A two-stage finite element model of a meander coil electromagnetic acoustic transducer transmitter

被引：34

作者：

Dhayalan, R.

Balasubramaniam, Krishnan ^{[1
]}

机构：

[1] Indian Inst Technol, Ctr Nondestruct Evaluat, Madras 600036, Tamil Nadu, India

来源：

NONDESTRUCTIVE TESTING AND EVALUATION | 2011年 / 26卷 / 02期

关键词：

meander coil EMAT; Lorentz force; finite element modelling; wave propagation; NUMERICAL-SIMULATION; RAYLEIGH-WAVE; EMAT DESIGNS; GENERATION; ULTRASOUND; METAL;

D O I：

10.1080/10589759.2010.511220

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This paper presents a two-stage numerical model of a meander coil electromagnetic acoustic transducer transmitter operating on the Lorentz force principle. This model was used to predict the ultrasonic A-scan signals for bulk (longitudinal and shear) and guided (Rayleigh) waves in isotropic homogeneous materials. The simulation results agree with the experimental results. The grating effects of the meandering coil, for different coil spacings, are also discussed in this paper.

引用

页码：101 / 118

页数：18

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