SPICE Lumped Circuit Subcell Model for the Discontinuous Galerkin Finite-Element Time-Domain Method

被引：13
|
作者：
Zhao, Bo [1 ]
Young, John C. [1 ]
Gedney, Stephen D. [1 ]
机构：
[1] Univ Kentucky, Dept Elect & Comp Engn, Lexington, KY 40506 USA
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2012年 / 60卷 / 09期
关键词：
Circuit model; discontinuous Galerkin time-domain (DGTD); finite element; SPICE; NONLINEAR MICROWAVE CIRCUITS; MAXWELLS EQUATIONS; INTEGRATED-CIRCUITS; ORDER; SIMULATION;
D O I：
10.1109/TMTT.2012.2203923
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 SPICE lumped circuit subcell model is formulated within the discontinuous Galerkin finite-element time-domain (DGFETD) discretization of Maxwell's equations. A fourth-order exponential time difference (ETD) algorithm is used for circuits that lead to stiff systems. The ETD method reduces to a standard fourth-order Runge-Kutta (RK4) time-integration for nonstiff regions. A number of test cases, including a microstrip transmission line terminated with general RLC networks, load arrays, and a diode detector are presented for the validation of the proposed hybrid DGFETD/SPICE solution method.
引用
收藏
页码：2684 / 2692
页数：9
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