Accurate prediction of free edge effect in piezolaminated panels

Abstract eng:
An accurate analytical three-dimensional piezoelasticity solution is presented for the free edge stress field in smart piezoelectric laminated plates, using the recently developed mixed-field multiterm extended Kantorovich method (MMEKM). The formulation considers the two-way electromechanical coupling, and the solution satisfies all traction-free boundary conditions and interlaminar continuity conditions exactly and point-wise. The solution is employed to accurately determine the transverse shear and peel stresses developed at the actuator-host plate interfaces, and to predict the actuation potential required to control the free edge stresses caused by extension loading.

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