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Modeling of doubly lossy and dispersive media with the time‐domain finite‐element dual‐field domain‐decomposition algorithm
Author(s) -
Li Xiaolei,
Jin JianMing
Publication year - 2012
Publication title -
international journal of numerical modelling: electronic networks, devices and fields
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.249
H-Index - 30
eISSN - 1099-1204
pISSN - 0894-3370
DOI - 10.1002/jnm.1826
Subject(s) - lossy compression , domain decomposition methods , time domain , dispersion (optics) , finite element method , field (mathematics) , decomposition , domain (mathematical analysis) , electromagnetic field , computer science , algorithm , mathematical analysis , mathematics , physics , optics , chemistry , quantum mechanics , artificial intelligence , pure mathematics , computer vision , thermodynamics , organic chemistry
SUMMARY A numerical scheme is presented for the time‐domain finite‐element modeling of an electrically and magnetically lossy and dispersive medium in the dual‐field domain‐decomposition method. Existing approaches for modeling doubly lossy and dispersive media are extended to the dual‐field case, yielding a general dual‐field domain‐decomposition scheme for modeling large‐scale electromagnetic problems involving such media. A quantitative analysis is performed to estimate the error induced by the modeling of medium dispersion. Copyright © 2012 John Wiley & Sons, Ltd.

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