Comments on "An efficient PML implementation for the ADI-FDTD method"

被引：5
|
作者：
Zhao, AP [1 ]
机构：
[1] Nokia Res Ctr, Radio Commun Lab, FIN-00180 Helsinki, Finland
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2004年 / 14卷 / 05期
关键词：
ADI-FDTD; FDTD method; numerical dispersion; PML;
D O I：
10.1109/LMWC.2004.827847
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：
In this letter, a more precise way to evaluate the actual performance of the perfectly matched layer (PML) used for the alternating direction implicit finite-difference time-domain (ADI-FDTD) method is presented. It is shown that the intrinsic numerical dispersion error of the ADI-FDTD method must be taken into account when the actual performance of the ADI-PML (as well as the ADI-FDTD method) is evaluated. Most importantly, it is demonstrated that the ADI-PMLs implemented with either the traditional manner or the way proposed in [1] have almost the same level of accuracy when the performance of the ADI-PML is correctly evaluated.
引用
收藏
页码：248 / 249
页数：2
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