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- W2319979964 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 2011Comparison of the Rayleigh wave dispersion properties in viscoelastic media with elastic mediaAuthors: Yangyang HeJinghuai GaoYichen MaBin WengZhenjiang HaoYangyang HeXian Jiaotong UnivercitySearch for more papers by this author, Jinghuai GaoXian Jiaotong UnivercitySearch for more papers by this author, Yichen MaXian Jiaotong UnivercitySearch for more papers by this author, Bin WengChina National offshore oil Corporation Research CenterSearch for more papers by this author, and Zhenjiang HaoChina National offshore oil Corporation Research CenterSearch for more papers by this authorhttps://doi.org/10.1190/1.3627824 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract Dispersion properties of Rayleigh‐type surface waves can be used for imaging and characterizing the shallow subsurface. This paper uses the time‐domain finite difference method on the Rotated staggered grid to simulates Rayleigh waves in complex viscoelastic media. The second‐order displacement‐stress viscoelastic wave equations are used in the computational domain and the unsplit convolutional perfectly matched layer is used as the absorbing boundary condition. The elastic wave‐fields in a two‐layer model is simulated to prove the correctness of this scheme. The viscoelastic Rayleigh waves are calculated and the dispersion properties are analyzed. The dispersion curve changes with different values of quality factor Q in the media and higher modes of Rayleigh waves are generated and possess significant amounts of energy with strong attenuation.Permalink: https://doi.org/10.1190/1.3627824FiguresReferencesRelatedDetails SEG Technical Program Expanded Abstracts 2011ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2011 Pages: 4424 Publisher:Society of Exploration Geophysicists HistoryPublished: 08 Aug 2011 CITATION INFORMATION Yangyang He, Jinghuai Gao, Yichen Ma, Bin Weng, and Zhenjiang Hao, (2011), Comparison of the Rayleigh wave dispersion properties in viscoelastic media with elastic media, SEG Technical Program Expanded Abstracts : 3027-3031. https://doi.org/10.1190/1.3627824 Plain-Language Summary PDF DownloadLoading ..." @default.
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