Efficient Implementation of 2-D Split-Field FDTD Method for Analyzing Periodic Structures

被引：3
|
作者：
Wang, Jianbao [1 ]
Wang, Jinlong [1 ]
Lei, Qi [1 ]
Shi, Lihua [1 ]
Chen, Hailin [1 ]
Liu, Haoquan [1 ]
机构：
[1] PLA Univ Sci & Technol, Nanjing 210007, Jiangsu, Peoples R China
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2017年 / 65卷 / 06期
基金：
美国国家科学基金会;
关键词：
Courant-Friedrich-Levy (CFL) stability condition; locally one-dimensional (LOD) scheme; periodic structures; split-field finite-difference time-domain (FDTD) method; TIME-DOMAIN ANALYSIS; INCIDENT PLANE-WAVE; OBLIQUE-INCIDENCE;
D O I：
10.1109/TAP.2017.2682230
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 communication presents an efficient implementation of the 2-D split-field method for solving problems of the oblique incident plane wave on periodic structures. First, by only splitting one field quantity Q(x) and adopting the locally one-dimensional scheme, the transformed Maxwell's equations are reformulated into a concise form. And then by some matrix operation, the field updating of the proposed method is implemented in the explicit scheme. Compared with the traditional split-field method, the Courant-Friedrich-Levy stability condition of the proposed method is weaker, and the CPU time and memory are saved. Numerical results demonstrate that the proposed method is more efficient.
引用
收藏
页码：3263 / 3266
页数：4
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