Abstract

Traditional transmitting materials, such as PZT-8, exhibit some non-linearity in stress and temperature, but predicting performance under high stress and higher temperatures can be achieved by taking advantage of the weak coupling. One needs to predict the performance of these devices by considering the highly non-linear behaviour with a fully non-linear solution procedure in the ATILA finite element software package. The aim of this chapter is to analyze the behaviour of simple devices submitted to a harmonic analysis. Analytical models are developed and compared with the numerical analysis via the ATILA code for several devices. ATILA does not have a non-linear solver yet. ATILA results are obtained with up-dated properties.

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