Efficient Improved Local Time Stepping with the Leapfrog Scheme for Transient 3-D Electromagnetic Analyses

Authors

  • Minxuan Li 1) School of Electrical Engineering Xidian University, Xi’an, 710071, China 2) China Electronic Product Reliability and Environmental Testing Institute Guangzhou, 511300, China https://orcid.org/0000-0002-9556-5201
  • Qingkai Wu School of Electrical Engineering Xidian University, Xi’an, 710071, China
  • Zhongchao Lin School of Electrical Engineering Xidian University, Xi’an, 710071, China
  • Yu Zhang School of Electrical Engineering Xidian University, Xi’an, 710071, China
  • Xunwang Zhao School of Electrical Engineering Xidian University, Xi’an, 710071, China

DOI:

https://doi.org/10.13052/2023.ACES.J.380805

Keywords:

Antenna transient analysis, discontinuous Galerkin time domain method, high-order time integration, local time stepping

Abstract

An alternate boundary local time stepping (ABLTS) method is proposed for the discontinuous Galerkin time domain method for transient electromagnetic simulations to reduce the computation complexity of the local time stepping (LTS) method. The proposed method exhibites lower storage and time complexity than the conventional LF-LTS method . The stability, accuracy, and effectiveness of the ABLTS method are verified by applying it to the simulation of a resonator cavity and multi-layer microstrip antenna. The numerical results revealed that the developed method is effective for the transient electromagnetic simulation of antennas.

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Author Biographies

Minxuan Li, 1) School of Electrical Engineering Xidian University, Xi’an, 710071, China 2) China Electronic Product Reliability and Environmental Testing Institute Guangzhou, 511300, China

Minxuan Li was born in Changzhi, Shanxi, China, in 1994. He received the B.S. degree in electronic information engineering from Harbin Institute of Technology in 2016. He is currently pursuing the Ph.D. degree with Xidian University. He joined the China Institute of Electronic Product Reliability and Environmental Testing in 2023. His research interests include channel modeling, parallel computation, and transient electromagnetic analysis.

Qingkai Wu, School of Electrical Engineering Xidian University, Xi’an, 710071, China

Qingkai Wu was born in Yangzhou, Zhejiang, China, in 1997. He received the B.S. degree in electronic science and technology from Xidian University in 2020. He is currently pursuing the Ph.D. degree with Xidian University. His current research interests include transient electromagnetic analysis.

Zhongchao Lin, School of Electrical Engineering Xidian University, Xi’an, 710071, China

Zhongchao Lin was born in Hubei, China, in 1988. He received the B.S. and Ph.D. degrees from Xidian University, in 2011 and 2016, respectively. He joined Xidian University, in 2016, as a post doctoral fellow, where he was lately promoted as an associate professor. His research interests include large-scale computational electromagnetic, scattering, and radiation electromagneticanalysis.

Yu Zhang, School of Electrical Engineering Xidian University, Xi’an, 710071, China

YU ZHANG received the B.S., M.S., and Ph.D. degrees from Xidian University, in 1999, 2002, and 2004, respectively. In 2004, he joined Xidian University as a faculty member. He was a visiting scholar and an adjunct professor with Syracuse University, from 2006 to 2009. As a principal investigator, he works on projects, including the project of NSFC. He has authored four books: Parallel Computation in Electromagnetics (Xidian University Press, 2006), Parallel Solution of Integral Equation-Based EM Problems in the Frequency Domain (Wiley IEEE, 2009), Time and Frequency Domain Solutions of EM Problems Using Integral Equations and a Hybrid Methodology (Wiley, 2010), and Higher Order Basis Based Integral Equation Solver (Wiley, 2012), as well as more than 100 journal articles and 40 conferencepapers.

Xunwang Zhao, School of Electrical Engineering Xidian University, Xi’an, 710071, China

Xunwang Zhao was born in Shanxi, China, in 1983. He received the B.S. and Ph.D. degrees from Xidian University, in 2004 and 2008, respectively. He joined Xidian University, in 2008, as a faculty member, where he was lately promoted as a full professor. He was a visiting scholar with Syracuse University, from December 2008 to April 2009. As a principal investigator, he works on several projects, including the project of NSFC. His research interests include computational electromagnetic and electromagnetic scattering analysis.

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Published

2023-08-31

How to Cite

[1]
M. . Li, Q. . Wu, Z. . Lin, Y. . Zhang, and X. . Zhao, “Efficient Improved Local Time Stepping with the Leapfrog Scheme for Transient 3-D Electromagnetic Analyses”, ACES Journal, vol. 38, no. 08, pp. 587–593, Aug. 2023.

Issue

2023: Vol 38 Iss 8

Section

General Submission

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