Dispersion-error optimized ADI FDTD

被引：11

作者：

Ahmed, Iftikhar ^{[1
]}

Chen, Zhizhang ^{[1
]}

机构：

[1] Dalhousie Univ, Microwave & Wireless Res Lab, Halifax, NS B3J 1Z1, Canada

来源：

2006 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, VOLS 1-5 | 2006年

关键词：

dispersion; ADI-FDTD; FDTD; CFL; Maxwell's equations; dispersion optimized FDTD;

D O I：

10.1109/MWSYM.2006.249440

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：

ADI-FDTD method is efficient in solving fine RF/microwave structures due to its unconditionally stable characteristics. However, it suffers from large dispersions with the increase of time steps. In this paper, an error-minimized ADI-FDTD method is proposed that is less dispersive as compared to the conventional ADI-FDTD method. It is formulated in such a way that no extra memory or simulation time is required in its computations. It is still unconditionally stable but with much less dispersion errors. Numerical examples are presented to demonstrate its efficiency and accuracy.

引用

页码：173 / +

页数：3

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