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並列摘要


The nonlinear partial differential equations of nonlinear vibration for a functionally graded plate in a general state of non-uniform initial stress is presented. The variation of properties followed a simple power-law distribution in terms of the volume fractions of the constituents. With the derived governing equations, the nonlinear vibration of an initially stressed functionally graded plate was studied. The governing nonlinear partial differential equations are transformed into ordinary nonlinear differential equations using the Galerkin method and the nonlinear and linear frequencies obtained using the Runge-Kutta method. The nonlinear vibration of a simply supported ceramic/metal functionally graded plate was solved. It was found that both the initial stresses and the volume fractions of constituents greatly changed the behavior of nonlinear vibration.

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