Antenna Modeling Using an Iterative Absorbing Boundary Condition and High-Order Finite Elements

被引：1

作者：

Paul, P. ^{[1
]}

Webb, J. P. ^{[1
]}

机构：

[1] McGill Univ, Dept Elect & Comp Engn, Montreal, PQ H3A 2A7, Canada

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2009年 / 45卷 / 03期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Adaptive absorbing boundary condition; antenna feeds; antenna radiation patterns; antennas; boundary value problems; finite-element methods; ELECTROMAGNETIC SCATTERING; ERRORS;

D O I：

10.1109/TMAG.2009.2012571

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 iterative absorbing boundary condition (IABC) is a flexible and accurate way of truncating the computational domain for finite-element analysis of electromagnetic wave scattering, particularly when the element orders are adjusted carefully to minimize overall computational cost. The method is here extended to antenna problems, taking into account the feed modeling. Discretization and boundary errors in the feed reflection coefficient or in the radiated field are balanced during the iteration. Results for a waveguide terminated in a flange, a horn antenna, and a microstrip patch antenna demonstrate the accuracy of the approach, and the computational savings relative to the use of the same element order during the whole iteration.

引用

页码：1048 / 1051

页数：4

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