Decomposition methods for time-domain Maxwell's equations

被引：0
|
作者：
Huang, Zhi-Xiang [1 ]
Sha, Wei E. I. [1 ]
Wu, Xian-Liang [1 ]
Chen, Ming-Sheng [1 ]
机构：
[1] Anhui Univ, Minist Educ Hefei, Key Lab Intelligent Comp & Signal Proc, Hefei 230039, Peoples R China
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS | 2008年 / 56卷 / 09期
关键词：
decomposition; split operators; Hamiltonian function; Maxwell's equations;
D O I：
10.1002/fld.1569
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Decomposition methods based on split operators are proposed for numerical integration of the time-domain Maxwell's equations for the first time. The methods are obtained by splitting the Hamiltonian function of Maxwell's equations into two analytically computable exponential sub-propagators in the time direction based on different order decomposition methods, and then the equations are evaluated in the spatial direction by the staggered fourth-order finite-difference approximations. The stability and numerical dispersion analysis for different order decomposition methods are also presented. The theoretical predictions are confirmed by our numerical results. Copyright (C) 2007 John Wiley & Sons, Ltd.
引用
收藏
页码：1695 / 1704
页数：10
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