One phase is compressible, can I use compressibleinterfoam?
Hi guys,
Im wondering if only one phase is compressible, the other is incompressible. can I use compressibleinterFoam? And in Fluent, it said: Code:
If you are using the VOF or mixture model for a compressible flow, note the following: Why does it say" only one of the phases can be compressible?" But in compressibleinterFoam, all the phases are compressible. Thanks |
Any ideas?
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hello,
I am not sure that checking the Fluent Doc to know if you can use an openFoam solver is a good way to go. A simple check in the tutorial repo (i.e tutorials/multiphase/compressibleInterFoam/laminar/) will give you the answer. You will see that for water (incompressible), R=3000, which mean weakly compressible (as for perfectFluid thermotype, rho = rho0 +p/RT) So you can perfectly have one compressible phase, an the other almost incompressible. If you need a strict incompressible, use rhoConst, incompressiblePerfectGaz or icoPolynomial thermotype. regards, olivier |
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