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Finite-element implementation of reverse-time migration for anisotropic media
Reverse-time migration for post-stack seismic data in anisotropic media is implemented using the finite-element method. As an accurate digital method, the finite-element method is flexible for dealing with complicated geological structures, inner and man-made boundaries despite its intensive computation. Applying it in reverse-time migration may produce accurate images for anisotropic media. To eliminate man-made boundary reflections, the absorbing boundary condition for anisotropic elastic waves is also studied. An efficient and stable absorbing boundary scheme is presented combining a discrete transparent boundary condition with an attenuation boundary condition.
Finite-element implementation of reverse-time migration for anisotropic media
Reverse-time migration for post-stack seismic data in anisotropic media is implemented using the finite-element method. As an accurate digital method, the finite-element method is flexible for dealing with complicated geological structures, inner and man-made boundaries despite its intensive computation. Applying it in reverse-time migration may produce accurate images for anisotropic media. To eliminate man-made boundary reflections, the absorbing boundary condition for anisotropic elastic waves is also studied. An efficient and stable absorbing boundary scheme is presented combining a discrete transparent boundary condition with an attenuation boundary condition.
Finite-element implementation of reverse-time migration for anisotropic media
Finite-element implementation of reverse-time migration for anisotropic media
Meigen Zhang (Autor:in) / Xiaofan Li (Autor:in) / Miaoyue Wang (Autor:in)
Journal of Geophysics and Engineering ; 1 ; 103-108
01.06.2004
6 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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