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The piezoelectric material is playing a more and more important role in the active control of the wave propagation, and is introduced into the one-dimensional phononic crystal for the actively wave control. In this paper, the P-SV wave propagation in the periodic piezoelectric layered material is studied, a model of the problem is established, and the wave propagation is simulated by the COMSOL multi-physics...
In this paper, the wave propagation in a functionally graded piezoelectric coating on a cylinder is studied. Considering the piezoelectricity of the coating with an orthotropic symmetry, the wave equations and system matrices for state vector are obtained for SH and P-SV waves propagating along both the axial and circumferential directions. It is found that the wave propagation of the SH wave along...
Following the theory of linear piezoelectricity, we consider the electro-elastic problems of a finite crack in a functionally gradient piezoelectric ceramic strip. By the use of Fourier transforms we reduce the problem to solving two pairs of dual integral equations. The solution to the dual integral equations is then expressed in terms of a Fredholm integral equation of the second kind. Numerical...
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