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Article: A spectral lanczos decomposition method for solving 3-D low-frequency electromagnetic diffusion by the finite-element method
Title | A spectral lanczos decomposition method for solving 3-D low-frequency electromagnetic diffusion by the finite-element method |
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Authors | |
Keywords | Electromagnetic Diffusion Fast Solvers Finiteelement Methods |
Issue Date | 1999 |
Citation | Ieee Transactions On Antennas And Propagation, 1999, v. 47 n. 2, p. 242-248 How to Cite? |
Abstract | A 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 Identifier | http://hdl.handle.net/10722/182608 |
ISSN | 2023 Impact Factor: 4.6 2023 SCImago Journal Rankings: 1.794 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Zunoubi, MR | en_US |
dc.contributor.author | Jin, JM | en_US |
dc.contributor.author | Donepudi, KC | en_US |
dc.contributor.author | Chew, WC | en_US |
dc.date.accessioned | 2013-05-02T05:16:06Z | - |
dc.date.available | 2013-05-02T05:16:06Z | - |
dc.date.issued | 1999 | en_US |
dc.identifier.citation | Ieee Transactions On Antennas And Propagation, 1999, v. 47 n. 2, p. 242-248 | en_US |
dc.identifier.issn | 0018-926X | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/182608 | - |
dc.description.abstract | A 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.language | eng | en_US |
dc.relation.ispartof | IEEE Transactions on Antennas and Propagation | en_US |
dc.subject | Electromagnetic Diffusion | en_US |
dc.subject | Fast Solvers | en_US |
dc.subject | Finiteelement Methods | en_US |
dc.title | A spectral lanczos decomposition method for solving 3-D low-frequency electromagnetic diffusion by the finite-element method | en_US |
dc.type | Article | en_US |
dc.identifier.email | Chew, WC: wcchew@hku.hk | en_US |
dc.identifier.authority | Chew, WC=rp00656 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1109/8.761063 | en_US |
dc.identifier.scopus | eid_2-s2.0-0032634524 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0032634524&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 47 | en_US |
dc.identifier.issue | 2 | en_US |
dc.identifier.spage | 242 | en_US |
dc.identifier.epage | 248 | en_US |
dc.identifier.isi | WOS:000080104500004 | - |
dc.publisher.place | United States | en_US |
dc.identifier.scopusauthorid | Zunoubi, MR=6603614143 | en_US |
dc.identifier.scopusauthorid | Jin, JM=7403588231 | en_US |
dc.identifier.scopusauthorid | Donepudi, KC=6603623868 | en_US |
dc.identifier.scopusauthorid | Chew, WC=36014436300 | en_US |
dc.identifier.issnl | 0018-926X | - |