NDLI: A novel three-dimensional unconditionally-stable FDTD method

Content Provider	IEEE Xplore Digital Library
Author	Yong-Dan Kong Qing-Xin Chu
Copyright Year	2009
Description	Author affiliation: School of Electronic and Information Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China (Yong-Dan Kong; Qing-Xin Chu)
Abstract	A novel three-dimensional unconditionally-stable finite-difference time-domain (FDTD) method is presented, in which symmetric operator and uniform splitting are adopted simultaneously to split the matrix derived from the classical Maxwell's equations into four sub-matrices. Accordingly, the time step is divided into four sub-steps. The normalized numerical phase velocity of the proposed method is better than that of the alternating direction implicit finite-difference time-domain (ADI-FDTD) method. In addition, the numerical dispersion error of the novel method is lower than that of the ADI-FDTD method. In order to demonstrate the efficiency of the proposed method, numerical results are presented. The saving in CPU time with the proposed method can be more than 30% in comparisons with the ADI-FDTD method and more than 69% in comparisons with the traditional FDTD method.
Starting Page	317
Ending Page	320
File Size	392073
Page Count	4
File Format	PDF
ISBN	9781424428038
ISSN	0149645X
DOI	10.1109/MWSYM.2009.5165697
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Finite difference methods Time domain analysis Symmetric matrices Maxwell equations Computational efficiency Matrix decomposition Numerical stability Electromagnetic fields Two dimensional displays Anisotropic magnetoresistance unconditionally stable Finite-difference time-domain (FDTD) numerical dispersion split-step scheme symmetric operator
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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