Curved piezoactuator model for active vibration control of cylindrical shells

A composite differential equation of motion for a bimorph configured thin curved uniformly polarized piezoactuator pair surface bonded to a cylindrical shell is derived and the approximate analytical expressions for the equivalent forces exerted by the actuator on a cylindrical shell are obtained. The in-phase configuration is studied. The piezoactuators exertx and θ line forces and a uniform pressure load over the patch for in-phase configuration. The in-phase forces show a saturation behavior with increase in thickness.

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