The piezoelectric induced bending and twisting deformation of
laminated shallow shells has been presented in this report. A simple and
efficient method has been developed for the static analysis of shallow
shells under mechanical, thermal, and piezoelectric fields. The governing
equations are based on the linear theory of piezoelectricity and the
classical thin shallow shell assumptions. Approximate solutions have been
obtained using the conventional Ritz analysis for different boundary
conditions. Comparisons of degenerate cases with published analytical and
experimental results show good agreement. Several cases have been reported
here, investigating the effects of material stiffness coupling, shell
shallowness, and actuator geometric parameters on the bending and twisting
deformation of piezoelectric laminated structures. It is shown that the
desired shape could be better controlled by a proper selection of the
lay-up configuration and geometric characteristics of the structure such as
the thickness, size, and location of the piezoelectric actuators.
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