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- W2008151985 abstract "A new finite-difference (FD) method is presented for modeling SH-wave propagation in a generally heterogeneous medium. This method uses both velocity and stress in a discrete grid. Density and shear modulus are similarly discretized, avoiding any spatial smoothing. Therefore, boundaries will be correctly modeled under an implicit formulation. Standard problems (quarter-plane propagation, sedimentary basin propagation) are studied to compare this method with other methods. Finally a more complex example (a salt dome inside a two-layered medium) shows the effect of lateral propagation on seismograms recorded at the surface. A corner wave, always in-phase with the incident wave, and a head wave will appear, which will pose severe problems of interpretation with the usual vertical migration methods." @default.
- W2008151985 created "2016-06-24" @default.
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- W2008151985 date "1984-12-01" @default.
- W2008151985 modified "2023-09-27" @default.
- W2008151985 title "SH-wave propagation in heterogeneous media: velocity-stress finite-difference method" @default.
- W2008151985 doi "https://doi.org/10.1071/eg984265a" @default.
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