Stability of the Extended Four-Step ADI-FDTD Method Including Lumped Elements

被引：0
|
作者：
Kong, Yong-Dan [1 ,2 ]
Chu, Qing-Xin [1 ]
机构：
[1] South China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510640, Guangdong, Peoples R China
[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China
来源：
2016 ASIA-PACIFIC INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY (APEMC) | 2016年
关键词：
Finite-difference time-domain (FDTD); alternating direction implicit; lumped elements; stability; NUMERICAL-ANALYSIS; ACCURACY;
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：
The stability of the four-step alternating direction implicit finite-difference time-domain (ADI-FDTD) method including lumped elements is studied. Three common lumped elements are investigated: resistor, capacitor and inductor, and three different formulations for each element are analyzed: the explicit, semi-implicit, and implicit schemes. Analysis results show that the proposed method is unconditionally stable in the semi-implicit and implicit schemes, whereas it is conditionally stable in the explicit scheme, which its stability is related to both the mesh size and values of the element. Finally, a simple microstrip circuit including a lumped resistor is simulated to demonstrate the validity of the theoretical results.
引用
收藏
页码：1122 / 1124
页数：3
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