Abstract
We presented Lebedev scheme for numerical simulation of seismic wave propagation in 3D anisotropic elastic media. The scheme is more efficient and powerful than the alternative RSGS approach. Lebedev scheme was used to simulate wave propagation in a model containing a TTI layer. It was shown that TTI causes S-wave splitting, amplitude variation with offset separation the pairs of reflections of the type PSPP, PPSP and PSPS, PPSS. The first two effects present even in case of VTI layer but the last one can be used as an indicator of anisotropy of more general type than VTI.
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