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Forum: OpenFOAM Running, Solving & CFD

April 21, 2005, 06:28

Replies: 24

Which solver

Views: 3,222

Posted By braennstroem

Boussinesq approximation is us

Boussinesq approximation is used.

Forum: OpenFOAM Running, Solving & CFD

April 21, 2005, 04:10

Replies: 24

Which solver

Views: 3,222

Posted By braennstroem

Sorry, I forgot to mention, th

Sorry, I forgot to mention, that we use fluent and cfx.

As soon, as I get my fluent mesh into OpenFoam, I try out compressible and when I got the incompressible variant (if I can get done), I...

Forum: OpenFOAM Running, Solving & CFD

April 21, 2005, 01:23

Replies: 24

Which solver

Views: 3,222

Posted By braennstroem

Hi, he mentioned, that it w

Hi,

he mentioned, that it won't converge as fast ...
but I will try out compressible with the low Ma-number pressure solver; I actually did not tell him about that.

Changing it to...

Forum: OpenFOAM Running, Solving & CFD

April 20, 2005, 01:29

Replies: 24

Which solver

Views: 3,222

Posted By braennstroem

I think it is good that there

I think it is good that there is no limit, but in a room it is possible to neglect the change of density due to pressure differences.

I will try the buoyantFoam, but maybe you can give me a...

Forum: OpenFOAM Running, Solving & CFD

April 19, 2005, 01:14

Replies: 24

Which solver

Views: 3,222

Posted By braennstroem

...but the Ma-number is smalle

...but the Ma-number is smaller than 0.3, so you should be able to use incompressible.

Actually I would be the first at our building technology institute who is using a compressible one. ...

Forum: OpenFOAM Running, Solving & CFD

April 18, 2005, 06:55

Replies: 24

Which solver

Views: 3,222

Posted By braennstroem

Hi, because it is for compres

Hi,
because it is for compressible flow!? And usually we use a incompressible solver.

Fabian

Forum: OpenFOAM Running, Solving & CFD

April 18, 2005, 05:53

Replies: 24

Which solver

Views: 3,222

Posted By braennstroem

Hi, I want to calculate the

Hi,

I want to calculate the airflow in a room with heated walls and a ventilation in- and outlet.
Do you have any hint, which solver I should use? I found 'turbfoam' for incompressible,...

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