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-   -   Why is "alphaEqn.H" used in twoLiquidMixingFoam? (https://www.cfd-online.com/Forums/openfoam-programming-development/200465-why-alphaeqn-h-used-twoliquidmixingfoam.html)

kaaja April 4, 2018 01:55
Why is "alphaEqn.H" used in twoLiquidMixingFoam?
 
Why is "alphaEqn.H" used in twoLiquidMixingFoam?, when rho is already calculated in "alphaDiffusionEqn.H"?

kaaja April 5, 2018 07:52
Answer to my own post:
I think the full equation for alpha is split into two equations.
One gets a contibution from convection from alphaEqn.H and one get the contribution from diffusion from alphaDiffusion.
These two are then mixed somehow to get the total alpha.


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