Abstract
Nonlinear dynamic behavior of a piezothermoelastic laminate subjected to mechanical, thermal, and electrical loads is analyzed. Nonlinear deformation of the laminate is analyzed based on the von Kármán strains and the first-order shear deformation theory using the Galerkin method. The buckling temperature, the large static deflection, and the natural frequencies of infinitesimal or finite oscillation are discussed. The effect of transverse shear on nonlinear behavior and the methods to raise the buckling temperature, and linearize thermal deflection and the natural frequencies, by applying the electrical voltage to piezoelectric actuators, are investigated.
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