Auxiliary differential equation finite-element time-domain method for electromagnetic analysis of dispersive media

被引：6
|
作者：
Li, Linqian [1 ,2 ]
Wei, Bing [1 ,2 ]
Yang, Qian [1 ,2 ]
Ge, Debiao [1 ,2 ]
机构：
[1] Xidian Univ, Sch Phys & Optoelect Engn, Xian 710071, Peoples R China
[2] Xidian Univ, Collaborat Innovat Ctr Informat Sensing & Underst, Xian 710071, Peoples R China
来源：
OPTIK | 2019年 / 184卷
基金：
中国国家自然科学基金;
关键词：
Finite element time domain; Auxiliary differential equation; Dispersive media; FIELD DECOMPOSITION TECHNIQUE; SCATTERING;
D O I：
10.1016/j.ijleo.2019.03.057
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A new technique of Finite-Element Time-Domain (FETD) for electromagnetic analysis of dispersive media is presented. Firstly, the plane wave and matrix equation in dispersive media is obtained. An iteration equation contains J(p) and E is presented. Followed by an introduction of auxiliary differential Equation to the FETD method, a recursive formulation of constitutive for J(p) and E in time domain is given. Then the achievement of Auxiliary Differential Equation Finite-Element Time-Domain (ADE-FETD) is developed through combining the above two equations. Finally, the feasibility of this technique is validated with three-dimension numerical examples.
引用
收藏
页码：189 / 196
页数：8
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