Novel Unconditionally Stable ADI-FDTD Method with Low Numerical Dispersion

被引：0

作者：

Ding, Jinchao ^{[1
]}

Zhao, Zhiqin ^{[1
]}

Yang, Yaohui ^{[1
]}

Ding, Xiaoxiang ^{[1
]}

Liu, Qinghuo ^{[2
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Elect Engn, Chengdu 611731, Sichuan, Peoples R China

[2] Duke Univ, Dept Elect & Comp Engn, Durham, NC 27708 USA

来源：

2018 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION & USNC/URSI NATIONAL RADIO SCIENCE MEETING | 2018年

基金：

中国国家自然科学基金;

关键词：

ADI-FDTD; ID-FDTD; numerical dispersion; weighting factor; scaling factor;

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：

A novel unconditional stable 2-D ADI-FDTD method with low numerical dispersion is introduced. The proposed method reformed the weighting factor and scaling factor of the isotropic-dispersion FDTD (ID-FDTD) for an optimized ADI-FDTD method, which can generate nearly the exact phase velocity for a single frequency. Compared with the optimized ADI-FDTD method, the numerical dispersion of the new method is significantly reduced.

引用

页码：1165 / 1166

页数：2

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