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Recent studies on integrated smart materials

The displacement performance of individual actuators is well documented. In a multiple actuator composite plate, the individual addressing of actuators, or small groupings of actuators, will result in a global displacement profile which may or may not be similar to the displacement predicted based on the performance of a single actuator. The purpose of this computational study is to determine the displacement performance of a composite plate which includes multiple ceramic actuators. Stresses and displacements resulting from the application to individual actuators of a electrical field of 0.2 MV/m are determined. Differences in displacement performance based on base plate material, support conditions and location in the array are determined.