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Forum: OpenFOAM Running, Solving & CFD

July 23, 2014, 11:53

Replies: 11

elbow problem

Views: 1,709

Posted By enginpower

Thanks a lot for your reply. But now I don't...

Thanks a lot for your reply.
But now I don't understand something about OpenFOAM. Where could I set gravity g? What I mean is: my pipe could stay also horizontal, that is with z axis perpendicular...

Forum: OpenFOAM Running, Solving & CFD

July 23, 2014, 04:22

Replies: 11

elbow problem

Views: 1,709

Posted By enginpower

Hi wouter, but I set U and not p at the inlet....

Hi wouter,
but I set U and not p at the inlet. There, p is zerogradient and U=0.05m/s, so not too high.

I don't understand what do you mean?

Could you suggest any value to run a possible water...

Forum: OpenFOAM Running, Solving & CFD

July 22, 2014, 07:51

Replies: 11

elbow problem

Views: 1,709

Posted By enginpower

No one could give me any suggestions? Thank...

No one could give me any suggestions?

Thank you!!

Forum: OpenFOAM Running, Solving & CFD

July 21, 2014, 07:32

Replies: 11

elbow problem

Views: 1,709

Posted By enginpower

Hi all, I did other trials with icoFoam. I...

Hi all,
I did other trials with icoFoam.

I found that up 10Pa of delta pressure inlet/outlet flow it stops simulation maybe for some waves effect as someone suggested.

Anyway now I'm trying to...

Forum: OpenFOAM Running, Solving & CFD

July 11, 2014, 07:17

Replies: 11

elbow problem

Views: 1,709

Posted By enginpower

Thanks a lot to all. I will do other trials...

Thanks a lot to all.

I will do other trials reducing delta pressure to 1bar=0.1MPa. Then I will try matejfor's suggestions for other cases.
I will let you know if I will find other problems.
...

Forum: OpenFOAM Running, Solving & CFD

July 9, 2014, 13:07

Replies: 11

elbow problem

Views: 1,709

Posted By enginpower

elbow problem

Hi all,
I'm a beginner with OpenFoam and CFD.

To do experience I followed a tutorial to simulate flows in an elbow pipe.
I did different trials, setting as initial boundary conditions velocity...

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