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The laminated piezoelectric cantilever actuators under constant voltage are investigated. Based on partial differential equations for the plane problem of piezoelectric materials, the stress function and electric displacement function are assumed to be undetermined polynomials, which can be acquired through successive integrations. The analytical solutions are then obtained, with the integral constants...
This work presents an approach named direct displacement method to investigate the free axisymmetric vibrations of transversely isotropic FGM circular plates whose material properties can be varied arbitrarily along the thickness of the plate. If the variation of the material properties obeys the exponential law, three-dimensionally exact solutions are obtained for two specific boundary conditions,...
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