Time-Domain Finite Element Method Analysis of Frequency-Dependent Transmission Lines

被引：2

作者：

Juric-Grgic, Ivica ^{[1
]}

Bernadic, Alen ^{[1
]}

Lucic, Rino ^{[1
]}

机构：

[1] Univ Split, Fac Elect Engn Mech Engn & Naval Architecture, Split 21000, Croatia

来源：

IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY | 2016年 / 58卷 / 01期

关键词：

Finite element method (FEM); frequency-dependent parameters; time-domain analysis; COMPUTATIONAL ELECTROMAGNETICS CEM; SELECTIVE VALIDATION FSV; APPROXIMATION; TRANSIENTS; SIMULATION;

D O I：

10.1109/TEMC.2015.2501541

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 paper presents the finite element (FE) time-domain model for numerical solution of frequency-dependent transmission lines (TLs) problem. Based on the finite element method (FEM) and the generalized trapezoidal rule applied to frequency-dependent TL equations, a novel numerical procedure for a solution of a system of the telegraph equations in time domain is presented. The principles of the proposed method, for the sake of simplicity, have been shown to the case of two-conductor TL where frequency-dependent per-unit length TL parameters have been incorporated into the FE local system of equations by the direct convolution algorithm. The proposed numerical method has been tested and compared to the solutions available in the literature, and a good correlation has been demonstrated.

引用

页码：287 / 293

页数：7

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