NDLI: One-step Unconditionally Stable FDTD method and its numerical dispersion analysis

Content Provider	IEEE Xplore Digital Library
Author	Song Liu Ping Wu Shengming Gu Shaobin Liu
Copyright Year	2008
Description	Author affiliation: Coll. of Inf. Sci. & Technol., Nanjing Univ. of Aeronaut. & Astronaut., Nanjing (Song Liu)
Abstract	The proposed two-dimensional one-step unconditionally stable finite-difference time-domain algorithm (one-step US-FDTD) is an implicit numerical scheme with second-order accuracy in both time and space. The method is performed using only one procedure, but not two sub-updating procedures. We analytically and numerically verified the algorithm is also unconditionally stable and free of the constraint of the Courant stability condition. The dispersion relation is derived and the dispersion error as algorithm's time step size and wave propagation angle are investigated. It shows despite the proposed method dispersion error slightly larger than the conventional FDTD, but it is quite simple updating procedure maintaining the same accuracy to the conventional ADI-FDTD.
Starting Page	700
Ending Page	703
File Size	456836
Page Count	4
File Format	PDF
ISBN	9781424418794
DOI	10.1109/ICMMT.2008.4540491
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-04-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Finite difference methods Time domain analysis Dispersion Space technology Tellurium Maxwell equations Educational institutions Information science Algorithm design and analysis Stability analysis
Content Type	Text
Resource Type	Article

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