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Showing results 1 to 9 of 9 Search took 0.00 seconds. Search: Posts Made By: immortality

Forum: OpenFOAM June 12, 2013, 08:53

Replies: 17 High speed flow with Launder-Sharma-k-epsilon-Model Views: 2,982 Posted By immortality thanks.:) when I was using mutkWallFunction,and... thanks.:) when I was using mutkWallFunction,and by yPlusRAS -compressible in high-Re simulation I obtained y+ values in a range of 20-45.is it OK in your opinion? if y+ be lower than 30 does the...

Forum: OpenFOAM June 6, 2013, 13:10

Replies: 17 High speed flow with Launder-Sharma-k-epsilon-Model Views: 2,982 Posted By immortality and do you mean that main setting for wall... and do you mean that main setting for wall function is done in mut not other variables?and no need to set other variables (k/omega/epsilon) to spaldingWallFunction? :)...

Forum: OpenFOAM June 6, 2013, 12:38

Replies: 17 High speed flow with Launder-Sharma-k-epsilon-Model Views: 2,982 Posted By immortality in 1 question I wonder how can set an omega value... in 1 question I wonder how can set an omega value on wall?(what value?a value around inflow?) in 3 I mean on the wall too. thank you for help.

Forum: OpenFOAM June 6, 2013, 12:03

Replies: 17 High speed flow with Launder-Sharma-k-epsilon-Model Views: 2,982 Posted By immortality thanks. 3 questions: 1)in low-Re as you said... thanks. 3 questions: 1)in low-Re as you said omega should not be zero(1e-10) but how can specify an appropriate value there?is it approximate? 2)what do you mean by using wallFunction for omega in...

Forum: OpenFOAM June 6, 2013, 11:43

Replies: 17 High speed flow with Launder-Sharma-k-epsilon-Model Views: 2,982 Posted By immortality dear Sebastian have a look into... dear Sebastian have a look into it:http://www.openfoam.org/mantisbt/view.php?id=835#c2167 it looks there isn't yet an low-Re kOmegaSST model in OF as Dr.Weller told me.

Forum: OpenFOAM June 6, 2013, 11:38

Replies: 17 High speed flow with Launder-Sharma-k-epsilon-Model Views: 2,982 Posted By immortality thanks so much valentine.was very useful. a... thanks so much valentine.was very useful. a question occurred to me.should internalField better to be equal to inflow values or be equal to values have set on walls? and how can do about high-Re...

Forum: OpenFOAM June 6, 2013, 07:10

Replies: 17 High speed flow with Launder-Sharma-k-epsilon-Model Views: 2,982 Posted By immortality thanks Valentine could you tell me about how... thanks Valentine could you tell me about how choose and which formulas(if they are any) you used for obtaining omega value on walls and also inlet values? and why didn't you assign mut to be...

Forum: OpenFOAM June 6, 2013, 01:49

Replies: 17 High speed flow with Launder-Sharma-k-epsilon-Model Views: 2,982 Posted By immortality hi Valentin do you want to simulate a low-Re... hi Valentin do you want to simulate a low-Re turbulence too?could you send your case to me? Thanks.

Forum: OpenFOAM June 6, 2013, 01:40

Replies: 17 High speed flow with Launder-Sharma-k-epsilon-Model Views: 2,982 Posted By immortality hello Sebastian Did you find out the proper... hello Sebastian Did you find out the proper answers? And how did you find out which method is suitable for low-Re compressible?

Showing results 1 to 9 of 9

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