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Search: Posts Made By: andrea.pasquali
Forum: OpenFOAM Running, Solving & CFD October 5, 2010, 10:59
Replies: 109
Views: 29,281
Posted By andrea.pasquali
Hi, I continued my case until residuals...

Hi,
I continued my case until residuals converge well, now I have
Cd 0.299886
Cl 0.360877
I have 82% Drag in Pressure and 18% in Friction

Is there in OpenFOAM a function to calculate Cp?
Are...
Forum: OpenFOAM Running, Solving & CFD October 4, 2010, 08:34
Replies: 109
Views: 29,281
Posted By andrea.pasquali
My last result Ahmed 25 slant (with half model...

My last result Ahmed 25 slant (with half model hexa mesh)
Cd 0.3006 (Exp 0.299)
Cl 0.361 (Exp 0.345)

Andrea
Forum: OpenFOAM Running, Solving & CFD September 24, 2010, 08:55
Replies: 109
Views: 29,281
Posted By andrea.pasquali
Sorry my error in copy/paste. I use...

Sorry my error in copy/paste. I use "omegaWallFunction" too for omega BC.
Of course I'll update my result report!

Regards
Forum: OpenFOAM Running, Solving & CFD September 24, 2010, 08:06
Replies: 109
Views: 29,281
Posted By andrea.pasquali
Hi Stephane, good result for Cd, for the Cl the...

Hi Stephane,
good result for Cd, for the Cl the experimental is 0.345, right?! My last one is Cd 0.318 Cl 0.351 with half model 1.8 Ml cells KOmegaSST turbulence model.
Now I'm trying different...
Forum: OpenFOAM Running, Solving & CFD September 22, 2010, 14:52
Replies: 109
Views: 29,281
Posted By andrea.pasquali
Hello Louis, I attended at 5th Workshop in...

Hello Louis,
I attended at 5th Workshop in Gotheborg and I followed your presentation!
I'm interesting also to try different walls models.
For your Ahmed you have 9 m/s and you use LowRe in the...
Forum: OpenFOAM Running, Solving & CFD September 22, 2010, 10:19
Replies: 109
Views: 29,281
Posted By andrea.pasquali
Hi Louis, I have Ahmed Body 25° slant. From...

Hi Louis,
I have Ahmed Body 25° slant. From Graz Paper Workshop in Milan, experimental data gives Cd = 0.299.
My best result is Cd = 0.327 calculated on body only, with:
half model 1.8 Ml cells,...
Forum: OpenFOAM Running, Solving & CFD September 22, 2010, 05:50
Replies: 109
Views: 29,281
Posted By andrea.pasquali
Hi everyone, I have a question, where is done...

Hi everyone,
I have a question, where is done the force calculation?
1) All body (body + legs) with Aref = Aref_body + Aref_legs ?
2) Only body (without legs) with Aref = Aref_body ?
3) All body...
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