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Forum: OpenFOAM Running, Solving & CFD

March 10, 2011, 15:18

Replies: 5

How to get the real pressure if I need it

Views: 1,580

Posted By lakeat

:confused::confused:To calculate real pressure,...

:confused::confused:To calculate real pressure, Pls help and see if this is correct?:confused::confused:

Solver: simpleFoam
External Flow, but the b.c. settings as in a wind tunnel case, with...

Forum: OpenFOAM Running, Solving & CFD

March 7, 2011, 22:01

Replies: 5

How to get the real pressure if I need it

Views: 1,580

Posted By lakeat

How fine the mesh should be?

I am more confused now, after refining the mesh, the forceCoeff (CD, CL, CM) of the movingwall of the cavity keeps changing with the refinements, im not sure whether there is a convergent point.
...

Forum: OpenFOAM Running, Solving & CFD

March 7, 2011, 20:20

Replies: 5

How to get the real pressure if I need it

Views: 1,580

Posted By lakeat

oops, i see.. I use a threshold to replot the...

oops, i see.. I use a threshold to replot the finer mesh case, and there's slight difference, but that is reasonable. Thanks for the hints.

Forum: OpenFOAM Running, Solving & CFD

March 7, 2011, 12:58

Replies: 5

How to get the real pressure if I need it

Views: 1,580

Posted By lakeat

How to get the real pressure if I need it

I know its a stupid question, sorry to bring it up again.

But in a very simple case like icoFoam/cavity, when I doubled the mesh from 20*20*1 to 40*40*1, the pressure field doubled too, both the...

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