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Forum: OpenFOAM Running, Solving & CFD March 1, 2008, 06:52
Replies: 109
Views: 29,281
Posted By juho
Added turbulent drag to the so

Added turbulent drag to the solver and iterated some more with the kOmegaSST:

pressureDragCoefficient = 0.357712
viscDragCoefficient = 0.00803725
turbCoefficient = 0.021208 ...
Forum: OpenFOAM Running, Solving & CFD March 1, 2008, 02:08
Replies: 109
Views: 29,281
Posted By juho
Hi, In my not quite converg

Hi,

In my not quite converged but Cd and Cl quite stable results realizableKE give a Cd of 0.45 and Cl 0.3. kOmegaSST gives Cd 0.36 and Cl 0.28. As the car is imaginary I don't have anything to...
Forum: OpenFOAM Running, Solving & CFD February 27, 2008, 11:46
Replies: 109
Views: 29,281
Posted By juho
Would any of you have access t

Would any of you have access to 3d-models of real cars you could spare? Something I could find Cd and Cl figures on?

I'd like to compare results to experimental data.
Forum: OpenFOAM Running, Solving & CFD February 23, 2008, 09:48
Replies: 109
Views: 29,281
Posted By juho
I'm baffled by the pressure re

I'm baffled by the pressure results in my case.

My free stream velocity is 30m/s

After 3000 iterations, and max. pressure hasn't changed much during the last 1500 of them, simpleFoam gives...
Forum: OpenFOAM Running, Solving & CFD February 20, 2008, 09:37
Replies: 109
Views: 29,281
Posted By juho
The ICEM CFD is good I hear, h

The ICEM CFD is good I hear, haven't used it. It probably isn't cheap though.

Does anyone actually know the price?
Forum: OpenFOAM Running, Solving & CFD February 20, 2008, 09:15
Replies: 109
Views: 29,281
Posted By juho
No data, it's an imaginary car

No data, it's an imaginary car I drew. Just learning to use OpenFOAM and some qualitative results on how geometry changes affect things. Velocity is 30m/s forgot to say.

Next I should try to...
Forum: OpenFOAM Running, Solving & CFD February 20, 2008, 08:34
Replies: 109
Views: 29,281
Posted By juho
Hello Here are some work in

Hello

Here are some work in progress pictures of my not quite yet converged practise case:

http://www.students.tut.fi/~peltol20/it500.png
...
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