Sizing optimization of piezoelectric smart structures with meta-modeling techniques for dynamic applications

Abstract : This article shows an efficient method with a high industrial applicability to design piezoelectric smart structures for dynamic applications. This method allows sizing structures with requirements of dynamic displacements. The first step of this method consists in extracting dynamic reduced models from Finite Element simulations which will enable us to obtain a model for any structure, whatever its complexity, as opposed to analytical modeling methods. These models are computed for a set of design parameters. Then a meta-model, which is a simplified descriptive model of other models, is computed as a surface response model that expresses the design objectives and constraints as a function of the design variables. The combination of the results stemming from the meta-model allows working out the optimal values of the design parameters. The main advantage of the proposed method is to enable the quick design exploration of structures. As an example, the method is applied to a flexible structure whose dynamic displacements need to be controlled in bending and twisting. The theoretical results are validated in the end by experiments.
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Valérie Pommier-Budinger, Marc Budinger. Sizing optimization of piezoelectric smart structures with meta-modeling techniques for dynamic applications. International Journal of Applied Electromagnetics and Mechanics, IOS Press 2014, ⟨10.3233/JAE-141771⟩. ⟨hal-00976949⟩

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