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Article: Multilevel fast multipole acceleration in the Nystrm discretization of surface electromagnetic integral equations for composite objects
Title | Multilevel fast multipole acceleration in the Nystrm discretization of surface electromagnetic integral equations for composite objects |
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Authors | |
Keywords | Electromagnetic Scattering Multilevel Fast Multipole Algorithm Nystrm Discretization Surface Integral Equations |
Issue Date | 2010 |
Citation | Ieee Transactions On Antennas And Propagation, 2010, v. 58 n. 10, p. 3411-3416 How to Cite? |
Abstract | The multilevel fast multipole algorithm (MLFMA) based on the Nystrm discretization of surface integral equations (SIEs) is developed for solving electromagnetic (EM) scattering by large composite objects. Traditionally, the MLFMA is based on the method of moments (MoM) discretization for the SIEs and it usually works well when the robust Rao-Wilton-Glisson (RWG) basis function is enough to represent unknown currents. However, the RWG basis function may not represent both the electric and magnetic current in solving the electric field integral equation (EFIE) and magnetic field integral equation (MFIE) for penetrable objects, and how one represents another current could be a problem in the MoM. In this work, we use the Nystrm method as a tool to discretize the SIEs and incorporate the MLFMA to accelerate the solutions for electrically large problems. The advantages of the Nystrm discretization include the simple mechanism of implementation, lower requirements on mesh quality, and no use of basis and testing functions. These benefits are particularly desired in the MLFMA because the solved problems are very large and complex in general. Numerical examples are presented to demonstrate the effectiveness of the proposed scheme. © 2010 IEEE. |
Persistent Identifier | http://hdl.handle.net/10722/182775 |
ISSN | 2023 Impact Factor: 4.6 2023 SCImago Journal Rankings: 1.794 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Tong, MS | en_US |
dc.contributor.author | Chew, WC | en_US |
dc.date.accessioned | 2013-05-02T05:16:48Z | - |
dc.date.available | 2013-05-02T05:16:48Z | - |
dc.date.issued | 2010 | en_US |
dc.identifier.citation | Ieee Transactions On Antennas And Propagation, 2010, v. 58 n. 10, p. 3411-3416 | en_US |
dc.identifier.issn | 0018-926X | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/182775 | - |
dc.description.abstract | The multilevel fast multipole algorithm (MLFMA) based on the Nystrm discretization of surface integral equations (SIEs) is developed for solving electromagnetic (EM) scattering by large composite objects. Traditionally, the MLFMA is based on the method of moments (MoM) discretization for the SIEs and it usually works well when the robust Rao-Wilton-Glisson (RWG) basis function is enough to represent unknown currents. However, the RWG basis function may not represent both the electric and magnetic current in solving the electric field integral equation (EFIE) and magnetic field integral equation (MFIE) for penetrable objects, and how one represents another current could be a problem in the MoM. In this work, we use the Nystrm method as a tool to discretize the SIEs and incorporate the MLFMA to accelerate the solutions for electrically large problems. The advantages of the Nystrm discretization include the simple mechanism of implementation, lower requirements on mesh quality, and no use of basis and testing functions. These benefits are particularly desired in the MLFMA because the solved problems are very large and complex in general. Numerical examples are presented to demonstrate the effectiveness of the proposed scheme. © 2010 IEEE. | en_US |
dc.language | eng | en_US |
dc.relation.ispartof | IEEE Transactions on Antennas and Propagation | en_US |
dc.subject | Electromagnetic Scattering | en_US |
dc.subject | Multilevel Fast Multipole Algorithm | en_US |
dc.subject | Nystrm Discretization | en_US |
dc.subject | Surface Integral Equations | en_US |
dc.title | Multilevel fast multipole acceleration in the Nystrm discretization of surface electromagnetic integral equations for composite objects | 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/TAP.2010.2055809 | en_US |
dc.identifier.scopus | eid_2-s2.0-77957803550 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-77957803550&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 58 | en_US |
dc.identifier.issue | 10 | en_US |
dc.identifier.spage | 3411 | en_US |
dc.identifier.epage | 3416 | en_US |
dc.identifier.isi | WOS:000283364300039 | - |
dc.publisher.place | United States | en_US |
dc.identifier.scopusauthorid | Tong, MS=11839685700 | en_US |
dc.identifier.scopusauthorid | Chew, WC=36014436300 | en_US |
dc.identifier.issnl | 0018-926X | - |