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KIAM Preprint № 91, Moscow, 2017
Authors: Balashov V. A., Zlotnik A.A., Savenkov E. B.
Numerical algorithm for simulation of three-dimensional two-phase flows with surface effects within domains with voxel geometry
Abstract:
The paper presents a numerical algorithm for computing three-dimensional viscous compressible isothermal two-phase two-component flows with surface effects in domains of complex shape with voxel geometry. The algorithm is based on quasi-hydrodynamic regularization of the diffuse-interface model. A new improved finite-difference scheme is constructed. The method of its implementing on the domain boundary is described in detail. The simulation results are given for spreading of a drop on a substrate and displacement of a fluid by another one in a channel of complex shape.
Keywords:
quasi-hydrodynamic system of equations, finite-difference scheme, multiphase flows, diffuse interface, regularized Navier-Stokes-Cahn-Hilliard equations, voxel geometry
Publication language: russian,  pages: 28
Research direction:
Mathematical modelling in actual problems of science and technics
Russian source text:
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About authors:
  • Balashov Vladislav Aleksandrovich,  vladislav.balashov@gmail.comorcid.org/0000-0002-7321-788XKIAM RAS
  • Zlotnik Alexander Anatolievich,  azlotnik2007@mail.ru,  НИУ Высшая школа экономики
  • Savenkov Evgeny Borisovich,  e.savenkov@googlemail.comorcid.org/0000-0003-3363-7043KIAM RAS