Seismic Forward Modeling of Fractures and Fractured Medium Inversion

Cui, Xiaoqin

doi:10.1007/978-981-10-3584-5

Cited by 19 publications

(1 citation statement)

References 24 publications

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“…Seismic forward modeling can be used to obtain the seismic response of a source(s) with a defined mechanism within the given medium (e.g., anisotropic or attenuative media) [9,10]. The exact analytical solutions of wave equations do not exist for complex subsurface configurations, and numerical methods such as the finitedifference method (FDM) play a vital role in such cases [10][11][12][13]. The FDM transforms the set of the partial differential equations, that govern the propagation of seismic waves within the media, into a system of algebraic equations through its discretization over the computational domain.…”

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confidence: 99%

FDwave3D: a MATLAB solver for the 3D anisotropic wave equation using the finite-difference method

Tan

Zhang

et al. 2021

Comput Geosci

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Seismic modeling plays an important role in geophysics and seismology for estimating the response of seismic sources in a given medium. In this work, we present a MATLAB-based package, FDwave3D, for synthetic wavefield and seismogram modeling in 3D anisotropic media. The seismic simulation is carried out using the finite-difference method over the staggered grid, and it is applicable to both active and passive surveys. The code package allows the incorporation of arbitrary source mechanisms and offers spatial derivative operators of accuracy up to tenth-order along with different types of boundary conditions. First, the methodological aspects of finitedifference method are briefly introduced. Then, the code has been tested and verified against the analytical solutions obtained for the homogeneous model. Further, the numerical examples of layered and overthrust models are presented to demonstrate its reliability.

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confidence: 99%