Validation of higher-order approximations and boundary conditions for lossy conducting bodies

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buir.contributor.authorSukharevsky, Ilya O.
buir.contributor.authorAltıntaş, Ayhan
dc.citation.epage4663en_US
dc.citation.issueNumber9en_US
dc.citation.spage4656en_US
dc.citation.volumeNumber62en_US
dc.contributor.authorSukharevsky, Ilya O.en_US
dc.contributor.authorAltıntaş, Ayhanen_US
dc.date.accessioned2016-02-08T10:44:21Z
dc.date.available2016-02-08T10:44:21Z
dc.date.issued2014-09en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentCommunications and Spectrum Management Research Center (ISYAM)en_US
dc.description.abstractThe problem of high-frequency diffraction by a smooth lossy body with high conductivity is considered. In addition to the geometrical optics approximation, additional asymptotic terms are derived to take into account the curvature of the boundary and material properties. Since these higher-order terms are derived by taking into account exact boundary conditions, it is easy to learn about the limitations of impedance conditions and to determine more accurate approximate conditions. The obtained higher-order boundary conditions and their limitations are numerically validated by solving Muller's second-kind integral equations. © 2014 IEEE.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T10:44:21Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2014en
dc.identifier.doi10.1109/TAP.2014.2331991en_US
dc.identifier.issn0018-926X
dc.identifier.urihttp://hdl.handle.net/11693/25414
dc.language.isoEnglishen_US
dc.publisherInstitute of Electrical and Electronics Engineersen_US
dc.relation.isversionofhttp://dx.doi.org/10.1109/TAP.2014.2331991en_US
dc.source.titleIEEE Transactions on Antennas and Propagationen_US
dc.subjectAsymptotic diffraction theoryen_US
dc.subjectBoundary value problemsen_US
dc.subjectConducting materialsen_US
dc.subjectHigher-order boundary conditionsen_US
dc.subjectImpedance boundary conditions (IBCs)en_US
dc.titleValidation of higher-order approximations and boundary conditions for lossy conducting bodiesen_US
dc.typeArticleen_US

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