Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/854
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dc.contributorDepartment of Electrical Engineering-
dc.contributorIndustrial Centre-
dc.creatorFu, W-
dc.creatorHo, SL-
dc.creatorLi, HL-
dc.creatorWong, HCC-
dc.date.accessioned2014-12-11T08:25:19Z-
dc.date.available2014-12-11T08:25:19Z-
dc.identifier.issn0018-9464-
dc.identifier.urihttp://hdl.handle.net/10397/854-
dc.language.isoenen_US
dc.publisherInstitute of Electrical and Electronics Engineersen_US
dc.rights© 2002 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.en_US
dc.rightsThis material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.en_US
dc.subjectComputation timeen_US
dc.subjectFinite elementen_US
dc.subjectICCG methoden_US
dc.subjectNewton-Raphson methoden_US
dc.subjectNonlinearen_US
dc.subjectTime steppingen_US
dc.titleAn effective method to reduce the computing time of nonlinear time-stepping finite-element magnetic field computationen_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: W. N. Fuen_US
dc.description.otherinformationAuthor name used in this publication: S. L. Hoen_US
dc.description.otherinformationAuthor name used in this publication: H. C. Wongen_US
dc.identifier.spage441-
dc.identifier.epage444-
dc.identifier.volume38-
dc.identifier.issue2-
dc.identifier.doi10.1109/20.996117-
dcterms.abstractTime-stepping finite-element methods have been widely used to compute the magnetic field of electrical machines. Because the reluctivities of magnetic materials are nonlinear, the finite-element equations have to be solved iteratively. In this paper, an effective method for reducing the computing time of the Newton-Raphson method coupled with the incomplete Cholesky-conjugate gradient algorithm for solving time-stepping finite-element problems is presented. The proposed method is based on a proper prediction of some predefined error tolerances in the iteration processes at each time-stepping finite-element computation. The computational analysis on an induction motor shows that the proposed strategy can reduce the nominal computing time by as much as 50%.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationIEEE transactions on magnetics, Mar. 2002, v. 38, no. 2, p. 441-444-
dcterms.isPartOfIEEE transactions on magnetics-
dcterms.issued2002-03-
dc.identifier.isiWOS:000175086800032-
dc.identifier.scopus2-s2.0-0036493325-
dc.identifier.eissn1941-0069-
dc.identifier.rosgroupidr06511-
dc.description.ros2001-2002 > Academic research: refereed > Publication in refereed journal-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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