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Forum: OpenFOAM Post-Processing

March 20, 2012, 06:00

Replies: 72

Forces in V1.6

Views: 31,346

Posted By Eren10

Hi, I have used for mine new simulation the...

Hi,

I have used for mine new simulation the solution of old case. Only the angle of attack ( so velocity and lift and drag coefficients ) is changed. The simulations went oke, however the...

Forum: OpenFOAM Post-Processing

June 21, 2011, 11:08

Replies: 72

Forces in V1.6

Views: 31,346

Posted By Eren10

Still I haven't been able to specify the pRef...

Still I haven't been able to specify the pRef value :o

I have tried this in the controlDict file, to calculate force coefficients: pref pRefPoint (x y z);

but openfoam doesn't see pRefPoint(x...

Forum: OpenFOAM Post-Processing

June 16, 2011, 08:39

Replies: 72

Forces in V1.6

Views: 31,346

Posted By Eren10

The flow field looked oke but given Cl value was...

The flow field looked oke but given Cl value was not oke. So, I decided to calculate the Cl value by sampling pressure values. I get, Cl = 0.166, which looks oke , for airfoil at 0 angle of attack. ...

Forum: OpenFOAM Post-Processing

June 14, 2011, 12:27

Replies: 72

Forces in V1.6

Views: 31,346

Posted By Eren10

I have to change the pRef value to calculate the...

I have to change the pRef value to calculate the forces.

I am adding this statement to functions forces: pRef 1000; This does not change anything in values, it looks like it is invariant to the...

Forum: OpenFOAM Post-Processing

June 10, 2011, 10:44

Replies: 72

Forces in V1.6

Views: 31,346

Posted By Eren10

mine BC conditions for pressure is zeroGradient,...

mine BC conditions for pressure is zeroGradient, so I do not know what the pressure is at the farfield. at default pRef is set to 0.

How can I specify the pRef at the freestream pressure ? I...

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