Analysis of Axisymmetric Waveguide Components by a Multi-Domain Spectral Method

A novel full-wave method aimed at analyzing axisymmetric waveguide devices is introduced in this paper. The method is based on the application of the equivalence theorem in order to decouple the outer and inner electromagnetic problems. The former refers to the access waveguides, the latter to the c...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 2015-01, Vol.63 (1), p.115-124
Main Authors: Tibaldi, Alberto, Addamo, Giuseppe, Peverini, Oscar Antonio, Orta, Renato, Virone, Giuseppe, Tascone, Riccardo
Format: Article
Language:English
Subjects:
Axisymmetric
Axisymmetric waveguide components
Benchmark testing
Benchmarking
Boundary value problems
Devices
Electromagnetics
Equivalence
horn antennas
Mathematical analysis
Microwaves
mortar-matching
Polynomials
Spectral methods
Transmission line matrix methods
Waveguide components
Waveguides
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Summary:A novel full-wave method aimed at analyzing axisymmetric waveguide devices is introduced in this paper. The method is based on the application of the equivalence theorem in order to decouple the outer and inner electromagnetic problems. The former refers to the access waveguides, the latter to the complex shape structure inside the device, which is modeled as a boundary value problem and solved by means of a multi-domain spectral method. Detailed comparisons with other simulation codes are reported for two benchmark structures and for a complex axisymmetric waveguide component.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2014.2376561