导波结构三维不连续性问题的高次六面体边缘元分析

徐善驾; 贾冬炎

导波结构三维不连续性问题的高次六面体边缘元分析

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出版历程
- 收稿日期: 1999-05-21
- 修回日期: 1999-10-22
- 刊出日期: 2001-02-19

HIGH-ORDER 3-D EDGE-ELEMENT ANALYSIS OF THE 3-D DISCONTINUITY PROBLEMS IN GUIDED WAVE STRUCTURES

摘要

摘要: 该文从全磁场矢量泛函出发,讨论了一种54参量六面体边缘元的空间构造。这种高次三维边缘元方法不但有效地消除了伪解,而且具有很高的计算精度。用这种方法对导波结构三维不连续性散射问题的分析,证实了它的有效性和可靠性。与12参量六面体边缘元计算结果的比较表明:本文方法具有更高的精度和计算效率,是一种求解三维不连续性问题的高效数值方法,有着推广应用的实际价值。
- 导波结构; 三维不连续性; 高次边缘
Abstract: A 54 parameter high-order 3-D edge-element approach based on full magnetic vector variational formulas is discussed.This approach eliminates the spurious solutions efficiently and possesses very high accuracy.The analyses of the scattering characteristics of some 3-D discontinuity problems in guided wave structures verify the effective and reliability of the present method.The comparison between the numerical results obtained with 54 and 12 parameter edge element methods shows that the present approach is more accurate and efficient.

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S.R.Hool,S.R.Hoole,R.Rios,S.Yoganathan,Vector potential formulations and finite element trial functions,Int.J.Number.Meth.Eng.,1988,26(2),95-108.[2]M.L.Barton,Z.J.Cendes,New vector finite elements for three-dimensional magnetic field computation,J.Appl.Phys.,1987,61(8),3919-3921.[3]Z.J.Cendes,Vector finite elements for electromagnetic field,IEEE Trans.on Magnetics,1991,27(9),3958-3966.[4]JF.Lee,D.K.Sun,Z.J.Cendes,Tangential vector finite elements for electromagnetic field computation,IEEE Trans.on Magnetics,1991,27(9),4032-4035.[5]R.Miniowitz,J.P.Webb,Covariant-projection quadrilateral elements for the analysis of waveguides with sharp edges,IEEE Trans.on Microwave Theory Tech.,1991,MTT-39(8),1262-1271.[6]G.Mur,A.T.de Hoop,A finite-element method for computing three dimensional electromagnetic fields in inhomogeneous media,IEEE Trans.on Magnetics,1985,21(11),2188-2191.[7]A.Kameari,Calculation of transient 3D eddy current using edge-elements,IEEE Trans.on Magnetics,1990,26(3),466-469.[8]A.Bossavit,Rational A foredge-elementsin 3-D fields computations,IEEE Trans.on Magnetics,1988,24(1),74-79.[9]A.Bossavit,I.Mayergoyz,Edge-element for scattering problems,IEEE Trans.on Magnetics,1989,25(7),2816-2821.[10]H.Whitney,Geometric Integration Theory,New Jersey,Princeton University Press,1957,Chapter 1. ［11］J.P.Webb,Edge elements and what they can do for you,IEEE Trans.on Magnetics,1993,29(3),1460-1465.[11]K.Ise,K.Inoue,M.Koshib,Three-dimensional finite-element method with edge elements for electromagnetic waveguide discontinuities,IEEE Trans.on Microwave Theory Tech.,1991,MTT39(8),1289-1295.[12]M.Koshiba,K.Hayata,M.Suzuki,Vectorial finite-element formulaton without spurious solutions for dielectric waveguide problems, Electron. Lett.,1984,20(3),409-410. IEEE Trans.on Microwave Theory Tech.,1988,MTT-36(12),1825-1832.R.Mansour,R.S.K.Tong,R.H.MacPhie,Simplified description of the field distribution in finlines and ridge waveguides and its application to the analysis of E-plane discontinuities,IEEE Trans. on Microwave Theory Tech., 1988,MTT-36(12),1825-1832.[13]M.Koshiba,K.Hayata,M.Suzuki,Approximate scalar finite-element analysis of anisotropic optical waveguides with off-diagonal elements in permittivity tensor,IEEE Trans.on MicrowaveTheory Tech.,1984,MTT-32(6),587-593.[14]H.Katzier,Strenvrhalten elektromagnetischer wellen bei sprunghaften iibergangen geschirmter dielektrischer leitungen,Arch.Elektron.Ubertrag.Tech.,1984,38(3),290-296.[15]Xu Shanjia,Scattering characteristics of 3-D discontinuity consisting of semiconductor sample filled in waveguide with gaps, Int. J. Infrared and Millimeter Waves,1993,14(10),2155-2190.[16]Xu Shanjia,Sheng Xinqing,An automatic division technique for 3-D finite-element analysis of the discontinuity problem in the waveguide,India,Proceedings of the 4th International Symposium on Recent Advances in Microwave Technology,1993.

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