Well, I'm new with OpenFOAM and for the past month I've been using it to perform some simulations.
To do so, I took icoFoam and added a second phase to the simulation obtaining a velocity field for each phase. Later on I also added temperature transport for both phases.
Until now I've been simulating only incompressible fluids, but now I need to do the same with compressible ones.
Until now the fluids I was using had constant densities, given by a scalar value, but now I want to change this so I can assign them a variable value given by an equation, such as:
"Pressure/(R*Temperature)", being R the gas universal constant.
As you can see the density would then depend on the pressure, characterizing a compressible flow.
What modifications should I perform in my modified icoFoam so it would be able to correctly simulate this situation???
Or would it be better to use another built-in solver?
Thanks a lot
Why don't you try rhoCentralFoam or another compressible solver?
I am not an expert in this field but it sounds like you will need many modifications
Use rhoPimpleFoam or rhoPisoFoam and run them in laminar mode (if you need a laminar solution)
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