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Numerical framework for a morphology adaptive multi-field two-fluid model in OpenFOAM

Meller, Richard; Schlegel, Fabian; Lucas, Dirk

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
  • strong phase coupling resolved by partial elimination algorithm
  • 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

This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)".
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hysing_microBubbles.zip
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README.md
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stratification_microBubbles.zip
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  • Meller, R, Schlegel, F, Lucas, D. Basic verification of a numerical framework applied to a morphology adaptive multifield two‐fluid model considering bubble motions. Int J Numer Meth Fluids. 2020; 1– 26. https://doi.org/10.1002/fld.4907

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Publication date:
April 6, 2020
DOI:
10.14278/rodare.287

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10.14278/rodare.287

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Keyword(s):
OpenFOAM, C++, CFD, Finite volume method, Multiphase flow, Multi-field two-fluid model, Eulerian-Eulerian model, Momentum interpolation, Partial elimination algorithm
Related identifiers:
Identical to:
https://www.hzdr.de/publications/Publ-30885
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License (for files):
GNU General Public License v3.0 only

Versions

Version 2.0.0 10.14278/rodare.713 Apr 6, 2020
Version 1.0.0 10.14278/rodare.287 Apr 6, 2020
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