Hybrid Analysis of Structures Composed of Axially Symmetric Objects

A hybrid method for the scattering problems in shielded and open structures is presented. The procedure is based on the combination of body-of-revolution involving finite-element methods with impedance matrix formulation and the mode-matching technique, which can be utilized for the analysis of stru...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 2020-11, Vol.68 (11), p.4528-4535
Main Authors: Warecka, Malgorzata, Lech, Rafal, Kowalczyk, Piotr
Format: Article
Language:English
Subjects:
Body of revolution (BOR)
cylindrical waveguides
Electromagnetic fields
Finite element analysis
Finite element method
finite-element method (FEM)
generalized impedance matrix (GIM)
Geometry
Impedance
Impedance matrix
Microwave theory and techniques
periodic structures
Scattering
Surface impedance
Transmission line matrix methods
waveguide discontinuities
Waveguides
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Summary:A hybrid method for the scattering problems in shielded and open structures is presented. The procedure is based on the combination of body-of-revolution involving finite-element methods with impedance matrix formulation and the mode-matching technique, which can be utilized for the analysis of structures with axially symmetrical scatterers. In order to confirm the validity and efficiency of the proposed approach, a few examples of electromagnetic field scattering in open and waveguide structures are analyzed. The results cohere with those obtained by commercial software.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2020.3014944