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Which solver in OpenFOAM corresponds to the Eulerian Model in FLUENT?

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Old   March 20, 2017, 04:13
Default Which solver in OpenFOAM corresponds to the Eulerian Model in FLUENT?
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Jihoe Kwon
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Hi, everyone.
I am trying to initiate my CFD simulation using OpenFOAM.
My system of interest is as follows:
Initially two fluids are homogenenously mixed by volume fraction of 1:1.
Two fluids have different values of density. So under gravity, stratification of two fluids takes place.
Finally the two fluids will be almost completely separated by gravity.
Diffusion and surface tension are assumed to be negligible. Cyclic boundary condition will be applied along horizontal directions.
VOF or mixture model do not seem to be applicable, cause they do not calculate the relative motion of two fluids.
According to the documentation research, I found that Eulerian model in FLUENT seem to meet my needs.
However, I only have the OpenFOAM.
Is there any multiphase model in OpenFOAM that solves the momentum equation separately for n phases?

P.S. : Unlike Fluent, OpenFOAM documentation (TutorialGuide.pdf, UserGuide.pdf) does not tell much about the theories behind the solvers.
If there exists a overall theory documentation of OpenFOAM, can anybody tell me?
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Old   March 20, 2017, 10:35
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Juho Peltola
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reactingTwoPhaseEulerFoam: https://github.com/OpenFOAM/OpenFOAM...PhaseEulerFoam

or

reactingMultiphaseEulerFoam: https://github.com/OpenFOAM/OpenFOAM...erFoam/laminar

There are also legacy twoPhaseEulerFoam and multiPhaseEulerFoam solvers, but the newer "reacting" versions are more general and can be used also for non-reacting and isothermal simulations.
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