General formulation of unconditionally stable ADI-FDTD method in linear dispersive media

被引：32
|
作者：
Dong, XT [1 ]
Venkatarayalu, NV [1 ]
Guo, B [1 ]
Yin, WY [1 ]
Gan, YB [1 ]
机构：
[1] Natl Univ Singapore, Temasek Labs, Singapore 119260, Singapore
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2004年 / 52卷 / 01期
关键词：
alternating-directiori-implicit-finite-difference; time-domain (ADI-FDTD) method; dispersive media; Z-transform;
D O I：
10.1109/TMTT.2003.821269
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 unconditionally stable alternating-direction-implicit-finite-difference time-domain (ADI-FDTD) method is used to model Wave propagation in dispersive media. A formulation is presented by introducing the Z-transform method into the ADI-FDTD scheme to handle the frequency-dependent features of the media. This formulation is applicable to arbitrary dispersive media, and can be easily coded. Numerical results are compared to those based on the conventional FDTD method to show the efficiency of the proposed method.
引用
收藏
页码：170 / 174
页数：5
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