Low-Frequency Transmitted Fields of a Source Inside a Magnetic Shell with Large Conductivity

Authors

  • Shifeng Huang Key Laboratory of Ministry of Education of Design and Electromagnetic Compatibility of High Speed Electronic Systems
  • Gaobiao Xiao Key Laboratory of Ministry of Education of Design and Electromagnetic Compatibility of High Speed Electronic Systems
  • Junfa Mao Shanghai Jiao Tong University, Shanghai 200240, China

DOI:

https://doi.org/10.13052/2022.ACES.J.370213

Keywords:

Large conductivity;, loop-star;, low frequency;, magnetic material;, transmitted fields

Abstract

The method to evaluate the transmitted fields of a source inside a simply connected magnetic shell with large but finite conductivity at low frequencies is proposed in this paper. When modeling the magnetic shell with large conductivity, it is regarded as a penetrable object. Electric field integral equation (EFIE) is selected for the exterior region problem and magnetic field integral equation (MFIE) is chosen for the interior region problem. Each operator is decomposed with loop-star functions to overcome the problem of low-frequency breakdown. Numerical results verify the accuracy of the proposed method.

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Author Biographies

Shifeng Huang, Key Laboratory of Ministry of Education of Design and Electromagnetic Compatibility of High Speed Electronic Systems

Shifeng Huang received the B.S. and M.S. degrees from Wuhan University, Wuhan, China, in 2014 and 2017, respectively. He is currently working toward the Ph.D. degree in electronic engineering with Shanghai Jiao Tong University, Shanghai, China.

His current research interests include computational electromagnetics and its application in electromagnetic compatibility and scattering problems.

Gaobiao Xiao, Key Laboratory of Ministry of Education of Design and Electromagnetic Compatibility of High Speed Electronic Systems

Gaobiao Xiao received the B.S. degree from the Huazhong University of Science and Technology, Wuhan, China, in 1988, the M.S. degree from the National University of Defense Technology, Changsha, China, in 1991, and the Ph.D. degree from Chiba University, Chiba, Japan, in 2002.

He has been a faculty member since 2004 with the Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China. His research interests are computational electromagnetics, coupled thermo-electromagnetic analysis, microwave filter designs, fiber-optic filter designs, phased array antennas, and inverse scattering problems.

Junfa Mao, Shanghai Jiao Tong University, Shanghai 200240, China

Junfa Mao was born in 1965. He received the B.S. degree in radiation physics from the National University of Defense Technology, Changsha, China, in 1985, the M.S. degree in experimental nuclear physics from the Shanghai Institute of Nuclear Research, Chinese Academy of Sciences, Beijing, China, in 1988, and the Ph.D. degree in electronic engineering from Shanghai Jiao Tong University, Shanghai, China, in 1992.

Since 1992, he has been a Faculty Member with Shanghai Jiao Tong University. He was a Visiting Scholar with the Chinese University of Hong Kong, Hong Kong, from 1994 to 1995, and a Postdoctoral Researcher with the University of California at Berkeley, Berkeley, CA, USA, from 1995 to 1996. He has authored or coauthored more than 500 articles. His research interests include interconnect and package problems of integrated circuits and systems, and analysis and design of microwave components and circuits.

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Published

2022-02-28

How to Cite

[1]
S. . Huang, G. . Xiao, and J. . Mao, “Low-Frequency Transmitted Fields of a Source Inside a Magnetic Shell with Large Conductivity”, ACES Journal, vol. 37, no. 02, pp. 238–245, Feb. 2022.

Issue

2022: Vol 37 Iss 2

Section

General Submission

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