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Conference Paper: Calderón preconditioned PMCHWT equation for layered medium problems

TitleCalderón preconditioned PMCHWT equation for layered medium problems
Authors
Issue Date2014
PublisherIEEE. The Journal's web site is located at http://www.ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1000033
Citation
The IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Memphis, Tennessee, USA, 6–11 July 2014. In I E E E Antennas and Propagation Society. International Symposium. Digest, 2014, p. 2184-2185 How to Cite?
AbstractElectromagnetic scattering by dielectric objects in the presence of a layered medium is investigated by applying the Poggio-Miller-Chang-Harrington-Wu-Tsai (PMCHWT) equation combined with the layered medium Green's function. Due to the electric field integral equation (EFIE) operator involved, the spectrum of the PMCHWT equation is also undesired. When the surface is densely discretized, the condition of the resulting matrix is extremely bad. An effective Calderón preconditioner is developed in this paper to improve the convergence. Different from its free space counterpart, the Calderón identities for inhomogeneous medium need to be re-derived. It is shown from numerical examples that the convergence of the PMCHWT system in layered medium can be significantly improved by using the proposed Calderón preconditioner.
Persistent Identifierhttp://hdl.handle.net/10722/201201
ISBN
ISSN

 

DC FieldValueLanguage
dc.contributor.authorChen, Yen_US
dc.contributor.authorJiang, Len_US
dc.contributor.authorSun, Sen_US
dc.contributor.authorChew, WCen_US
dc.date.accessioned2014-08-21T07:18:11Z-
dc.date.available2014-08-21T07:18:11Z-
dc.date.issued2014en_US
dc.identifier.citationThe IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Memphis, Tennessee, USA, 6–11 July 2014. In I E E E Antennas and Propagation Society. International Symposium. Digest, 2014, p. 2184-2185en_US
dc.identifier.isbn9781479935383-
dc.identifier.issn1522-3965-
dc.identifier.urihttp://hdl.handle.net/10722/201201-
dc.description.abstractElectromagnetic scattering by dielectric objects in the presence of a layered medium is investigated by applying the Poggio-Miller-Chang-Harrington-Wu-Tsai (PMCHWT) equation combined with the layered medium Green's function. Due to the electric field integral equation (EFIE) operator involved, the spectrum of the PMCHWT equation is also undesired. When the surface is densely discretized, the condition of the resulting matrix is extremely bad. An effective Calderón preconditioner is developed in this paper to improve the convergence. Different from its free space counterpart, the Calderón identities for inhomogeneous medium need to be re-derived. It is shown from numerical examples that the convergence of the PMCHWT system in layered medium can be significantly improved by using the proposed Calderón preconditioner.-
dc.languageengen_US
dc.publisherIEEE. The Journal's web site is located at http://www.ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1000033-
dc.relation.ispartofIEEE Antennas and Propagation Society. International Symposium. Digesten_US
dc.rightsIEEE Antennas and Propagation Society. International Symposium. Digest. Copyright © IEEE.-
dc.rights©2014 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.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleCalderón preconditioned PMCHWT equation for layered medium problemsen_US
dc.typeConference_Paperen_US
dc.identifier.emailChen, Y: ypchen2@hku.hken_US
dc.identifier.emailJiang, L: jianglj@hku.hken_US
dc.identifier.emailSun, S: sunsheng@hku.hken_US
dc.identifier.emailChew, WC: wcchew@hku.hken_US
dc.identifier.authorityJiang, L=rp01338en_US
dc.identifier.authoritySun, S=rp01431en_US
dc.identifier.authorityChew, WC=rp00656en_US
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/APS.2014.6905419-
dc.identifier.hkuros232176en_US
dc.identifier.spage2184-
dc.identifier.epage2185-
dc.publisher.placeUnited States-

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