Development of an unconditionally stable full-wave 2D ADI-FDTD method for analysis of arbitrary wave guiding structures

被引：0
|
作者：
Ma, CN [1 ]
Chen, ZZ [1 ]
Zhao, AP [1 ]
机构：
[1] Dalhousie Univ, Wireless Res Lab, Dept Elect & Comp Engn, Halifax, NS B3J 2X4, Canada
来源：
2002 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, VOLS 1-3 | 2002年
关键词：
D O I：
暂无
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：
This paper presents the development of unconditionally stable full-wave 2D ADI-FDTD method for analysis of characteristics of arbitrary uniform wave guiding structures. The.,method is derived by assuming the field variation of e(-jbetaz) along the z-direction and multiplying the field equations with an additional factor j in the recently developed 3-dimensional ADI-FDTD algorithm. In difference from the conventional full-wave 2D FDTD, it does not require that the time step be bounded by the stability condition. As a result, much of CPU time and memory can be saved. The dispersion relation of the method is also presented and is used to determine effects of discretization parameters on the accuracy. To validate the method, a boxed microstrip line on an anisotropic sapphire substrate is calculated and the results are compared with those obtained with other methods.
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页码：2049 / 2052
页数：4
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