Unified split-step precise integration time-domain method for dispersive media

被引：5

作者：

Liu, Qi ^{[1
]}

Ma, Xihui ^{[1
]}

Chen, Feng ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Sch Elect Engn, State Key Lab Elect Insulat & Power Equipment, Xian 710049, Shaanxi, Peoples R China

来源：

ELECTRONICS LETTERS | 2013年 / 49卷 / 18期

基金：

中国国家自然科学基金;

关键词：

MAXWELLS EQUATIONS;

D O I：

10.1049/el.2013.2101

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Based on the use of auxiliary differential equations, a unified split-step precise integration time-domain (SS-PITD) method is proposed for modelling wave propagation in linear dispersive media. The unification of this method is achieved by using a general expression to represent the Debye, Lorentz and Drude dielectric medium models. Moreover, due to the introduction of the SS scheme, the original two-dimensional (2D) or 3D electromagnetic problem reduces to a set of 1D sub-problems which can be efficiently solved by using the conventional PITD algorithm. It leads to a great reduction in the requirement of computation time and storage space. The proposed method is verified with a numerical example and compared with the finite-difference time-domain method.

引用

页码：1135 / 1136

页数：2

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