Fast direct (noniterative) solvers for integral-equation formulations of scattering problems

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buir.contributor.authorGürel, Levent
dc.citation.epage301en_US
dc.citation.spage298en_US
dc.contributor.authorGürel, Leventen_US
dc.contributor.authorChew, W. C.en_US
dc.coverage.spatialAtlanta, GA, USAen_US
dc.date.accessioned2016-02-08T11:59:26Zen_US
dc.date.available2016-02-08T11:59:26Zen_US
dc.date.issued1998en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.descriptionDate of Conference: 21-26 June 1998en_US
dc.descriptionConference Name: Antennas and Propagation Society International Symposium, IEEE 1998en_US
dc.description.abstractA family of direct (noniterative) solvers with reduced computational complexity is proposed for solving problems involving resonant or near-resonant structures. Based on the recursive interaction matrix algorithm, the solvers exploit the aggregation concept of the recursive aggregate T-matrix algorithm to accelerate the solution. Direct algorithms are developed to compute the scattered field and the current coefficient, and invert the impedance matrix. Computational complexities of these algorithms are expressed in terms of the number of harmonics P required to express the scattered field of a larger scatterer made up of N scatterers. The exact P-N relation is determined by the geometry.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T11:59:26Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 1998en
dc.identifier.doi10.1109/APS.1998.699139en_US
dc.identifier.issn0272-4693en_US
dc.identifier.urihttp://hdl.handle.net/11693/27680
dc.language.isoEnglishen_US
dc.publisherIEEEen_US
dc.relation.isversionofhttps://doi.org/10.1109/APS.1998.699139en_US
dc.source.titleProceedings of the Antennas and Propagation Society International Symposium, IEEE 1998en_US
dc.subjectAlgorithmsen_US
dc.subjectComputational complexityen_US
dc.subjectComputational methodsen_US
dc.subjectElectric currentsen_US
dc.subjectElectric impedanceen_US
dc.subjectElectromagnetic field theoryen_US
dc.subjectIntegral equationsen_US
dc.subjectMatrix algebraen_US
dc.subjectComputational electromagneticsen_US
dc.subjectDirect solversen_US
dc.subjectRecursive aggregate T-matrix algorithm (RATMA)en_US
dc.subjectRecursive interaction matrix algorithm (RIMA)en_US
dc.subjectElectromagnetic wave scatteringen_US
dc.titleFast direct (noniterative) solvers for integral-equation formulations of scattering problemsen_US
dc.typeConference Paperen_US

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