Use of high accuracy schemes to handle free surfaces in computing unsteady two-phase flows

This paper shows that it is possible to use high accuracy convective interpolation schemes to compute multidimensional two-phase flows successfully, including accurate simulations of free surface flows. A code, POOL3D, has been developed which solves the equations of two-phase two-fluid flows using...

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Bibliographic Details
Published in:Computer methods in applied mechanics and engineering 1998-08, Vol.162 (1), p.271-286
Main Authors: García Mollá, Victor Manuel, Muñoz-Cobo González, JoséLuis, Zamora, Leticia López
Format: Article
Language:English
Subjects:
Computational methods in fluid dynamics
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Hydrodynamic waves
Multiphase and particle-laden flows
Nonhomogeneous flows
Physics
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Summary:This paper shows that it is possible to use high accuracy convective interpolation schemes to compute multidimensional two-phase flows successfully, including accurate simulations of free surface flows. A code, POOL3D, has been developed which solves the equations of two-phase two-fluid flows using high accuracy convective interpolation schemes, a combination of bounded QUICKEST for the momentum equations and bounded SOU for the mass equations. Special attention is paid to the interpolations needed to compute the void fraction in staggered grids, which is a crucial issue for the accuracy of the free surface simulations. Numerical results are presented, first of a standard incompressible flow benchmark (steady lid-driven cavity) and then of a free surface benchmark (collapse of a water column).
ISSN:0045-7825
1879-2138
DOI:10.1016/S0045-7825(97)00347-2