A Hybrid ACA-FDM for Electromagnetic Scattering from PEC Targets

Authors

  • Xinlei Chen College of Electronic and Information Engineering Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
  • Changqing Gu College of Electronic and Information Engineering Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
  • Xiaoqiao Deng College of Electronic and Information Engineering Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
  • Bingzheng Xu College of Electronic and Information Engineering Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
  • Zhuo Li College of Electronic and Information Engineering Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
  • Zhenyi Niu College of Electronic and Information Engineering Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Keywords:

Electromagnetic scattering, equivalent dipole method (EDM), fast dipole method (FDM), adaptive cross approximation (ACA)

Abstract

In this paper, the adaptive cross approximation (ACA) algorithm is combined with the fast dipole method (FDM) to solve the electromagnetic scattering from perfect electric conducting (PEC) targets. In the ACA-FDM, the ACA and the FDM are employed to deal with the near-group pairs and the far-group pairs respectively. Compared with the conventional FDM, the submatrices related to the interactions of the near-group pairs are efficiently compressed by the ACA, so the ACA-FDM saves CPU time and memory requirement, when the criterion for the far-group pairs becomes stricter in order to obtain relatively high accurate solutions. Numerical results about the electromagnetic scattering from PEC targets are given to demonstrate the merits of the ACA-FDM.

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Published

2021-11-12

How to Cite

[1]
X. . Chen, C. . Gu, X. . Deng, B. . Xu, Z. . Li, and Z. . Niu, “A Hybrid ACA-FDM for Electromagnetic Scattering from PEC Targets”, ACES Journal, vol. 27, no. 12, pp. 964–970, Nov. 2021.

Issue

2012: Vol 27 Iss 12

Section

General Submission