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- W2037107130 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 2004Scattering of elastic waves in 2‐D VTI mediaAuthors: Qiyu HanRu‐Shan WuQiyu HanMILab/IGPP, University of California, Santa CruzSearch for more papers by this author and Ru‐Shan WuMILab/IGPP, University of California, Santa CruzSearch for more papers by this authorhttps://doi.org/10.1190/1.1851331 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract The principal objective of this paper is to investigate the elastic wavefield scattering in the 2‐D transversely isotropic media with a vertical symmetry axis (VTI). We extend the elastic thin‐slab method for elastic wave propagation from the isotropic media to the VTI media. The elastic thin‐slab approximation is a dual‐domain formulation for the wide‐angle forward scattering and backscattering of the elastic wavefield. The elastic property of a horizontal elastic thin‐slab is decomposed into a homogeneous background medium with corresponding perturbations. We introduce anisotropy parameters into the elastic perturbations and obtain scattered anisotropic displacement and stress fields. The scattered stress fields act as subsources which are induced by the interaction of VTI perturbations with the background wavefield. We derive the formulation for the anisotropic scattered displacement of the qP and qSV wavefields in the 2‐D elastic media. The simulation results of a simple model show that the anisotropic perturbations generate scattered waves. Numerical results also show that this method works well for complex VTI media such as the modified SEG/EAEG salt model.Permalink: https://doi.org/10.1190/1.1851331FiguresReferencesRelatedDetails SEG Technical Program Expanded Abstracts 2004ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2004 Pages: 2586 publication data© 2004 Copyright © 2004 Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished: 03 Jan 2005 CITATION INFORMATION Qiyu Han and Ru‐Shan Wu, (2004), Scattering of elastic waves in 2‐D VTI media, SEG Technical Program Expanded Abstracts : 99-102. https://doi.org/10.1190/1.1851331 Plain-Language Summary PDF DownloadLoading ..." @default.
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- W2037107130 title "Scattering of elastic waves in 2‐D VTI media" @default.
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