattering of anti-plane shear waves by a partially debonded piezoelectric circular cylindrical inclusion. Acta Mechanica 158, 169–183 (2002). https://doi.org/10.1007/BF01176907
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DOI: https://doi.org/10.1007/BF01176907