波導(dǎo)本征值問題的有限元分析
THE FINITE-ELEMENT ANALYSIS OF WAVEGUIDE EIGENVALUE PROBLEM
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摘要: 本文簡要討論了波導(dǎo)本征值問題的有限元分析方法。給出了一個用有限元法求解波導(dǎo)本征值問題的標(biāo)準(zhǔn)程序。使用該程序可以獲得一大類橫截面周界由直線及圓弧圍成的波導(dǎo)的各個本征值和本征函數(shù)。文中通過對十幾種不同結(jié)構(gòu)波導(dǎo)本征值問題的求解,證實了該程序的可靠性。
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關(guān)鍵詞:
Abstract: In this paper the finite-element analysis method of waveguide eigenvalue problem is briefly discussed. A standard program using finite-element method to solve waveguide eigenvalue problems is presented. With this program, it is possible to calculate the eigenvalues and eigenfunctions for a group of waveguides consisting of lines and circular arcs. The calculations of eigenvalue problems for more than ten different structure waveguides verify the reliability of the program. -
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