3-D low numerical dispersion WLP-FDTD method with artificial anisotropy parameters

被引：1
|
作者：
Liu, Gui-Ying [1 ]
Ma, Ping [2 ]
Tian, Jing [3 ]
Quan, Jun [4 ]
Chen, Wei-Jun [1 ]
机构：
[1] Lingnan Normal Univ, Sch Elect & Elect Engn, Zhanjiang, Peoples R China
[2] Hyperveloc Aerodynam Inst, China Aerodynam Res & Dev Ctr, Mianyang, Sichuan, Peoples R China
[3] Univ Elect Sci & Technol China, Sch Elect Sci & Engn, Chengdu, Peoples R China
[4] Lingnan Normal Univ, Sch Phys Sci & Technol, Zhanjiang, Peoples R China
来源：
ELECTRONICS LETTERS | 2022年 / 58卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Finite difference time domain method;
D O I：
10.1049/ell2.12397
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：
Based on the weighted Laguerre polynomials (WLPs) and artificial anisotropic (AA) parameters, a 3-D unconditionally stable finite-difference time-domain (FDTD) electromagnetic simulation approach is proposed. The implementation of WLPs in time domain effectively eliminates the time step and AA parameters in spatial difference, resulting in suppressed numerical dispersion error. The monochromatic wave is employed as an example to obtain the numerical dispersion relationship of 3-D AA-WLP-FDTD under AA parameter, in which reduced numerical dispersion error is observed. Compared with the conventional WLP-FDTD technique, this approach demonstrates smaller numerical dispersion error under similar calculation cost.
引用
收藏
页码：179 / 181
页数：3
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