NDLI: A three-dimensional spatially filtered FDTD with controllable stability beyond the courant limit

Content Provider	IEEE Xplore Digital Library
Author	Chang, Chun Sarris, Costas D.
Copyright Year	2012
Description	Author affiliation: The Edward S. Rogers Sr. Department of Electrical and Computer Engineering, University of Toronto, ON, M5S 3G4, Canada (Chang, Chun; Sarris, Costas D.)
Abstract	It has been recently shown that the stability limit of the Finite-Difference Time-Domain (FDTD) method can be controlled by iterative spatial filtering and extended beyond the conventional Courant-Friedrichs-Lewy limit. However, the trade-off associated with this approach comes from the fact that while the relaxed stability limit allows for the use of a larger time step, spatial filtering is implemented through additional numerical operations. This trade-off manifests itself most significantly in three-dimensional simulations. This paper contributes the algorithmic developments needed for the efficient extension of the spatially filtered FDTD to three-dimensional applications and further demonstrates a three-dimensional late-time stable subgridding scheme based on spatial filtering.
Starting Page	1
Ending Page	3
File Size	867212
Page Count	3
File Format	PDF
ISBN	9781467310857
ISSN	0149645X
e-ISBN	9781467310888
e-ISBN	9781467310864
DOI	10.1109/MWSYM.2012.6259570
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-17
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Finite difference methods Time domain analysis Stability analysis Standards Numerical stability Power system stability Cavity resonators subgridding FDTD numerical stability
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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