New approach to flow simulation in highly heterogeneous porous media
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Applications are presented for a new numerical method - operator splitting on multiple grids (OSMG) - devised for simulations in heterogeneous porous media. A coarse-grid, finite-element pressure solver is interfaced with a fine-grid timestepping scheme. The CPU time for the pressure solver is greatly reduced and concentration fronts have minimal numerical dispersion.
author list (cited authors)
Rame, M., & Killough, J. E.