Performance of regular PML, CFS-PML, and second-order PML for waveguide problems

被引：67

作者：

Correia, Davi ^{[1
]}

Jin, Jian-Ming ^{[1
]}

机构：

[1] Univ Illinois, Dept Elect & Comp Engn, Ctr Computat Electromagnet, Urbana, IL 61801 USA

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2006年 / 48卷 / 10期

关键词：

perfectly matched layers; finite difference time domain (FDTD) method; numerical analysis; computational electromagnetics;

D O I：

10.1002/mop.21872

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：

The performance of regular, complex frequency shafted (CFS), and second-order perfecfly matched layers (PMLs) is studied for the numerical simulation of waveguide problems. The limitations of each PML is clearly demonstrated. It is shown that the second-order PML is overall the best choice,for a general problem, since the regular PML is incapable of absorbing evanescent waves and the CFS-PML is ineffective for the absorption of low-frequency propagating waves. Both two- and three-dimensional problems are considered to confirm the analysis. (C) 2006 Wiley Periodicals, Inc.

引用

页码：2121 / 2126

页数：6

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