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dc.creatorIlić, Milan M.
dc.creatorĐorđević, Miroslav
dc.creatorIlić, Anđelija Z.
dc.creatorNotaros, Branislav M.
dc.date.accessioned2018-03-01T20:47:16Z
dc.date.available2018-03-01T20:47:16Z
dc.date.issued2009
dc.identifier.issn0018-926X
dc.identifier.urihttps://vinar.vin.bg.ac.rs/handle/123456789/3696
dc.description.abstractA novel higher order large-domain hybrid computational electromagnetic technique based on the finite element method (FEM) and method of moments (MoM) is proposed for three-dimensional analysis of antennas and scatterers in the frequency domain. The geometry of the structure is modeled using generalized curved parametric hexahedral and quadrilateral elements of arbitrary geometrical orders. The fields and currents on elements are modeled using curl- and divergence-conforming hierarchical polynomial vector basis functions of arbitrary approximation orders, and the Galerkin method is used for testing. The elements can be as large as about two wavelengths in each dimension. As multiple MoM objects are possible in a global exterior region, the MoM part provides much greater modeling versatility and potential for applications, especially in antenna problems, than just as a boundary-integral closure to the FEM part. The examples demonstrate excellent accuracy, convergence, efficiency, and versatility of the new FEM-MoM technique, and very effective large-domain meshes that consist of a very small number of large flat and curved FEM and MoM elements, with p-refined field and current distributions of high approximation orders. The reduction in the number of unknowns is by two orders of magnitude when compared to available data for low-order FEM-MoM modeling.en
dc.relationNational Science Foundation [ECCS-0647380, ECCS-0650719], Serbian Ministry of Science and Technological Development [ET-11021]
dc.rightsrestrictedAccessen
dc.sourceIEEE Transactions on Antennas and Propagationen
dc.subjectAntennasen
dc.subjectcurved parametric elementsen
dc.subjectelectromagnetic analysisen
dc.subjectfinite element method (FEM)en
dc.subjecthigher order modelingen
dc.subjecthybrid methodsen
dc.subjectmethod of moments (MoM)en
dc.subjectnumerical techniquesen
dc.subjectpolynomial basis functionsen
dc.subjectscatteringen
dc.titleHigher Order Hybrid FEM-MoM Technique for Analysis of Antennas and Scatterersen
dc.typearticleen
dc.rights.licenseARR
dcterms.abstractИлиц, Милан М.; Дјордјевиц, Мирослав; Нотарос, Бранислав М.; Илић Aнђелија З.;
dc.citation.volume57
dc.citation.issue5
dc.citation.spage1452
dc.citation.epage1460
dc.identifier.wos000265937400018
dc.identifier.doi10.1109/TAP.2009.2016725
dc.citation.rankM21
dc.type.versionpublishedVersion
dc.identifier.scopus2-s2.0-67349238876


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