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December 6, 2020, 10:21 |
iMUSIG setup
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#1 |
New Member
Geoff
Join Date: Nov 2017
Posts: 4
Rep Power: 8 |
Does CFX automatically connect the velocity groups for iMUSIG?
I have run the MUSIG model for a single velocity group and got a reasonable result. When I try to add a second velocity group, it solves fine. However, the results don't make sense. I have a size fraction of 90% in the largest bubble size of the first velocity group, yet no mass is entering the second velocity group. My set up in pre is as follows: Phases -water (continuous) -air1 (polydisperse) -air2 (polydisperse) In the polydispersed fluids tab I create 2 MUSIG fluids -airVG1 for the first velocity group, air1, diameters 0-6mm -airVG2 for the second velocity group, air2, diameter 6-12mm -both are 'Homogeneous MUSIG' I do not see an option for 'Inhomogeneous MUSIG' In Fluid pairs tab I configure air1|water, air2|water as I normally would. There is no air1|air2 pair so I thought CFX automatically linked them. Now I do not know if this is the case. I am using the standard CFX breakup and coalescence models. I have read the CFX documentation but I haven't found specific instructions on setting up iMUSIG. |
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