A Variational Rayleigh-Ritz Method for Modeling H -Plane Bend Rectangular Waveguides

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorFederal Center for Technological Education Celso Suckow da Fonseca (CEFET/RJ)-
Autor(es): dc.creatorRosa, Guilherme S.-
Autor(es): dc.creatorRibeiro, Raul O.-
Autor(es): dc.creatorSimionato, Eligia-
Autor(es): dc.creatorPenchel, Rafael A.-
Data de aceite: dc.date.accessioned2025-08-21T17:47:45Z-
Data de disponibilização: dc.date.available2025-08-21T17:47:45Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1109/TMTT.2024.3421610-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/298800-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/298800-
Descrição: dc.descriptionThis article introduces a novel variational formula for modeling waveguides with uniformly curved longitudinal axes. Using the Rayleigh-Ritz method, we analyze the electromagnetic fields in H-plane bend rectangular waveguides. In addition, we present a Galerkin method solution (GMS) for discretizing the associated vector Helmholtz equation within a local curved coordinate system. The proposed methodologies are validated through comparison with analytical results and a Galerkin-based solution from the literature across several representative scenarios. The rate of convergence, with respect to the number of expansion terms in the Rayleigh-Ritz method solution (RRMS), is observed to be faster than that in Galerkin-based solutions, while requiring comparable computational times. Furthermore, we explore the impact of both dielectric and conduction losses via the Rayleigh-Ritz method, aspects previously unattainable with analytical methods.-
Descrição: dc.descriptionSão Paulo State University (Unesp) São João da Boa Vista School of Engineering-
Descrição: dc.descriptionFederal Center for Technological Education Celso Suckow da Fonseca (CEFET/RJ) Department of Electrical Engineering-
Descrição: dc.descriptionSão Paulo State University (Unesp) São João da Boa Vista School of Engineering-
Formato: dc.format482-493-
Idioma: dc.languageen-
Relação: dc.relationIEEE Transactions on Microwave Theory and Techniques-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectCurved rectangular waveguide-
Palavras-chave: dc.subjectGalerkin method-
Palavras-chave: dc.subjectRayleigh-Ritz method-
Palavras-chave: dc.subjectvariational solution-
Título: dc.titleA Variational Rayleigh-Ritz Method for Modeling H -Plane Bend Rectangular Waveguides-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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