Publications Repository - Helmholtz-Zentrum Dresden-Rossendorf
1 PublicationNumerical framework for a morphology adaptive multi-field two-fluid model in OpenFOAM
Meller, R.; Schlegel, F.; Lucas, D.; Tekavčič, M.
This development is further maintained under the following software publication: https://doi.org/10.14278/rodare.767
A solver for multiphase flows based on the incompressible Eulerian multi-field two-fluid model for the OpenFOAM release of The OpenFOAM Foundation for numerical simulations of multiphase flows with morphology changes and resolved interfaces.
Features:
- morphology adaptive modeling framework for modelling of dispersed and resolved interfaces based on Eulerian multi-field two-fluid model
- compact interpolation method according to Cubero et al. (Comput Chem Eng, 2014, Vol. 62, 96-107), including virtual mass
- numerical drag according to Strubelj and Tiselj (Int J Numer Methods Eng, 2011, Vol. 85, 575-590) to describe resolved interfaces in a volume-of-fluid like manner
- n-phase partial elimination algorithm for momentum equations to resolve strong phase coupling
- bubble induced turbulence model of Ma et al. (Phys Rev Fluids, 2017, Vol. 2, 034301)
- turbulent wall functions of Menter according to Rzehak & Kriebitzsch (Int J Multiphase Flow, 2015, Vol. 68, 135–152)
- free surface turbulence damping for k-ω SST (symmetric and asymmetric damping, Frederix et al., Nucl Eng Des, 2018, Vol. 333, 122-130)
- dynamic time step adjustment via PID controller
- selected test cases:
- a two-dimensional gas bubble, rising in a liquid, which is laden with micro gas bubbles, and
- a two-dimensional stagnant stratification of water and oil, sharing a large-scale interface
- a two-dimensional stratified flow based on WENKA experiment (Stäbler, Ph.D. thesis, 2007)
Keywords: OpenFOAM; C++; CFD; Finite volume method; Multiphase flow; Multi-field two-fluid model; Eulerian-Eulerian model; Momentum interpolation; Partial elimination algorithm; Free Surface
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Software in the HZDR data repository RODARE
Publication date: 2020-04-06 Open access
DOI: 10.14278/rodare.286
Versions: 10.14278/rodare.713 | 10.14278/rodare.287
License: GPL-3.0-only
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Permalink: https://www.hzdr.de/publications/Publ-30885