Boundary-marching method for discontinuity analysis in waveguides of arbitrary cross section

A recursive algorithm previously used in diffusion problems of geophysics and in electrostatics is extended to wave phenomena. It is used to construct a matrix representation for an infinitely long waveguide of arbitrary cross-sectional shape. This representation is used in finite-element analysis o...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 1992-10, Vol.40 (10), p.1889-1893
Main Authors: Foo, S.L., Silvester, P.P.
Format: Article
Language:English
Subjects:
Algorithm design and analysis
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Electrostatic analysis
Exact sciences and technology
Finite element methods
Geometry
Geophysics
Integrated optics. Optical fibers and wave guides
Optical and optoelectronic circuits
Shape
Testing
Transmission line matrix methods
Waveguide discontinuities
Waveguide junctions
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Summary:A recursive algorithm previously used in diffusion problems of geophysics and in electrostatics is extended to wave phenomena. It is used to construct a matrix representation for an infinitely long waveguide of arbitrary cross-sectional shape. This representation is used in finite-element analysis of waveguide discontinuities. In numerical tests, scattering matrices for the long guides converge to nearly full word-length in six to seven recursion steps, and discontinuity characteristics are within 1-2% of known results where they exist.< >
ISSN:0018-9480
1557-9670
DOI:10.1109/22.159625