相控阵压电元件设计的理论与实验

1997 IEEE Ultrasonics Symposium Proceedings. An International Symposium (Cat. No.97CH36118) Pub Date : 1997-10-05 DOI:10.1109/ULTSYM.1997.663337

Y. Lin, J. M. Dodson, J. D. Hamilton, J. Kluiwstra, C. Cain, K. Grosh

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引用次数: 3

摘要

本文采用有限元模拟和实验测量相结合的方法研究了相控阵设计中流体加载压电元件的动态响应。提出了一种高效、鲁棒的三维耦合结构声学模型数值计算方法。用共聚焦法布里-珀罗激光干涉仪测量表面响应。将数值结果与实验结果进行了比较。在换能器设计的重要特征，如辐射模式在流体领域，以及换能器的机电行为，进行了评估。

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Theory and experiment for the design of piezoelectric element for phased arrays

In this paper, combined finite element simulations and experimental measurements are used to study the dynamic response of fluid-loaded piezoelectric element for phased array design. An efficient and robust numerical methodology for 3D coupled structural acoustic model is developed. A confocal Fabry-Perot laser interferometer is used to measure the surface response. Comparisons are made between numerical results and experimental results. Important features in the transducer design such as radiation patterns in the fluid domain, as well as the electromechanical behavior of the transducer, are evaluated.

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来源期刊

1997 IEEE Ultrasonics Symposium Proceedings. An International Symposium (Cat. No.97CH36118)

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