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Forum: OpenFOAM Running, Solving & CFD July 9, 2013, 07:00
Replies: 41
Views: 12,011
Posted By levka
initial conditions were U=0,p=0. And then flow...

initial conditions were U=0,p=0. And then flow developed to the "quasi steady state" of turbulence flow.
Forum: OpenFOAM Running, Solving & CFD June 23, 2013, 07:16
Replies: 41
Views: 12,011
Posted By levka
I suggest you to look at regular channel solver...

I suggest you to look at regular channel solver and it's tutorial. "Ubar" is used over there without any gradP.
Forum: OpenFOAM Running, Solving & CFD May 28, 2012, 10:08
Replies: 41
Views: 12,011
Posted By levka
....

Hello,Farshad585
that error maybe coursed by either you did not run blockmesh, either your initial field is generated not for your mesh.
Best
Forum: OpenFOAM Running, Solving & CFD May 24, 2012, 03:54
Replies: 41
Views: 12,011
Posted By levka
...

That depends on your mesh and mesh it self should be defined according to comparison some integral parameter (for example U+ profile or Cf, Cd ) with some closest benchmark problem. Got it?
Cheers
Forum: OpenFOAM Running, Solving & CFD May 24, 2012, 02:02
Replies: 41
Views: 12,011
Posted By levka
...

Hello ehsan,

I suggest you to download solver solver from the first post and utilize that for your purpose. Just change mesh and BC according to your case, not forget to use initial conditions...
Forum: OpenFOAM Running, Solving & CFD May 8, 2012, 02:40
Replies: 41
Views: 12,011
Posted By levka
nice

Nice idea! But how to do it ?
Forum: OpenFOAM Running, Solving & CFD May 6, 2012, 02:39
Replies: 41
Views: 12,011
Posted By levka
Everything you need to compute DNS in channel vs OF 2.1.0

Hello everyone.
Here are everything you need to compute DNS in channel vs OF 2.1.
Attached pdf is comparison this solver with DNS data of Kawamura and "Kim and Moin, 1987". Max divergence by...
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