When one fluid displaces others, the predominating physical process occurs along the moving interface between the fluids. This paper is devoted to the description of a computational algorithm for two-phase immiscible, incompressible flows in an adaptive composite grid to track the moving front. This algorithm is based on an IMPES method applied to a convergent and conservative finite volume scheme for the pressure equation, together with the finite difference schemes, upwind and MUSCL, for the transport equation on grids with local refinement.
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- Adaptive Mesh for Two-Phase Flow in Porous Media
- Springer Netherlands