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2018-02-19
Stable Implicit Scheme for TM Transient Scattering from 2D Conducting Objects Using TD-EFIE
By
Progress In Electromagnetics Research Letters, Vol. 73, 99-104, 2018
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.
Citation
Qiang Wang Li-Xin Guo Peng-Ju Yang 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
http://www.jpier.org/PIERL/pier.php?paper=18011705
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