Abstract
The main objective of this work is the contribution to the study of the piezoelectric structures which contain preexisting defect (crack). For that, we consider a Griffith crack located at the interface of two piezoelectric materials in a semi-infinite plane structure. The structure is subjected to an anti-plane shearing combined with an in-plane electric displacement. Using integral Fourier transforms, the equations of piezoelectricity are converted analytically to a system of singular integral equations. The singular integral equations are further reduced to a system of algebraic equations and solved numerically by using Chebyshev polynomials. The stress intensity factor and the electric displacement intensity factor are calculated and used for the determination of the energy release rate which will be taken as fracture criterion. At the end, numerical results are presented for various parameters of the problem; they are also presented for an infinite plane structure.
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Communicated by Andreas Öchsner.
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Gherrous, M., Ferdjani, H. Analysis of a Griffith crack at the interface of two piezoelectric materials under anti-plane loading. Continuum Mech. Thermodyn. 28, 1683–1704 (2016). https://doi.org/10.1007/s00161-016-0501-6
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DOI: https://doi.org/10.1007/s00161-016-0501-6