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KIAM Preprint  131, Moscow, 2018
Authors: Balashov V. A., Savenkov E. B.
Numerical simulation of two-dimensional two-phase fluid flows accounting for wettability with quasi-hydrodynamic equations
The present paper is devoted to further development of numerical algorithm for simulation of two-dimensional two-phase isothermal viscous flows with surface effects accounting for wettability on solid boundaries in voxel domains. Quasi-hydrodynamic regularization of NavierStokesCahnHilliard equations is used. Voxel boundary is interpreted as approximation of some (unknown) piecewise-smooth surface. Simulation results of stationary droplet touching two plane walls with different wetting angles are presented. Also two-phase flow simulations in pore doublet geometry model are performed.
Navier-Stokes-Cahn-Hilliard equations, quasi-hydrodynamic regularization, wetting angle, multiphase flows, diffuse interface
Publication language: russian,  pages: 18
Research direction:
Mathematical modelling in actual problems of science and technics
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