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Article: Finite-difference computation of transient electromagnetic waves for cylindrical geometries in complex media

TitleFinite-difference computation of transient electromagnetic waves for cylindrical geometries in complex media
Authors
Issue Date2000
Citation
Ieee Transactions On Geoscience And Remote Sensing, 2000, v. 38 n. 4 I, p. 1530-1543 How to Cite?
AbstractWe present two novel, fully three-dimensional (3-D) finite-difference time-domain (FDTD) schemes in cylindrical coordinates for transient simulation of electromagnetic wave propagation in complex (inhomogeneous, dispersive, and conductive) and unbounded media. The proposed FDTD schemes incorporate an extension of the perfectly matched layer (PML) absorbing boundary condition (ABC) to three-dimensional (3-D) cylindrical coordinates. Dispersion on the media is modeled by using the piecewise-linear recursive convolution (PLRC) algorithm, accounting for multiterm Lorentz and/or Debye models. Split-field and unsplit (anisotropic medium) formulations of the cylindrical PML-PLRC-FDTD schemes are implemented and compared in the time domain. The comparison includes the late-time stability properties of the update schemes. Numerical simulations of subsurface electromagnetic problems are included. Because the proposed schemes retain the nearest-neighbor property of the ordinary FDTD, they are well suited for implementation on massively parallel computers.
Persistent Identifierhttp://hdl.handle.net/10722/182635
ISSN
2015 Impact Factor: 3.36
2015 SCImago Journal Rankings: 1.975
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorTeixeira, FLen_US
dc.contributor.authorChew, WCen_US
dc.date.accessioned2013-05-02T05:16:12Z-
dc.date.available2013-05-02T05:16:12Z-
dc.date.issued2000en_US
dc.identifier.citationIeee Transactions On Geoscience And Remote Sensing, 2000, v. 38 n. 4 I, p. 1530-1543en_US
dc.identifier.issn0196-2892en_US
dc.identifier.urihttp://hdl.handle.net/10722/182635-
dc.description.abstractWe present two novel, fully three-dimensional (3-D) finite-difference time-domain (FDTD) schemes in cylindrical coordinates for transient simulation of electromagnetic wave propagation in complex (inhomogeneous, dispersive, and conductive) and unbounded media. The proposed FDTD schemes incorporate an extension of the perfectly matched layer (PML) absorbing boundary condition (ABC) to three-dimensional (3-D) cylindrical coordinates. Dispersion on the media is modeled by using the piecewise-linear recursive convolution (PLRC) algorithm, accounting for multiterm Lorentz and/or Debye models. Split-field and unsplit (anisotropic medium) formulations of the cylindrical PML-PLRC-FDTD schemes are implemented and compared in the time domain. The comparison includes the late-time stability properties of the update schemes. Numerical simulations of subsurface electromagnetic problems are included. Because the proposed schemes retain the nearest-neighbor property of the ordinary FDTD, they are well suited for implementation on massively parallel computers.en_US
dc.languageengen_US
dc.relation.ispartofIEEE Transactions on Geoscience and Remote Sensingen_US
dc.titleFinite-difference computation of transient electromagnetic waves for cylindrical geometries in complex mediaen_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.doi10.1109/36.851953en_US
dc.identifier.scopuseid_2-s2.0-0034229323en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034229323&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume38en_US
dc.identifier.issue4 Ien_US
dc.identifier.spage1530en_US
dc.identifier.epage1543en_US
dc.identifier.isiWOS:000088377700005-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridTeixeira, FL=7102746700en_US
dc.identifier.scopusauthoridChew, WC=36014436300en_US

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