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Finite Element Technique for the Assessment of 3-1 and 'Super 1-3' Connectivity Piezoelectric Composite Transducers

机译:评估3-1和'Super 1-3'连接性压电复合传感器的有限元技术

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摘要

This paper describes the use of finite element (FE) technique in the assessment of new types of multi-layered piezoelectric composite structure using the PZFlex code. The background information leading to model configuration, including materials properties and boundary conditions, is discussed. This is coupled with an experimental program of model corroboration via a number of key stage prototypes to achieve a model-build-test methodology. Initially the 3-1 connectivity plate and multilayered piezoelectric composites are analyzed. Results from FE and experimental assessment indicate that the 3-1 plate devices offer no benefit over the conventional 1-3 connectivity arrangement. A simple, minimally diced, 3-1 connectivity multi-layer device is analyzed and is shown to be suitable for the manufacture of wideband and efficient transducers operating in the 10-100 kHz frequency range for high power applications.
机译:本文介绍了有限元(FE)技术在使用PZFlex代码评估新型多层压电复合结构中的应用。讨论了导致模型配置的背景信息,包括材料属性和边界条件。这与通过许多关键阶段原型的模型确证实验程序相结合,以实现模型构建-测试方法。最初分析3-1连接板和多层压电复合材料。有限元分析和实验评估的结果表明,3-1平板设备与传统的1-3连接结构相比没有任何好处。分析了一种简单的,最小切割的3-1连接性多层设备,显示该设备适用于在10-100 kHz频率范围内工作的宽带高效换能器的制造,适用于大功率应用。

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