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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2018-02-19
Stable Implicit Scheme for TM Transient Scattering from 2D Conducting Objects Using TD-EFIE
By
Qiang Wang,

    Dr. Qiang Wang

    Department of Computer and Electronic Information

    Shaanxi Xueqian Normal University

    China

    Homepage

Li-Xin Guo,

    Professor Li-Xin Guo

    School of Science

    Xidian University

    China

    Homepage

Peng-Ju Yang,

    Dr. Peng-Ju Yang

    School of Physics and Electronic Information

    Yan'an University

    China

    Homepage

Zhong-Yu Liu

    Dr. Zhong-Yu Liu

    School of Science

    Xidian University

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 73, 99-104, 2018
doi:10.2528/PIERL18011705 | Google Scholar

Abstract
To improve stability of time-domain integral equation, a stable implicit scheme is proposed to solve the transverse-magnetic (TM) electromagnetic scattering from 2D conducting objects. The time-domain electric-field integral equation (TD-EFIE) was adopted and expressed using second-order derivative of the magnetic vector potential. To reduce numerical error, the magnetic vector potential was approximated by second-order central finite difference. TM transient scattering from 2D conducting objects was calculated by an implicit marching-on-in-time (MOT) scheme. To obtain stable numerical results, the TD-EFIE MOT implicit scheme was firstly combined with the time-averaging technique. The accuracy and stability of the scheme were demonstrated by comparison with the results from inverse discrete Fourier transform technique.
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Citation
Qiang Wang, Li-Xin Guo, Peng-Ju Yang, and Zhong-Yu Liu, "Stable Implicit Scheme for TM Transient Scattering from 2D Conducting Objects Using TD-EFIE," Progress In Electromagnetics Research Letters, Vol. 73, 99-104, 2018.
doi:10.2528/PIERL18011705
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