| 一种基于高阶矢量叠层基函数去除复杂谐振腔三维有限元仿真中的伪直流模式的新方法 |
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| 引用本文： | 徐立,李斌,杨中海.一种基于高阶矢量叠层基函数去除复杂谐振腔三维有限元仿真中的伪直流模式的新方法[J].电子学报,2012,40(6):1171-1176. |
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| 作者姓名： | 徐立 李斌 杨中海 |
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| 作者单位： | 电子科技大学物理电子学院,四川成都,610054 |
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| 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.
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| 关 键 词： | 谐振腔 有限元法 伪直流模式 多注速调管 叠层基函数 |
| 收稿时间： | 2010-12-04 |
A Novel Approach of Removing Spurious DC Modes in 3-D Finite-Element Modeling of Complex Cavity Based on Higher-Order Vector Hierarchical Basis |
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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. |
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| Authors: | XU Li LI Bin YANG Zhong-hai |
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| Affiliation: | (School of Physical Electronics,University of Electronic Science and Technology of China,Chengdu,Sichuan 610054,China) |
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| 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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| Keywords: | cavity finite-element method spurious modes multi-beam klystron hierarchical basis |
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