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High‐order US‐FDTD based on the weighted finite‐difference method
Author(s) -
Xiao Fei,
Tang Xiaohong,
Ma Haihong
Publication year - 2005
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.20749
Subject(s) - finite difference time domain method , stability (learning theory) , microwave , mathematics , dispersion (optics) , finite difference method , order (exchange) , computer science , mathematical analysis , physics , optics , telecommunications , machine learning , finance , economics
Although unconditionally stable (US), the accuracy of ADI‐FDTD is not so high as that of conventional FDTD. In this paper, a high‐order US‐FDTD based on the weighted finite‐difference method is presented. A strict analysis of stability shows that it is unconditionally stable. And, more importantly, its numerical‐dispersion performance is superior to that of ADI‐FDTD. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 45: 142–144, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20749
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