Least-squares reverse time migration in TTI media using a pure qP-wave equation
Anisotropy is a common phenomenon in subsurface strata and should be considered in
seismic imaging and inversion. Seismic imaging in a vertical transversely isotropic (VTI) …
seismic imaging and inversion. Seismic imaging in a vertical transversely isotropic (VTI) …
Effective finite-difference modelling methods with 2-D acoustic wave equation using a combination of cross and rhombus stencils
The 2-D acoustic wave equation is commonly solved numerically by finite-difference (FD)
methods in which the accuracy of solution is significantly affected by the FD stencils. The …
methods in which the accuracy of solution is significantly affected by the FD stencils. The …
Low-rank one-step wave extrapolation for reverse time migration
Reverse time migration (RTM) relies on accurate wave extrapolation engines to image
complex subsurface structures. To construct such operators with high efficiency and …
complex subsurface structures. To construct such operators with high efficiency and …
Modeling Elastic Wave Propagation Using -Space Operator-Based Temporal High-Order Staggered-Grid Finite-Difference Method
The traditional high-order staggered-grid finite-difference (SGFD) method has high-order
accuracy in space, but only the second-order accuracy in time, which makes the traditional …
accuracy in space, but only the second-order accuracy in time, which makes the traditional …
Acoustic and elastic modeling by optimal time-space-domain staggered-grid finite-difference schemes
Z Ren, Y Liu - Geophysics, 2015 - pubs.geoscienceworld.org
Staggered-grid finite-difference (SFD) methods are widely used in modeling seismic-wave
propagation, and the coefficients of finite-difference (FD) operators can be estimated by …
propagation, and the coefficients of finite-difference (FD) operators can be estimated by …
Modeling of pure qP-and qSV-waves in tilted transversely isotropic media with the optimal quadratic approximation
Seismic forward modeling in tilted transverse isotropic (TTI) media is crucial for the
application of reverse time migration and full-waveform inversion. Modeling based on …
application of reverse time migration and full-waveform inversion. Modeling based on …
Least‐squares reverse time migration based on an efficient pure qP‐wave equation
Seismic waves propagating in anisotropic earth media suffer from waveform distortion,
which leads to degraded resolution in seismic data imaging if this adverse effect is not …
which leads to degraded resolution in seismic data imaging if this adverse effect is not …
Simulating propagation of decoupled elastic waves using low-rank approximate mixed-domain integral operators for anisotropic media
In elastic imaging, the extrapolated vector fields are decoupled into pure wave modes, such
that the imaging condition produces interpretable images. Conventionally, mode decoupling …
that the imaging condition produces interpretable images. Conventionally, mode decoupling …
Finite difference seismic forward modeling method for fluid–solid coupled media with irregular seabed interface
Q Li, G Wu, J Wu, P Duan - Journal of Geophysics and …, 2019 - academic.oup.com
The seismic wave finite-difference numerical simulation of fluid–solid coupled media in a
marine environment has many challenges, such as the accuracy of the forward modeling …
marine environment has many challenges, such as the accuracy of the forward modeling …
A high-precision elastic reverse-time migration for complex geologic structure imaging in applied geophysics
High-precision elastic reverse-time migration (ERTM) imaging has always been one of the
trends in the development of geophysics. However, current wavefield simulations using time …
trends in the development of geophysics. However, current wavefield simulations using time …