Abstract

Following the theory of linear piezoelectricity, we consider the electroelastic problem of a finite crack in an orthotropic piezoelectric ceramic strip under longitudinal shear. By the use of Fourier transforms, we reduce the problem to that of solving a pair of dual integral equations. The solution of the dual integral equations is then expressed in terms of a Fredholm integral equation of the second kind. Numerical calculations are carried out, and the stress intensity factor and the energy release rate are shown graphically for piezoelectric ceramics.

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