A broadband multilevel fast multipole algorithm with incomplete-leaf tree structures for multiscale electromagnetic problems

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dc.contributor.authorTakrimi, Manouchehren_US
dc.contributor.authorErgül, Ö.en_US
dc.contributor.authorErtürk, Vakur B.en_US
dc.coverage.spatialDavos, Switzerlanden_US
dc.date.accessioned2018-04-12T11:49:53Z
dc.date.available2018-04-12T11:49:53Z
dc.date.issued2016en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.descriptionDate of Conference: 10-15 April 2016en_US
dc.descriptionConference Name: 10th European Conference on Antennas and Propagation, EUCAP 2016en_US
dc.description.abstractAn efficient, broadband, and accurate multilevel fast multipole algorithm (MLFMA) is proposed to solve a wide range of multiscale electromagnetic problems with orders of magnitude differences in the mesh sizes. Given a maximum RWG population threshold, only overcrowded boxes are recursively bisected into smaller ones, which leads to novel incomplete-leaf tree structures. Simulations reveal that, for surface discretizations possessing highly overmeshed local regions, the proposed method presents a more efficient and/or accurate results than the conventional MLFMA. The key feature of such a population-based clustering scenario is that the error is controllable, and hence, regardless of the number of levels, the efficiency can be optimized based on the population threshold. Numerical examples are provided to demonstrate the superior efficiency and accuracy of the proposed algorithm in comparison to the conventional MLFMA.en_US
dc.identifier.doi10.1109/EuCAP.2016.7481237en_US
dc.identifier.urihttp://hdl.handle.net/11693/37745
dc.language.isoEnglishen_US
dc.publisherIEEEen_US
dc.relation.isversionofhttp://dx.doi.org/10.1109/EuCAP.2016.7481237en_US
dc.source.titleProceedings of the 10th European Conference on Antennas and Propagation, EUCAP 2016en_US
dc.subjectBroadband solversen_US
dc.subjectIncomplete leafen_US
dc.subjectMultilevel fast multipole algorithmen_US
dc.subjectMultiscale problemsen_US
dc.titleA broadband multilevel fast multipole algorithm with incomplete-leaf tree structures for multiscale electromagnetic problemsen_US
dc.typeConference Paperen_US

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