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Forum: OpenFOAM Running, Solving & CFD

April 22, 2015, 03:19

Replies: 38

Near wall treatment in k-omega SST

Views: 56,644

Posted By romant

For all these wall functions, one should consider...

For all these wall functions, one should consider to have the y+ between 35 and 150, at about 35 the log layer starts. If you have more than 150, let's say up to 300, this could sometimes also work,...

Forum: OpenFOAM Running, Solving & CFD

April 21, 2015, 05:00

Replies: 38

Near wall treatment in k-omega SST

Views: 56,644

Posted By romant

You have to consider that the tutorials are not...

You have to consider that the tutorials are not for academic analysis. They are there to show the capabilities of OpenFOAM. However, when you design your cases, you will need to take care of numerics...

Forum: OpenFOAM Running, Solving & CFD

July 13, 2011, 08:21

Replies: 38

Near wall treatment in k-omega SST

Views: 56,644

Posted By romant

not checked

hej,

i haven't checked at which time the model breaks down, but in the end I used 1.1 to 1.15 as my cell growth ratio.

Forum: OpenFOAM Running, Solving & CFD

July 13, 2011, 03:59

Replies: 38

Near wall treatment in k-omega SST

Views: 56,644

Posted By romant

k-Omega SST low Re considerations

hej,

as I have noticed now, the change in the "wall function" as suggested by henry is not to reliable. I found however, that when using k-omega SST in a low Re mode, one should have a very smooth...

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