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- W2914565524 abstract "Abstract We present an efficient and accurate modeling approach for wave propagation in anelastic media, based on a fractional spatial differential operator. The problem is solved with the Fourier pseudo-spectral method in the spatial domain and the REM (rapid expansion method) in the time domain, which, unlike the finite-difference and pseudo-spectral methods, offers spectral accuracy. To show the accuracy of the scheme, an analytical solution in a homogeneous anelastic medium is computed and compared with the numerical solution. We present an example of wave propagation at a reservoir scale and show the efficiency of the algorithm against the conventional finite-difference scheme. The new method, being spectral in the time and space simultaneously, offers a highly accurate and efficient solution for wave propagation in attenuating media." @default.
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- W2914565524 date "2019-05-01" @default.
- W2914565524 modified "2023-09-26" @default.
- W2914565524 title "Modeling the wave propagation in viscoacoustic media: An efficient spectral approach in time and space domain" @default.
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- W2914565524 doi "https://doi.org/10.1016/j.cageo.2019.01.022" @default.
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