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Title: Concise current source implementation for efficient 3-D ADI-FDTD method
Authors: Tan, Eng Leong
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2007
Source: Tan, E. L. (2007). Concise current source implementation for efficient 3-D ADI-FDTD method. IEEE Microwave and Wireless Components Letters, 17(11), 748-750. doi:10.1109/LMWC.2007.908037
Journal: IEEE Microwave and Wireless Components Letters
Abstract: A concise current source implementation is presented for the unconditionally stable 3-D alternating direction implicit finite-difference time-domain (ADI-FDTD) method. Unlike the conventional implicit symmetric source scheme applied in both updating procedures, the new implementation involves implicit current formulation in the first procedure only. Note however that the resultant accuracy does not deteriorate but remains to be identical as before. This is achieved using our recent efficient algorithm for the 3-D ADI-FDTD method. Moreover, the current formulations applied in both procedures therein are simplified, along with further reduction of the floating point operations count for the main iterations. Analytical validation of the equivalence among conventional implicit symmetric source scheme and our efficient algorithms with alternative current implementations are discussed. Numerical results provide closer scrutiny of the asymmetry errors, which may still exist even with symmetric source implementation.
ISSN: 1531-1309
DOI: 10.1109/LMWC.2007.908037
Rights: © 2007 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at:
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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