Abstract
Bending response in smart functionally graded material (FGM) panels is presented using a zigzag theory. The functionally graded panel has sensing and actuation capabilities due to the presence of two piezoelectric layers at its outer surfaces. The theory is capable of predicting structural responses in presence of material property continuity as well as discontinuity at the interfaces. Rule of mixtures is used in obtaining effective material properties across thickness of each layer. Governing equations and boundary conditions have been derived using variational principle. Responses in piezoelectric laminated FGM panels have been analyzed using two smart FGM panels of which one panel contains non-symmetric FGM substrate and the other contains symmetric FGM substrate. Effects of variation of the power law index have been studied in thick and moderately thick multilayered smart FGM panels.
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