Nonlinear Dynamic Response of Functionally Graded Rectangular Plates under Different Internal Resonances

Y. X. Hao, W. Zhang and X. L. Ji

Mathematical Problems in Engineering, 2010, vol. 2010, 1-12

Abstract:

The nonlinear dynamic response of functionally graded rectangular plates under combined transverse and in-plane excitations is investigated under the conditions of 1 : 1, 1 : 2 and 1 : 3 internal resonance. The material properties are assumed to be temperature-dependent and vary along the thickness direction. The thermal effect due to one-dimensional temperature gradient is included in the analysis. The governing equations of motion for FGM rectangular plates are derived by using Reddy's third-order plate theory and Hamilton's principle. Galerkin's approach is utilized to reduce the governing differential equations to a two-degree-of-freedom nonlinear system including quadratic and cubic nonlinear terms, which are then solved numerically by using 4th-order Runge-Kutta algorithm. The effects of in-plane excitations on the internal resonance relationship and nonlinear dynamic response of FGM plates are studied.

Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:738648

DOI: 10.1155/2010/738648

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