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Proceedings Paper

The CFS-PML in numerical simulation of ATEM
Author(s): Xuejiao Zhao; Yanju Ji; Shuo Qiu; Shanshan Guan; Yanqi Wu
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Paper Abstract

In the simulation of airborne transient electromagnetic method (ATEM) in time-domain, the truncated boundary reflection can bring a big error to the results. The complex frequency shifted perfectly matched layer (CFS-PML) absorbing boundary condition has been proved to have a better absorption of low frequency incident wave and can reduce the late reflection greatly. In this paper, we apply the CFS-PML to three-dimensional numerical simulation of ATEM in time-domain to achieve a high precision .The expression of divergence equation in CFS-PML is confirmed and its explicit iteration format based on the finite difference method and the recursive convolution technique is deduced. Finally, we use the uniformity half space model and the anomalous model to test the validity of this method. Results show that the CFS-PML can reduce the average relative error to 2.87% and increase the accuracy of the anomaly recognition.

Paper Details

Date Published: 23 January 2017
PDF: 6 pages
Proc. SPIE 10322, Seventh International Conference on Electronics and Information Engineering, 103222F (23 January 2017); doi: 10.1117/12.2265965
Show Author Affiliations
Xuejiao Zhao, Jilin Univ. (China)
Yanju Ji, Jilin Univ. (China)
Shuo Qiu, Jilin Univ. (China)
Shanshan Guan, Jilin Univ. (China)
Yanqi Wu, Jilin Univ. (China)

Published in SPIE Proceedings Vol. 10322:
Seventh International Conference on Electronics and Information Engineering
Xiyuan Chen, Editor(s)

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