Modeling Study of a Linear Ultrasonic Phased Array Transducer

De Xin Zhou; Xue Qian Tang; Xiang Lin Zhan

doi:10.4028/www.scientific.net/AMM.441.470

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 441Modeling Study of a Linear Ultrasonic Phased Array...

Modeling Study of a Linear Ultrasonic Phased Array Transducer

Abstract:

A numerical simulation model based on the finite element method (FEM) and wave analysis is proposed to study the acoustic field of a linear instructions and ultrasonic phased array (LUPA) transducer. The ultrasonic wave propagation in the isotropic solid is studied. The delay law controlling for electronic scanning of a LUPA transducer is analyzed. The ultrasonic wave propagation in the inspection material can be visualized in the form of displacement cloud images by FEM modeling. Experiments show that the model can efficiently and accurately predict the radiation field of beam focusing, steering and electronic scanning of a linear phased array transducer. By employing the proposed method, parameters can be conveniently changed to study the acoustic field of the ultrasonic beam in the medium. It is very helpful for designing and applying the linear phased array transducer and flaw inspection in NDT field.

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Periodical:

Applied Mechanics and Materials (Volume 441)

Pages:

470-475

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.441.470

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Online since:

December 2013

Authors:

De Xin Zhou*, Xue Qian Tang, Xiang Lin Zhan

Keywords:

Electronic Scanning, Finite Element Method (FEM), Linear Ultrasonic Phased Array, Numerical Simulation

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