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導(dǎo)波結(jié)構(gòu)三維不連續(xù)性問(wèn)題的高次六面體邊緣元分析

徐善駕,  賈冬炎

徐善駕, 賈冬炎. 導(dǎo)波結(jié)構(gòu)三維不連續(xù)性問(wèn)題的高次六面體邊緣元分析[J]. 電子與信息學(xué)報(bào), 2001, 23(2): 160-167.
引用本文: 徐善駕, 賈冬炎. 導(dǎo)波結(jié)構(gòu)三維不連續(xù)性問(wèn)題的高次六面體邊緣元分析[J]. 電子與信息學(xué)報(bào), 2001, 23(2): 160-167.
Xu Shanjia, Jia Dongyan . HIGH-ORDER 3-D EDGE-ELEMENT ANALYSIS OF THE 3-D DISCONTINUITY PROBLEMS IN GUIDED WAVE STRUCTURES[J]. Journal of Electronics & Information Technology, 2001, 23(2): 160-167.
Citation: Xu Shanjia, Jia Dongyan . HIGH-ORDER 3-D EDGE-ELEMENT ANALYSIS OF THE 3-D DISCONTINUITY PROBLEMS IN GUIDED WAVE STRUCTURES[J]. Journal of Electronics & Information Technology, 2001, 23(2): 160-167.

導(dǎo)波結(jié)構(gòu)三維不連續(xù)性問(wèn)題的高次六面體邊緣元分析

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

  • 摘要: 該文從全磁場(chǎng)矢量泛函出發(fā),討論了一種54參量六面體邊緣元的空間構(gòu)造。這種高次三維邊緣元方法不但有效地消除了偽解,而且具有很高的計(jì)算精度。用這種方法對(duì)導(dǎo)波結(jié)構(gòu)三維不連續(xù)性散射問(wèn)題的分析,證實(shí)了它的有效性和可靠性。與12參量六面體邊緣元計(jì)算結(jié)果的比較表明:本文方法具有更高的精度和計(jì)算效率,是一種求解三維不連續(xù)性問(wèn)題的高效數(shù)值方法,有著推廣應(yīng)用的實(shí)際價(jià)值。
    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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出版歷程
  • 收稿日期:  1999-05-21
  • 修回日期:  1999-10-22
  • 刊出日期:  2001-02-19

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