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Article: A spectral Lanczos decomposition method for solving axisymmetric low-frequency electromagnetic diffusion by the finite-element method

TitleA spectral Lanczos decomposition method for solving axisymmetric low-frequency electromagnetic diffusion by the finite-element method
Authors
Issue Date1997
PublisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandfonline.com/toc/tewa20/current
Citation
Journal Of Electromagnetic Waves And Applications, 1997, v. 11 n. 10, p. 1389-1406 How to Cite?
AbstractA new explicit axisymmetric solver for the diffusion of electromagnetic fields in an inhomogeneous medium is described. The proposed method is based on the Krylov subspace (Lanczos) approximation of the solution in frequency domain. The finite-element method (FEM) is employed to discretize Maxwell's equations. It is shown that the spectral Lanczos decomposition method (SLDM) is extremely fast. Furthermore, the electromagnetic fields at many frequencies can be evaluated by performing the SLDM iterations only at the lowest frequency. Analysis of some practical geophysical problems is included. A comparison is also made with the analytical results for a homogeneous medium.
Persistent Identifierhttp://hdl.handle.net/10722/182583
ISSN
2015 Impact Factor: 0.772
2015 SCImago Journal Rankings: 0.394
References

 

DC FieldValueLanguage
dc.contributor.authorZunoubi, Men_US
dc.contributor.authorJin, JMen_US
dc.contributor.authorChew, WCen_US
dc.contributor.authorKennedy, Den_US
dc.date.accessioned2013-05-02T05:15:58Z-
dc.date.available2013-05-02T05:15:58Z-
dc.date.issued1997en_US
dc.identifier.citationJournal Of Electromagnetic Waves And Applications, 1997, v. 11 n. 10, p. 1389-1406en_US
dc.identifier.issn0920-5071en_US
dc.identifier.urihttp://hdl.handle.net/10722/182583-
dc.description.abstractA new explicit axisymmetric solver for the diffusion of electromagnetic fields in an inhomogeneous medium is described. The proposed method is based on the Krylov subspace (Lanczos) approximation of the solution in frequency domain. The finite-element method (FEM) is employed to discretize Maxwell's equations. It is shown that the spectral Lanczos decomposition method (SLDM) is extremely fast. Furthermore, the electromagnetic fields at many frequencies can be evaluated by performing the SLDM iterations only at the lowest frequency. Analysis of some practical geophysical problems is included. A comparison is also made with the analytical results for a homogeneous medium.en_US
dc.languageengen_US
dc.publisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandfonline.com/toc/tewa20/currenten_US
dc.relation.ispartofJournal of Electromagnetic Waves and Applicationsen_US
dc.titleA spectral Lanczos decomposition method for solving axisymmetric low-frequency electromagnetic diffusion by the finite-element methoden_US
dc.typeArticleen_US
dc.identifier.emailChew, WC: wcchew@hku.hken_US
dc.identifier.authorityChew, WC=rp00656en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0031351383en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031351383&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume11en_US
dc.identifier.issue10en_US
dc.identifier.spage1389en_US
dc.identifier.epage1406en_US
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridZunoubi, M=6603614143en_US
dc.identifier.scopusauthoridJin, JM=7403588231en_US
dc.identifier.scopusauthoridChew, WC=36014436300en_US
dc.identifier.scopusauthoridKennedy, D=55414113200en_US

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