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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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0001-Adding-multiphase-solver-cipsaMultiphaseEulerFoam.patch
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hysing_microBubbles.zip
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LICENSE
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stratification_microBubbles.zip
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