In this paper, we consider the adequacy of the use of the straight normal hypothesis
in the applied theory for the calculation of a cantilever-type piezoelectric generator that takes
into account the incomplete piezo-element coating of the substrate, which was obtained
earlier, and a numerical optimization procedure for piezoelectric generator is given, taking
into account critical failure stresses.
Keywords: piezoelectric generator, banding, straight normal, semi-analytical method, finite element, numerical optimization
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