Abstract
Abstract This paper presents the damping characteristics of nonlinear vibrations of functionally graded (FG) plates utilizing piezoelectric composite material. For this analysis the active fiber composite (AFC) is taken as piezoelectric composite material. Finite element (FE) models are made for the FG plates combined with active constrained layer damping (ACLD) patches made of AFC material. Von Karman strain–displacement equations considering the displacement fields and satisfactory boundary conditions are used. The working of the ACLD patches for nonlinear vibration damping of FG plates is explored where AFC is used for the constraining layer of the ACLD patches. The Golla-Hughes-McTavish method is used for modeling the constrained layer of ACLD patch which is considered to be made of a viscoelastic material. Simulation models are also developed using ANSYS software for smart FG plates for validating the FE model. The contribution of ACLD patches for the nonlinear vibration control of the FG plates is investigated.
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