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- W2968181925 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 2019Scalar wavefield time domain propagation in tilted orthorhombic media with Fourier finite differencesAuthors: Xiaolei SongXiaolei SongBPSearch for more papers by this authorhttps://doi.org/10.1190/segam2019-3214206.1 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail AbstractI derived a new scalar wave propagation method in Tilted Orthorhombic (TOR) models: Tilted Orthorhombic Fourier Finite Differences (TORFFD), a chain operator of Fast Fourier Transforms (FFT) and Finite Differences (FD). It can achieve pseudo-analytical accuracy with about 6 times the speed of the conventional pseudo-spectral (PS) method in TOR media. It requires only 2 points per wavelength sampling in 3D space and is stable in complicated TOR models with much larger time steps than that of the PS method. Furthermore, as a scalar propagator, TORFFD can naturally avoid the coupling of qPwaves and qSV-waves in the TOR model.Presentation Date: Monday, September 16, 2019Session Start Time: 1:50 PMPresentation Start Time: 3:30 PMLocation: 304APresentation Type: OralKeywords: anisotropy, wave propagation, algorithmPermalink: https://doi.org/10.1190/segam2019-3214206.1FiguresReferencesRelatedDetails SEG Technical Program Expanded Abstracts 2019ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2019 Pages: 5407 publication data© 2019 Published in electronic format with permission by the Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished Online: 10 Aug 2019 CITATION INFORMATION Xiaolei Song, (2019), Scalar wavefield time domain propagation in tilted orthorhombic media with Fourier finite differences, SEG Technical Program Expanded Abstracts : 3760-3764. https://doi.org/10.1190/segam2019-3214206.1 Plain-Language Summary Keywordsanisotropywave propagationalgorithmPDF DownloadLoading ..." @default.
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