The effect of wall thickness on the scattering of electromagnetic waves cavities

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dc.contributor.authorDemiryurek, Oguzhan
dc.contributor.authorUnal, Filiz Birbir
dc.date.accessioned2026-07-01T11:40:02Z
dc.date.available2026-07-01T11:40:02Z
dc.date.issued2026
dc.departmentDüzce Üniversitesi
dc.description.abstractThe scattering of electromagnetic waves by an infinitely long rectangular cavity with finite wall thickness is rigorously analyzed for E-polarization by developing a modified Wiener-Hopf formulation that extends the classical procedure to non-canonical geometries. The finite wall thickness introduces additional waveguide sections and coupling interfaces, which break the half-plane geometry underlying the standard Wiener-Hopf procedure. To overcome this challenge, the problem is reformulated as a system of modified Wiener-Hopf equations of the third kind (MWHE-3) by integrating the mode-matching technique within the cavity and wall regions. The resulting formulation accommodates the multiple reflections and modal interactions introduced by thick walls while preserving the mathematical rigor and edge condition satisfaction characteristic of the Wiener-Hopf approach. The solution involves coupled infinite systems of linear algebraic equations, efficiently solved through truncation. The scattered field is then evaluated using the inverse Fourier transform and saddle-point techniques. Numerical examples demonstrate the influence of wall thickness on the diffraction characteristics.
dc.identifier.doi10.1016/j.ijengsci.2025.104419
dc.identifier.issn0020-7225
dc.identifier.issn1879-2197
dc.identifier.orcid0000-0002-2993-4419
dc.identifier.scopus2-s2.0-105022266408
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.ijengsci.2025.104419
dc.identifier.urihttps://hdl.handle.net/20.500.12684/23597
dc.identifier.volume219
dc.identifier.wosWOS:001626854100001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPergamon-Elsevier Science Ltd
dc.relation.ispartofInternational Journal of Engineering Science
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20260623
dc.subjectCavity With Thick Walls
dc.subjectElectromagnetic Waves
dc.subjectModified Wiener-Hopf Equation
dc.subjectScattering
dc.titleThe effect of wall thickness on the scattering of electromagnetic waves cavities
dc.typeArticle

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