Abstract
The present work focuses on geometrically nonlinear static analysis of laminated smart composite plates integrated with the patches of Active fiber composites (AFC) and piezoelectric fiber-reinforced composite (PFRC) materials acting as the distributed actuators has been compared using generalized energy based finite element models. To derive this coupled electromechanical finite element model the Von Karman type nonlinear strain displacement relations and a simple first-order shear deformation theory (FSDT) are used. Eight-node diso-parametric serendipity elements are used for discretization of the overall plate integrated with AFC/PFRC patch material .Picard’s direct iteration method with under relaxation is used to solve the nonlinear finite element equilibrium equations. The performance of both AFC and PFRC patches has been investigated and compared for symmetric cross-ply laminated composite plate substrate.
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