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Forum: OpenFOAM Running, Solving & CFD May 22, 2013, 00:28
Replies: 7
Views: 3,328
Posted By fredo490
I forgot to say : the heat prediction highly...

I forgot to say : the heat prediction highly depends of the free steam turbulence parameters! A high turbulence intensity (let say 1% such as a wind tunne) will not give the same rresults as a low...
Forum: OpenFOAM Running, Solving & CFD May 22, 2013, 00:15
Replies: 7
Views: 3,328
Posted By fredo490
Thx but I have to say that the topic of...

Thx but I have to say that the topic of Chrisi1984 help me a lot.
Forum: OpenFOAM Running, Solving & CFD May 21, 2013, 10:41
Replies: 7
Views: 3,328
Posted By fredo490
I come back to my topic to give the solution of...

I come back to my topic to give the solution of my problem.

To make things simple, OpenFoam neglects lots of terms and we need to edit the source code of rhoSimplecFoam and rhoPimplecFoam....
Forum: OpenFOAM Running, Solving & CFD April 23, 2013, 10:07
Replies: 7
Views: 3,328
Posted By fredo490
It seems that the answer to my problem is in this...

It seems that the answer to my problem is in this topic: http://www.cfd-online.com/Forums/openfoam/76349-rhosimplefoam-loss-total-enthalpy.html

I'm currently running a case with the viscous...
Forum: OpenFOAM Running, Solving & CFD April 23, 2013, 04:36
Replies: 7
Views: 3,328
Posted By fredo490
I have ran extra test with Fluent and it turns...

I have ran extra test with Fluent and it turns out that the difference come from the Viscous Heating. If I uncheck the viscous heating box in k-omega sst, the Fluent results look similar to my...
Forum: OpenFOAM Running, Solving & CFD April 22, 2013, 13:30
Replies: 7
Views: 3,328
Posted By fredo490
Big problem predicting adiabatic wall temperature (wing, mach 0.33, rhoSimplecFoam)

Dear all,
I'm working on rhoSimplecFoam / rhoLTSPimpleFoam (OF 2.2) to simulate wing at mach 0.33. The simulations run smoothly and give good results (and convergence) except for the wall...
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