Modeling of doubly lossy and dispersive media with the time-domain finite-element dual-field domain-decomposition algorithm

Xiaolei Li; Jianming Jin

doi:10.1002/jnm.1826

Modeling of doubly lossy and dispersive media with the time-domain finite-element dual-field domain-decomposition algorithm

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English (US)
Pages (from-to)	28-40
Number of pages	13
Journal	International Journal of Numerical Modelling: Electronic Networks, Devices and Fields
Volume	26
Issue number	1
DOIs	https://doi.org/10.1002/jnm.1826
State	Published - Jan 1 2013

Keywords

dispersive medium
domain-decomposition
finite-element method
time-domain analysis

ASJC Scopus subject areas

Modeling and Simulation
Computer Science Applications
Electrical and Electronic Engineering

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10.1002/jnm.1826

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AB - 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.

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