A Novel Approach of Removing Spurious DC Modes in 3-D Finite-Element Modeling of Complex Cavity Based on Higher-Order Vector Hierarchical Basis

XU Li; LI Bin; YANG Zhong-hai

doi:10.3969/j.issn.0372-2112.2012.06.017

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A Novel Approach of Removing Spurious DC Modes in 3-D Finite-Element Modeling of Complex Cavity Based on Higher-Order Vector Hierarchical Basis

更新时间：2025-07-16

- A Novel Approach of Removing Spurious DC Modes in 3-D Finite-Element Modeling of Complex Cavity Based on Higher-Order Vector Hierarchical Basis
- Acta Electronica Sinica Vol. 40, Issue 6, Pages: 1171-1176(2012)
- 作者机构：
  
  电子科技大学物理电子学院,四川,成都,610054
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China (No.60801029, No.10876005, No.60931001, No.61071030, No.10905009)
- DOI：10.3969/j.issn.0372-2112.2012.06.017
  CLC： TN82
- Published：2012
- 稿件说明：
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XU Li, LI Bin, YANG Zhong-hai. A Novel Approach of Removing Spurious DC Modes in 3-D Finite-Element Modeling of Complex Cavity Based on Higher-Order Vector Hierarchical Basis[J]. Acta Electronica Sinica, 2012, 40(6): 1171-1176.
DOI：

XU Li, LI Bin, YANG Zhong-hai. A Novel Approach of Removing Spurious DC Modes in 3-D Finite-Element Modeling of Complex Cavity Based on Higher-Order Vector Hierarchical Basis[J]. Acta Electronica Sinica, 2012, 40(6): 1171-1176. DOI： 10.3969/j.issn.0372-2112.2012.06.017.

摘要

基于高阶矢量叠层基函数

提出了一种去除复杂谐振腔三维有限元仿真中产生的伪直流模式的新方法.该方法可以非常方便、高效地将谐振腔有限元仿真中所有伪直流模式完全去除.利用该方法可以得到一个精确、高效和稳定的有限元本征求解器.该本征求解器在仿真三维复杂谐振腔上和目前流行的电磁场商业软件的本征模求解器相比具有相当的精度并且具有更高的效率.

Abstract

A convenient and efficient approach of removing the spurious DC modes in three-dimensional finite-element solution for modeling complex cavity is proposed.This method is based on higher-order hierarchical basis functions.Application of this approach results in a robust

accurate and efficient eigenmode solver of complex cavity which significantly saves the memory as well as computational time compared with the commercial electromagnetic software.

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