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Article: A spectral lanczos decomposition method for solving 3-D low-frequency electromagnetic diffusion by the finite-element method

TitleA spectral lanczos decomposition method for solving 3-D low-frequency electromagnetic diffusion by the finite-element method
Authors
Zunoubi, MRJin, JMDonepudi, KCChew, WC
KeywordsElectromagnetic Diffusion
Fast Solvers
Finiteelement Methods
Issue Date1999
Citation
Ieee Transactions On Antennas And Propagation, 1999, v. 47 n. 2, p. 242-248 How to Cite?
DOI: http://dx.doi.org/10.1109/8.761063
AbstractA very efficient three-dimensional (3-D) solver for the diffusion of the electromagnetic fields in an inhomogeneous medium is described. The proposed method employs either the node-based or the edge-based finite-element method (FEM) to discretize Maxwell's equations. The resultant matrix equation is solved by the spectral Lanczos decomposition method (SLDM), which is based on the Krylov subspace (Lanczos) approximation of the solution in frequency domain. By analyzing some practical geophysical problems, it is shown that the SLDM is extremely fast and, furthermore, the electromagnetic fields at many frequencies can be evaluated by performing the SLDM iteration only at the lowest frequency. © 1999 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/182608
ISSN
0018-926X
2021 Impact Factor: 4.824
2020 SCImago Journal Rankings: 1.652
ISI Accession Number ID
WOS:000080104500004
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorZunoubi, MRen_US
dc.contributor.authorJin, JMen_US
dc.contributor.authorDonepudi, KCen_US
dc.contributor.authorChew, WCen_US
dc.date.accessioned2013-05-02T05:16:06Z-
dc.date.available2013-05-02T05:16:06Z-
dc.date.issued1999en_US
dc.identifier.citationIeee Transactions On Antennas And Propagation, 1999, v. 47 n. 2, p. 242-248en_US
dc.identifier.issn0018-926Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/182608-
dc.description.abstractA very efficient three-dimensional (3-D) solver for the diffusion of the electromagnetic fields in an inhomogeneous medium is described. The proposed method employs either the node-based or the edge-based finite-element method (FEM) to discretize Maxwell's equations. The resultant matrix equation is solved by the spectral Lanczos decomposition method (SLDM), which is based on the Krylov subspace (Lanczos) approximation of the solution in frequency domain. By analyzing some practical geophysical problems, it is shown that the SLDM is extremely fast and, furthermore, the electromagnetic fields at many frequencies can be evaluated by performing the SLDM iteration only at the lowest frequency. © 1999 IEEE.en_US
dc.languageengen_US
dc.relation.ispartofIEEE Transactions on Antennas and Propagationen_US
dc.subjectElectromagnetic Diffusionen_US
dc.subjectFast Solversen_US
dc.subjectFiniteelement Methodsen_US
dc.titleA spectral lanczos decomposition method for solving 3-D 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.doi10.1109/8.761063en_US
dc.identifier.scopuseid_2-s2.0-0032634524en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0032634524&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume47en_US
dc.identifier.issue2en_US
dc.identifier.spage242en_US
dc.identifier.epage248en_US
dc.identifier.isiWOS:000080104500004-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridZunoubi, MR=6603614143en_US
dc.identifier.scopusauthoridJin, JM=7403588231en_US
dc.identifier.scopusauthoridDonepudi, KC=6603623868en_US
dc.identifier.scopusauthoridChew, WC=36014436300en_US
dc.identifier.issnl0018-926X-

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