A Model-Order Reduction Method for the Passband and Stopband Characteristics of Periodic Structures

被引：0

作者：

Bostani, A. ^{[1
]}

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

机构：

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

来源：

2011 41ST EUROPEAN MICROWAVE CONFERENCE | 2011年

关键词：

complex propagation constant; electromagnetic bandgap; finite element method; model-order reduction; periodic structures; ELECTROMAGNETIC-WAVES; FINITE-ELEMENTS;

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：

A recent 3-D finite element method allows the complex Floquet propagation constant of a periodic structure to be computed at a specified frequency by solving a sparse, generalized eigenvalue problem. To determine the propagation constant for a frequency range requires repeating this eigenanalysis at a large number of frequency points, which is computationally expensive. A model order reduction technique is applied to reduce the dimension of the eigenproblem and to lower considerably the overall computational cost. Results for three 3-D test problems - a metallic cube and two planar structures used in power distribution networks - confirm the accuracy and efficiency of the new method.

引用

页码：167 / 170

页数：4

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