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Article: E-field, H-field, and combined-field based nystrm method analysis for electromagnetic scattering by complex-material bodies

TitleE-field, H-field, and combined-field based nystrm method analysis for electromagnetic scattering by complex-material bodies
Authors
KeywordsComplex-Material Body
Electromagnetic (Em) Scattering
Integral Equation
Nystrm Method (Nm)
Issue Date2010
Citation
Ieee Transactions On Electromagnetic Compatibility, 2010, v. 52 n. 3, p. 620-628 How to Cite?
AbstractThe Nystrm method (NM) is used to solve for electromagnetic scattering by 3-D composite objects based on surface integral equations (SIEs). These SIEs include both equivalent electric and magnetic currents as unknowns since composite media exist. In the method-of-moments (MoM) solution for these SIEs, one may encounter the problem of how to represent the magnetic current using an appropriate basis function if the electric current is represented by RaoWiltonGlisson (RWG) basis function. Some choices like RWG, n × RWG, or dual basis function in representing the magnetic current may have the instability, fictitious charge, or high-cost problems, respectively, and thus, are not ideal. Compared with the MoM, the NM is simpler to implement, and most importantly, it can get rid of these problems. We employ this method to solve the E-field, H-field, and combined-field SIEs with efficient local correction schemes. Numerical examples show that the NM can give stable and efficient solutions for both near and far fields, when away from the resonant frequencies in E-field and H-field formulations, even for relatively complicated structures. © 2010 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/182772
ISSN
2015 Impact Factor: 1.146
2015 SCImago Journal Rankings: 1.329
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorTong, MSen_US
dc.contributor.authorChew, WCen_US
dc.date.accessioned2013-05-02T05:16:47Z-
dc.date.available2013-05-02T05:16:47Z-
dc.date.issued2010en_US
dc.identifier.citationIeee Transactions On Electromagnetic Compatibility, 2010, v. 52 n. 3, p. 620-628en_US
dc.identifier.issn0018-9375en_US
dc.identifier.urihttp://hdl.handle.net/10722/182772-
dc.description.abstractThe Nystrm method (NM) is used to solve for electromagnetic scattering by 3-D composite objects based on surface integral equations (SIEs). These SIEs include both equivalent electric and magnetic currents as unknowns since composite media exist. In the method-of-moments (MoM) solution for these SIEs, one may encounter the problem of how to represent the magnetic current using an appropriate basis function if the electric current is represented by RaoWiltonGlisson (RWG) basis function. Some choices like RWG, n × RWG, or dual basis function in representing the magnetic current may have the instability, fictitious charge, or high-cost problems, respectively, and thus, are not ideal. Compared with the MoM, the NM is simpler to implement, and most importantly, it can get rid of these problems. We employ this method to solve the E-field, H-field, and combined-field SIEs with efficient local correction schemes. Numerical examples show that the NM can give stable and efficient solutions for both near and far fields, when away from the resonant frequencies in E-field and H-field formulations, even for relatively complicated structures. © 2010 IEEE.en_US
dc.languageengen_US
dc.relation.ispartofIEEE Transactions on Electromagnetic Compatibilityen_US
dc.subjectComplex-Material Bodyen_US
dc.subjectElectromagnetic (Em) Scatteringen_US
dc.subjectIntegral Equationen_US
dc.subjectNystrm Method (Nm)en_US
dc.titleE-field, H-field, and combined-field based nystrm method analysis for electromagnetic scattering by complex-material bodiesen_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/TEMC.2010.2043078en_US
dc.identifier.scopuseid_2-s2.0-77955769505en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77955769505&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume52en_US
dc.identifier.issue3en_US
dc.identifier.spage620en_US
dc.identifier.epage628en_US
dc.identifier.isiWOS:000283070600014-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridTong, MS=11839685700en_US
dc.identifier.scopusauthoridChew, WC=36014436300en_US

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