Analysis of photonic-crystal problems with MLFMA and approximate Schur preconditioners

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buir.contributor.authorGürel, Levent
buir.contributor.authorErgül, Özgür
dc.citation.epage86en_US
dc.citation.spage82en_US
dc.contributor.authorErgül, Özgüren_US
dc.contributor.authorMalas, Tahiren_US
dc.contributor.authorKılınç, Seçilen_US
dc.contributor.authorSarıtaş, Serkanen_US
dc.contributor.authorGürel, Leventen_US
dc.coverage.spatialIzmir, Turkey
dc.date.accessioned2016-02-08T12:27:32Z
dc.date.available2016-02-08T12:27:32Z
dc.date.issued2009-07en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentComputational Electromagnetics Research Center (BiLCEM)en_US
dc.descriptionDate of Conference: 20-23 July 2009
dc.descriptionConference name: Computational Electromagnetics International Workshop, CEM 2009
dc.description.abstractWe consider fast and accurate solutions of electromagnetics problems involving three-dimensional photonic crystals (PhCs). Problems are formulated with the combined tangential formulation (CTF) and the electric and magnetic current combined-field integral equation (JMCFIE) discretized with the Rao-Wilton-Glisson functions. Matrix equations are solved iteratively by the multilevel fast multipole algorithm. Since PhC problems are difficult to solve iteratively, robust preconditioning techniques are required to accelerate iterative solutions. We show that novel approximate Schur preconditioners enable efficient solutions of PhC problems by reducing the number of iterations significantly for both CTF and JMCFIE. ©2009 IEEE.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T12:27:32Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2009en
dc.identifier.doi10.1109/CEM.2009.5228100en_US
dc.identifier.urihttp://hdl.handle.net/11693/28702
dc.language.isoEnglishen_US
dc.publisherIEEE
dc.relation.isversionofhttp://dx.doi.org/10.1109/CEM.2009.5228100en_US
dc.source.titleComputational Electromagnetics International Workshop, CEM 2009en_US
dc.subjectCombined field integral equationsen_US
dc.subjectElectromagneticsen_US
dc.subjectIterative solutionsen_US
dc.subjectMagnetic currentsen_US
dc.subjectMatrix equationsen_US
dc.subjectMulti-level fast multi-pole algorithmen_US
dc.subjectNumber of iterationsen_US
dc.subjectPreconditionersen_US
dc.subjectPreconditioning techniquesen_US
dc.subjectRao-wilton-glisson functionsen_US
dc.subjectThree dimensional photonic crystalsen_US
dc.subjectComputational efficiencyen_US
dc.subjectElectromagnetismen_US
dc.subjectPhotonic crystalsen_US
dc.titleAnalysis of photonic-crystal problems with MLFMA and approximate Schur preconditionersen_US
dc.typeConference Paperen_US

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