Porosity treatment in OpenFOAM
I'm creating a solver for fibrous porous media and therefore have to deal with anistropic permability.
I have a question regarding the explicit/implicit treatment of the porosity. I an old thread, olsen posted:
And furthermore, why is the ddt-term "pZones.ddt(rho, U)" in the UEqn of porousInterFoam commented out? This prevents the solver from taking the porosity in account for the calculation. Why would that make sense? I ran the simulation with the pZones.ddt term and porosity of 0.45. There was no difference in flow propagation/speed at all. This is really confusing me! Any hinds?
Thanks in advance,
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