波导本征值问题的有限元分析
THE FINITE-ELEMENT ANALYSIS OF WAVEGUIDE EIGENVALUE PROBLEM
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摘要: 本文简要讨论了波导本征值问题的有限元分析方法。给出了一个用有限元法求解波导本征值问题的标准程序。使用该程序可以获得一大类横截面周界由直线及圆弧围成的波导的各个本征值和本征函数。文中通过对十几种不同结构波导本征值问题的求解,证实了该程序的可靠性。
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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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