Abstract：Abstract：Base on first-order shear deformation theory and the small strain-displacement relations, the effects of shear deformation and the inertia rotation are considered and the governing equations for the wave propagation in the rectangular FGM plate are derived by using of Hamilton principle. The analytic dispersion relation of the FGM plate is obtained by means of the eigenvalue equations. A complete discussion of dispersion of rectangular FGM plates is given. The dispersion curves, the phase velocity curves and group velocity curves of the wave propagation in the FGM plates are plotted respectively. The influence of the parameter of the functionally graded materials on wave propagation is analyzed
2011, Vol. 30 
