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Accelerated boundary integral method for solving the problem of scattering by multiple multilayered circular cylindrical posts in a rectangular waveguide
Riga Technical University, Latvia.
Riga Technical University, Latvia.
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för elektronik, matematik och naturvetenskap, Matematik.
2017 (engelsk)Inngår i: 2017 Progress In Electromagnetics Research Symposium - Fall (PIERS - FALL), Electromagnetics Academy , 2017, s. 3263-3271Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

An accelerated boundary integral method for the analysis of scattering of the dominant mode by multiple multi-layered full-height circular cylindrical posts in a rectangular waveguide is presented. After some transformations the surface integral equation is converted to a system of equations whose entries can be evaluated analytically yielding Schlömilch series. Slow convergence of these series is accelerated using the Ewald technique. The proposed method gives results that are comparable in terms of accuracy with other approaches, including those incorporated in solvers HFSS and CST Studio and outperforms them in terms of computation time, especially for posts with large electrical sizes. The efficiency of the proposed method is confirmed by the examples of H-plane cylinder bandpass filters design.

sted, utgiver, år, opplag, sider
Electromagnetics Academy , 2017. s. 3263-3271
Serie
Progress in Electromagnetics Research Symposium
Emneord [en]
Bandpass filters, Rectangular waveguides, Boundary integral methods, Computation time, Cylindrical posts, Dominant mode, Multi-layered, Slow convergences, Surface integral equations, System of equations, Integral equations
HSV kategori
Identifikatorer
URN: urn:nbn:se:hig:diva-26729DOI: 10.1109/PIERS.2017.8262320ISI: 000427596703053Scopus ID: 2-s2.0-85044934518ISBN: 9781509062690 (digital)ISBN: 978-1-5090-6270-6 (tryckt)OAI: oai:DiVA.org:hig-26729DiVA, id: diva2:1212994
Konferanse
2017 Progress In Electromagnetics Research Symposium - Spring, PIERS 2017, 22-25 May 2017, St. Petersburg, Russian Federation
Prosjekter
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Forskningsfinansiär
Swedish InstituteTilgjengelig fra: 2018-06-04 Laget: 2018-06-04 Sist oppdatert: 2018-06-04bibliografisk kontrollert

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