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Forum: OpenFOAM Post-Processing

August 10, 2013, 16:17

Replies: 13

Cl and Cd values very high

Views: 1,649

Posted By Phizz82

Values are now in the 0.02 area for drag which...

Values are now in the 0.02 area for drag which seems a lot better!

Forum: OpenFOAM Post-Processing

August 10, 2013, 16:16

Replies: 13

Cl and Cd values very high

Views: 1,649

Posted By Phizz82

>.< silly me.. of course all the values ...inf...

>.< silly me.. of course all the values ...inf are freestream aren't they. No wonder my values were so high as only the area what a true representation. So it takes the forcecoeffs actually pulls out...

Forum: OpenFOAM Post-Processing

August 10, 2013, 16:06

Replies: 13

Cl and Cd values very high

Views: 1,649

Posted By Phizz82

The environment is air at approx 11km. I have...

The environment is air at approx 11km. I have been trying to build this up from tutorials without knowing everything behind it and must have missed that. Would my rhoInf be 0.42 too or is there an...

Forum: OpenFOAM Post-Processing

August 10, 2013, 15:04

Replies: 13

Cl and Cd values very high

Views: 1,649

Posted By Phizz82

Thanks immortality. Which filed would you need? I...

Thanks immortality. Which filed would you need? I would guess posy processing, controldic and the whole of the 0 folder?

Forum: OpenFOAM Post-Processing

August 9, 2013, 15:42

Replies: 13

Cl and Cd values very high

Views: 1,649

Posted By Phizz82

Cl and Cd values very high

Hi there.

I have managed to run my aerofoil simulation but I am getting very high values of Cd and Cl. I anticipated that there may be a bit of a problem with no modelling as a compressible flow...

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