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Article: Dispersion splitting of Rayleigh waves in layered azimuthally anisotropic media

TitleDispersion splitting of Rayleigh waves in layered azimuthally anisotropic media
Authors
KeywordsDispersion Splitting
Fundamental Mode
Layered Azimuthal Anisotropy
Multichannel Analysis Of Surface Waves
Rayleigh Wave
Issue Date2009
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jappgeo
Citation
Journal Of Applied Geophysics, 2009, v. 67 n. 2, p. 130-142 How to Cite?
AbstractRayleigh wave dispersion can be induced in an anisotropic medium or a layered isotropic medium. For a layered azimuthally anisotropic structure, traditional wave equation of layered structure can be modified to describe the dispersion behavior of Rayleigh waves. Numerical stimulation results show that for layered azimuthal anisotropy both the dispersion velocities and anisotropic parameters depend principally on anisotropic S-wave velocities. The splitting S-wave velocities may produce dispersion splitting of Rayleigh waves. Such dispersion splitting appears noticeable at azimuthal angle 45°. This feature was confirmed by the measured results of a field test. The fundamental mode splits into two branches at azimuthal angle 45° to the symmetry axis for some frequencies, and along the same direction the difference of splitting-phase velocities of the fundamental model reaches the maximum. Dispersion splitting of Rayleigh waves was firstly displayed for anisotropy study in dispersion image by means of multichannel analysis of surface waves, the image of which provides a new window for studying the anisotropic property of media. © 2008.
Persistent Identifierhttp://hdl.handle.net/10722/151275
ISSN
2015 Impact Factor: 1.355
2015 SCImago Journal Rankings: 0.919
ISI Accession Number ID
Funding AgencyGrant Number
Research Grants Council of the Hong Kong9041260
Funding Information:

The work described in this paper was supported by a grant from the Research Grants Council of the Hong Kong Special Administrative Region, China [Project No. 9041260 (CityU 121307)].

References

 

DC FieldValueLanguage
dc.contributor.authorZhang, SXen_US
dc.contributor.authorWang, Yen_US
dc.contributor.authorZhou, HWen_US
dc.contributor.authorChan, LSen_US
dc.date.accessioned2012-06-26T06:19:51Z-
dc.date.available2012-06-26T06:19:51Z-
dc.date.issued2009en_US
dc.identifier.citationJournal Of Applied Geophysics, 2009, v. 67 n. 2, p. 130-142en_US
dc.identifier.issn0926-9851en_US
dc.identifier.urihttp://hdl.handle.net/10722/151275-
dc.description.abstractRayleigh wave dispersion can be induced in an anisotropic medium or a layered isotropic medium. For a layered azimuthally anisotropic structure, traditional wave equation of layered structure can be modified to describe the dispersion behavior of Rayleigh waves. Numerical stimulation results show that for layered azimuthal anisotropy both the dispersion velocities and anisotropic parameters depend principally on anisotropic S-wave velocities. The splitting S-wave velocities may produce dispersion splitting of Rayleigh waves. Such dispersion splitting appears noticeable at azimuthal angle 45°. This feature was confirmed by the measured results of a field test. The fundamental mode splits into two branches at azimuthal angle 45° to the symmetry axis for some frequencies, and along the same direction the difference of splitting-phase velocities of the fundamental model reaches the maximum. Dispersion splitting of Rayleigh waves was firstly displayed for anisotropy study in dispersion image by means of multichannel analysis of surface waves, the image of which provides a new window for studying the anisotropic property of media. © 2008.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jappgeoen_US
dc.relation.ispartofJournal of Applied Geophysicsen_US
dc.subjectDispersion Splittingen_US
dc.subjectFundamental Modeen_US
dc.subjectLayered Azimuthal Anisotropyen_US
dc.subjectMultichannel Analysis Of Surface Wavesen_US
dc.subjectRayleigh Waveen_US
dc.titleDispersion splitting of Rayleigh waves in layered azimuthally anisotropic mediaen_US
dc.typeArticleen_US
dc.identifier.emailChan, LS:chanls@hku.hken_US
dc.identifier.authorityChan, LS=rp00665en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.jappgeo.2008.10.008en_US
dc.identifier.scopuseid_2-s2.0-59649121481en_US
dc.identifier.hkuros214224-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-59649121481&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume67en_US
dc.identifier.issue2en_US
dc.identifier.spage130en_US
dc.identifier.epage142en_US
dc.identifier.isiWOS:000265714900004-
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridZhang, SX=7409373428en_US
dc.identifier.scopusauthoridWang, Y=7601501174en_US
dc.identifier.scopusauthoridZhou, HW=7404742496en_US
dc.identifier.scopusauthoridChan, LS=7403540528en_US

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