Stretched-coordinate PMLs for Maxwell's equations in the discontinuous Galerkin time-domain method

被引：8
|
作者：
Koenig, Michael [1 ]
Prohm, Christopher
Busch, Kurt
Niegemann, Jens
机构：
[1] Karlsruhe Inst Technol KIT, Inst Theoret Festkorperphys, Karlsruhe, Germany
来源：
OPTICS EXPRESS | 2011年 / 19卷 / 05期
关键词：
BOUNDARY-CONDITIONS; SIMULATIONS;
D O I：
10.1364/OE.19.004618
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The discontinuous Galerkin time-domain method (DGTD) is an emerging technique for the numerical simulation of time-dependent electromagnetic phenomena. For many applications it is necessary to model the infinite space which surrounds scatterers and sources. As a result, absorbing boundaries which mimic its properties play a key role in making DGTD a versatile tool for various kinds of systems. Popular techniques include the Silver-Muller boundary condition and uniaxial perfectly matched layers (UPMLs). We provide novel instructions for the implementation of stretched-coordinate perfectly matched layers in a discontinuous Galerkin framework and compare the performance of the three absorbers for a three-dimensional test system. (C) 2011 Optical Society of America
引用
收藏
页码：4618 / 4631
页数：14
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