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• W2040579634 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 2006An anisotropic acoustic wave equation for modeling and migration in 2D TTI mediaAuthors: Hongbo ZhouGuanquan ZhangRobert BloorHongbo ZhouGX TechnologySearch for more papers by this author, Guanquan ZhangInst. of Comput. Math. and Sci/Eng, Chinese Academy of SciencesSearch for more papers by this author, and Robert BloorGX TechnologySearch for more papers by this authorhttps://doi.org/10.1190/1.2369913 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract In this abstract, we propose a new anisotropic acoustic wave equation for 2D TTI media. This is the extension of our previous work on VTI media to TTI media. Similar to VTI case, we follow the same procedures as Zhou et al. (2006), by the introduction of an auxiliary function, the original fourth‐order differential equation becomes a coupled system of lower‐order differential equations. However, unlike VTI case, a cross‐derivative term has been added to each of the coupled system of the hyperbolic differential equations because of its TTI characteristics. Of these two equations, one equation plays a key role in governing the propagation of the wavefront, with the other equation compensating for the loss of anisotropy for TTI media not only in the lateral but also in the depth directions. The new anisotropic acoustic wave equation has the obvious physical meaning and is much easier to implement. Impulse responses for both modeling and migration have been tested to show the validation of the proposed anisotropic acoustic wave equation.Permalink: https://doi.org/10.1190/1.2369913FiguresReferencesRelatedDetailsCited byQ-compensated least-squares reverse time migration with velocity-anisotropy correction based on the first-order velocity-pressure equationsYingming Qu, Jianggui Zhu, Zhenzhong Chen, Chongpeng Huang, Yixin Wang, and Chang Liu27 October 2022 | GEOPHYSICS, Vol. 87, No. 6A stable TTI acoustic wave equationLinbin Zhang and Edose Ohen15 August 2022A new qP-wave approximation in tilted transversely isotropic media and its reverse time migration for areas with complex overburdensJunxiao Li, Kefeng Xin, and Farah Syazana Dzulkefli23 June 2022 | GEOPHYSICS, Vol. 87, No. 4Modeling of pure visco-qP-wave propagation in attenuating tilted transversely isotropic media based on decoupled fractional LaplaciansXinru Mu, Jianping Huang, Jidong Yang, Jianfeng Zhang, and Zhiliang Wang18 May 2022 | GEOPHYSICS, Vol. 87, No. 4Attenuation Compensation and Anisotropy Correction in Reverse Time Migration for Attenuating Tilted Transversely Isotropic Media16 May 2022 | Surveys in Geophysics, Vol. 43, No. 3Anisotropic modeling and imagingBorn Scattering Integral, Scattering Radiation Pattern, and Generalized Radon Transform Inversion in Acoustic Tilted Transversely Isotropic MediaIEEE Transactions on Geoscience and Remote Sensing, Vol. 60Modeling the Effect of Anisotropy in Ultrasonic-Guided Wave TomographyIEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 69, No. 1A versatile framework to solve the Helmholtz equation using physics-informed neural networks23 October 2021 | Geophysical Journal International, Vol. 228, No. 3Anisotropic Born scattering for the qP scalar wavefield using a low-rank symbol approximationIury Araújo, Murillo Nascimento, Jessé Costa, Alan Souza, and Jörg Schleicher18 August 2021 | GEOPHYSICS, Vol. 86, No. 5Reduced elastic equations for efficient imaging in anisotropic mediaCharlie Jing1 September 2021Decoupled approximation and separate extrapolation of P- and SV-waves in transversely isotropic mediaBowen Li and Alexey Stovas19 July 2021 | GEOPHYSICS, Vol. 86, No. 4Q-compensated reverse time migration in tilted transversely isotropic mediaAli Fathalian, Daniel O. 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Anderson27 August 2009 | GEOPHYSICS, Vol. 74, No. 5Acoustic VTI modeling by a new time‐space domain high‐order finite‐difference methodYang Liu and Mrinal K. Sen14 October 2009A stable TTI reverse time migration and its implementationYu Zhang and Houzhu Zhang14 October 2009Decoupled wave equations for P and SV waves in an acoustic VTI mediaFaqi Liu, Scott A. Morton, Shansong Jiang, Lideng Ni, and Jacques P. Leveille14 October 2009Removing S‐wave noise in TTI reverse time migrationHouzhu (James) Zhang, Guanquan Zhang, and Yu Zhang14 October 2009Stabilizing acoustic reverse‐time migration in TTI mediaRobin Fletcher, Xiang Du, and Paul J. Fowler14 October 2009A new pseudo‐acoustic wave equation for TI mediaRobin Fletcher, Xiang Du, and Paul J. Fowler15 December 2008Reverse time migration in 3D heterogeneous TTI mediaHouzhu (James) Zhang and Yu Zhang15 December 20083D reverse‐time migration with hybrid finite difference‐pseudospectral methodAnne‐Cécile Lesage, Hongbo Zhou, Mauricio Araya‐Polo, Jose‐Maria Cela, and Francisco Ortigosa15 December 2008Mixed‐grid finite‐difference frequency‐domain viscoacoustic modeling in 2D TTI anisotropic mediaStéphane Operto, Alessandra Ribodetti, Mehdi Grini, and Jean Virieux14 September 2007 SEG Technical Program Expanded Abstracts 2006ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2006 Pages: 3541 publication data© 2006 Copyright © 2006 Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished Online: 06 Oct 2006 CITATION INFORMATION Hongbo Zhou, Guanquan Zhang, and Robert Bloor, (2006), An anisotropic acoustic wave equation for modeling and migration in 2D TTI media, SEG Technical Program Expanded Abstracts : 194-198. https://doi.org/10.1190/1.2369913 Plain-Language Summary PDF DownloadLoading ..." @default.
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