3D Finite Element Analysis of Electromagnetic Ultrasonic Transducers
Liu Suzhen1, Zhang Chuang1, Jin Liang2, Zhang Yanhao1, Cai Zhichao1, Yang Qingxin1, 2
1. Province-Ministry Joint Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability Hebei University of Technology Tianjin 300130 China 2. Key Laboratory of Advanced Electrical Engineering and Energy Technology Tianjin Polytechnic University Tianjin 300387 China
Abstract：Analyzing the working process of the electromagnetic ultrasonic transducer (EMAT) which involves intercoupling and transforming between electrical field, magnetic field, force field and acoustic field, it contains many variables, especially in the acoustic field analysis. Through simulating the EMAT with the finite element method (FEM) of ANSYS, it obtains the main features and distribution regularities of the electrical field, magnetic field and force field in the transduction process of the EMAT. It builds the acoustic model by the coupling analysis between electromagnetic and structural model, and then it analyzes the acoustic field distribution and directionality rule of the surface wave (SW) in the test piece. The simulation results are consistent with the theory analysis.
刘素贞, 张闯, 金亮, 张艳浩, 蔡智超, 杨庆新. 电磁超声换能器的三维有限元分析[J]. 电工技术学报, 2013, 28(8): 7-12.
Liu Suzhen, Zhang Chuang, Jin Liang, Zhang Yanhao, Cai Zhichao, Yang Qingxin. 3D Finite Element Analysis of Electromagnetic Ultrasonic Transducers. Transactions of China Electrotechnical Society, 2013, 28(8): 7-12.
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2013, Vol. 28 
