Abstract
This research presents an exact solution of finitely long, simply supported, orthotropic,functionally graded piezoelectric (FGP), cylindrical shell panels under pressure andelectrostatic excitation. The FGP cylindrical panel is first divided into linearlyinhomogeneous elements (LIEs). The general solution of governing partial differentialequations of the LIEs is obtained by separation of variables. The highly coupled partialdifferential equations are reduced to ordinary differential equations with variablecoefficients by means of appropriate trigonometric expansion of displacements and electricpotential in circumferential and axial directions. The resulting governing ordinarydifferential equations are solved by the Galerkin finite element method. In this procedurethe quadratic shape function is used in each element. The present method is applied toseveral benchmark problems. The coupled electromechanical effect on the structuralbehavior of functionally graded piezoelectric cylindrical shell panels is evaluated. Theinfluence of the material property gradient index on the variables of electric andmechanical fields is studied. Finally some results are compared with publishedresults.
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