Fig. 1. A cell-based finite difference grid set. Numbers indicate cell order adjacent to the central grid point. The fifth cell is below the first cell.
Fig. 2. Algorithmic procedures of a time-domain modeling scheme.
Fig. 3. Shot gathers (y = 6.76 km) obtained using (a) the cell-based finite difference method and (b) the standard finite difference method.
Fig. 4. Snapshots (y = 6.76 km) obtained using the cell-based finite difference method (a, c, e) and the standard finite difference method (b, d, f) at 1 s (a, b), 2 s (c, d), and 3 s (e, f).
Fig. 5. A two-layer density model with topography.
Table 1. Profiling results from a wave propagation modeling using the cell-based finite difference method.
Table 2. Profiling results using additional memory.
Table 3. Profiling results from different model types.
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