Theoretical characterization of bimorph pMUT with CuAl 10 Ni 5 Fe 4 layer for underwater application

Mohd Ikhwan Hadi Yaacob

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Type :	article
Subject :	Q Science (General)
Main Author :	Mohd Ikhwan Hadi Yaacob
Additional Authors :	M. A. Azman
Title :	Theoretical characterization of bimorph pMUT with CuAl 10 Ni 5 Fe 4 layer for underwater application

Year of Publication :

2017

Abstract :

This paper present modeling and theoretical characterization of bimorph piezoelectric ultrasonic transducer using 2 layer of PZT-4 sandwich between 3 aluminum electrodes. Model analysis was carried out using 3-D finite element method. The transducer model is coupled with piezoelectric structure and fluid-structure problem. The transducer model has been simplified to determine the transmitting voltage response, transducer displacement, beam pattern and specific acoustic impedance. Perfectly match layer (PML) and Far Field Calculation has been implemented in the fluid-structure interaction problem to avoid artificial edge reflection and gain ability to calculate wave pressure outside the simulated region. Further validation of this model will be included in future work.

References

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