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Article: Analytical derivation of a conformal perfectly matched absorber for electromagnetic waves

TitleAnalytical derivation of a conformal perfectly matched absorber for electromagnetic waves
Authors
KeywordsAbsorbing Boundary Condition
Absorbing Media
Electromagnetic Scattering
Issue Date1998
PublisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/37176
Citation
Microwave And Optical Technology Letters, 1998, v. 17 n. 4, p. 231-236 How to Cite?
AbstractWe present an analytical derivation of a 3-D conformal perfectly matched layer (PML) for mesh termination in general orthogo-nal curvilinear coordinates. The derivation is based on the analytic continuation to complex space of the normal coordinate to the mesh termination. The resultant fields in the complex space do not obey Maxwell's equations. However, it is demonstrated that, through simple field transformations, a new set of fields can be introduced so that they obey Maxwell's equations for an anisotropic medium with properly chosen constitutive parameters depending on the local radii of curvature. The formulation presented here recovers, as particular cases, the previously proposed Cartesian, cylindrical, and spherical PMLs. A previously employed anisotropic (quasi-) PML for conformal terminations is shown to be the large radius of curvature approximation of the anisotropic conformal PML derived herein. © 1998 John Wiley & Sons, Inc.
Persistent Identifierhttp://hdl.handle.net/10722/182592
ISSN
2015 Impact Factor: 0.545
2015 SCImago Journal Rankings: 0.372
References

 

DC FieldValueLanguage
dc.contributor.authorTeixeira, FLen_US
dc.contributor.authorChew, WCen_US
dc.date.accessioned2013-05-02T05:16:01Z-
dc.date.available2013-05-02T05:16:01Z-
dc.date.issued1998en_US
dc.identifier.citationMicrowave And Optical Technology Letters, 1998, v. 17 n. 4, p. 231-236en_US
dc.identifier.issn0895-2477en_US
dc.identifier.urihttp://hdl.handle.net/10722/182592-
dc.description.abstractWe present an analytical derivation of a 3-D conformal perfectly matched layer (PML) for mesh termination in general orthogo-nal curvilinear coordinates. The derivation is based on the analytic continuation to complex space of the normal coordinate to the mesh termination. The resultant fields in the complex space do not obey Maxwell's equations. However, it is demonstrated that, through simple field transformations, a new set of fields can be introduced so that they obey Maxwell's equations for an anisotropic medium with properly chosen constitutive parameters depending on the local radii of curvature. The formulation presented here recovers, as particular cases, the previously proposed Cartesian, cylindrical, and spherical PMLs. A previously employed anisotropic (quasi-) PML for conformal terminations is shown to be the large radius of curvature approximation of the anisotropic conformal PML derived herein. © 1998 John Wiley & Sons, Inc.en_US
dc.languageengen_US
dc.publisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/37176en_US
dc.relation.ispartofMicrowave and Optical Technology Lettersen_US
dc.subjectAbsorbing Boundary Conditionen_US
dc.subjectAbsorbing Mediaen_US
dc.subjectElectromagnetic Scatteringen_US
dc.titleAnalytical derivation of a conformal perfectly matched absorber for electromagnetic wavesen_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-s2.0-0032025544en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0032025544&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume17en_US
dc.identifier.issue4en_US
dc.identifier.spage231en_US
dc.identifier.epage236en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridTeixeira, FL=7102746700en_US
dc.identifier.scopusauthoridChew, WC=36014436300en_US

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