Introducing Nonuniform Grids into the FDTD Solution of the Transmission-Line Equations by Renormalizing the Per-Unit-Length Parameters

被引：4

作者：

Armenta, Roberto B. ^{[1
]}

Sarris, Costas D. ^{[1
]}

机构：

[1] Univ Toronto, Edward S Rogers Sr Dept Elect & Comp Engn, Toronto, ON M5S 3G4, Canada

来源：

IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY | 2009年 / 51卷 / 03期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Distributed parameter circuits; finite-difference time-domain (FDTD) methods; transmission lines; FINITE-DIFFERENCE; SUBGRIDDING ALGORITHM; DOMAIN; TIME; GEOMETRY;

D O I：

10.1109/TEMC.2009.2019763

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 challenging aspect of using the finite-difference time-domain (FDTD) method to solve nonuniform transmission-line equations is to choose a discretization grid with an adequate spatial resolution. When the per-unit-length parameters have strong variations, an efficient problem-solving strategy requires the use of a nonuniform discretization grid. This paper presents a nonuniform gridding method that makes use of an analytically defined coordinate transformation to map a nonuniformly spaced grid onto a uniformly spaced grid where the standard FDTD time stepping equations can be applied. This approach absorbs all the details of the nonuniform grid into effective or renormalized per-unit-length parameters.

引用

页码：818 / 824

页数：7

共 9 条

[1] EXTENSION OF THE TRANSMISSION LINE THEORY APPLICATION WITH MODIFIED ENHANCED PER-UNIT-LENGTH PARAMETERS
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