Abstract
This paper is to investigate the characteristics of elastic guided waves in an infinite functionally graded magneto-electro-elastic plate. Based on the Hamilton’s principle, Chebyshev spectral element method is applied along the thickness direction to obtain the dispersion equation. The convergence and accuracy of the proposed method are compared with the results of commercial software Disperse. For the infinite functionally graded plate composed of piezoelectric BaTiO3 and magnetostrictive CoFe2O4, some numerical examples about dispersion curves and wave structures are given, and the influence of the change of the volume fraction index N on dispersive behavior are analyzed. In addition, the velocity deletion, which has not been mentioned in previous studies of the infinite functionally graded magneto-electro-elastic plate, is found with the dispersion curves.
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