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Article: Conformal PML-FDTD schemes for electromagnetic field simulations: A dynamic stability study

TitleConformal PML-FDTD schemes for electromagnetic field simulations: A dynamic stability study
Authors
KeywordsAbsorbing Boundary Condition
Curvilinear Grids
Dynamic Stability
Fdtd Methods
Issue Date2001
Citation
Ieee Transactions On Antennas And Propagation, 2001, v. 49 n. 6, p. 902-907 How to Cite?
AbstractWe present a study on the dynamic stability of the perfectly matched layer (PML) absorbing boundary condition for finite-difference time-domain (FDTD) simulations of electromagnetic radiation and scattering problems in body-conformal orthogonal grids. This work extends a previous dynamic stability analysis of Cartesian, cylindrical and spherical PMLs to the case of a conformal PML. It is shown that the conformal PML defined over surface terminations with positive local radii of curvature (concave surfaces as viewed from inside the computational domain) is dynamically stable, while the conformal PML defined over surface terminations with a negative local radius (convex surfaces as viewed from inside the computational domain) is dynamically unstable. Numerical results illustrate the analysis.
Persistent Identifierhttp://hdl.handle.net/10722/182651
ISSN
2015 Impact Factor: 2.053
2015 SCImago Journal Rankings: 2.130
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorTeixeira, FLen_US
dc.contributor.authorHwang, KPen_US
dc.contributor.authorChew, WCen_US
dc.contributor.authorJin, JMen_US
dc.date.accessioned2013-05-02T05:16:16Z-
dc.date.available2013-05-02T05:16:16Z-
dc.date.issued2001en_US
dc.identifier.citationIeee Transactions On Antennas And Propagation, 2001, v. 49 n. 6, p. 902-907en_US
dc.identifier.issn0018-926Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/182651-
dc.description.abstractWe present a study on the dynamic stability of the perfectly matched layer (PML) absorbing boundary condition for finite-difference time-domain (FDTD) simulations of electromagnetic radiation and scattering problems in body-conformal orthogonal grids. This work extends a previous dynamic stability analysis of Cartesian, cylindrical and spherical PMLs to the case of a conformal PML. It is shown that the conformal PML defined over surface terminations with positive local radii of curvature (concave surfaces as viewed from inside the computational domain) is dynamically stable, while the conformal PML defined over surface terminations with a negative local radius (convex surfaces as viewed from inside the computational domain) is dynamically unstable. Numerical results illustrate the analysis.en_US
dc.languageengen_US
dc.relation.ispartofIEEE Transactions on Antennas and Propagationen_US
dc.subjectAbsorbing Boundary Conditionen_US
dc.subjectCurvilinear Gridsen_US
dc.subjectDynamic Stabilityen_US
dc.subjectFdtd Methodsen_US
dc.titleConformal PML-FDTD schemes for electromagnetic field simulations: A dynamic stability studyen_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.doi10.1109/8.931147en_US
dc.identifier.scopuseid_2-s2.0-0035360803en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035360803&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume49en_US
dc.identifier.issue6en_US
dc.identifier.spage902en_US
dc.identifier.epage907en_US
dc.identifier.isiWOS:000169597700007-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridTeixeira, FL=7102746700en_US
dc.identifier.scopusauthoridHwang, KP=7402426377en_US
dc.identifier.scopusauthoridChew, WC=36014436300en_US
dc.identifier.scopusauthoridJin, JM=7403588231en_US

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