The unconditionally stable pseudospectral time-domain (PSTD) method

被引：3
|
作者：
Gang, Z [1 ]
Qing, HL [1 ]
机构：
[1] Duke Univ, Dept Elect & Comp Engn, Durham, NC 27708 USA
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2003年 / 13卷 / 11期
关键词：
alternating direction implicit (ADI) technique; FDTD; PSTD; split-step scheme; ALGORITHM;
D O I：
10.1109/LMWC.2003.819372
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 letter presents a new time-domain method for Maxwell's equations, in which the unconditionally stable techniques, the alternating direction implicit (ADI) and the split-step (SS) schemes, are developed for the pseudospectral time-domain (PSTD) algorithm to maintain stability. while achieving higher accuracy and efficiency over the FDTD method. The multidomain strategy is employed to allow for a flexible treatment of internal inhomogeneities. Numerical results demonstrate the unconditional stability and the second-order accuracy for both ADI- and SS-PSTD algorithms.
引用
收藏
页码：475 / 477
页数：3
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