Numerical study of two-dimensional smart structures

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Date

2002-04-30

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Virginia Tech

Abstract

In this thesis we use a new numerical code, based upon a mixed FEM-Runge-Kutta method, for the analysis and the design of plane 2-dimensional smart structures. We applied the developed code to the study of arbitrarily shaped piezo-electromechanical (PEM) plates. This code is based on a weak formulation of their governing equations as found in [18]. The optimal parameters needed to synthesize the appropriate electric networks are computed, and the overall performances of such plates are investigated. In particular, two examples are studied: firstly, a simple case is used to test the main features of the code; secondly, a more complex PEM plate is designed and analyzed by means of the proposed numerical approach.

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Keywords

Piezo-electromechanical Coupling, Piezoelectric Transducers, Non Conforming Element, Finite element method, Vibrations Control, Smart Structures

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