A two-dimensional lattice Boltzmann (LB) model with fluid-fluid and solid-fluid interaction potentials was used to study gravity-driven flow in geometrically simple fracture intersections. Simulated scenarios included fluid dripping from a fracture aperture, two-phase flow through intersecting fractures and thin-film flow on smooth and undulating solid surfaces. Qualitative comparisons with recently published experimental findings indicate that for these scenarios the LB model captured the underlying physics reasonably well.
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Multiphase flow in geometrically simple fracture intersections
Physica A: Statistical Mechanics and its Applications
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Proceedings of the 13th International Conference on Discrete Simulation of Fluid Dynamics