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Forum: OpenFOAM

September 26, 2010, 07:50

Replies: 43

simpleFoam convergence on large domain

Views: 12,778

Posted By beauty

Hi， I am glad to see the discussion on the...

Hi，
I am glad to see the discussion on the problem of RSM here! Hi, spej, are you simulating the swirl flow in a cyclone? When simulating the flow in a cyclone, I can not get convergence by using...

Forum: OpenFOAM

April 24, 2010, 03:43

Replies: 43

simpleFoam convergence on large domain

Views: 12,778

Posted By beauty

RSM can not get convergence!

Hi, Alberto

After changing the schemes as your advice, the simpleFoam with RNGkepsilon goes well and the result also improved.;) But the simpleFoam with RSM still can not get convergence....

Forum: OpenFOAM

April 23, 2010, 22:09

Replies: 43

simpleFoam convergence on large domain

Views: 12,778

Posted By beauty

Hi, Alberto Thanks for your timely reply, I...

Hi, Alberto
Thanks for your timely reply, I will try as you suggest, I will upload result as soon as possible.

beauty

Forum: OpenFOAM

April 23, 2010, 03:22

Replies: 43

simpleFoam convergence on large domain

Views: 12,778

Posted By beauty

Hi, This is my fvsolution and fvscheme.My...

Hi,
This is my fvsolution and fvscheme.My turbulent model is RNGkepsilon model. Once I change the scheme of div(phi,k) and div(phi,epsilon) to other high order scheme, it display "floating-point...

Forum: OpenFOAM

April 22, 2010, 22:27

Replies: 43

simpleFoam convergence on large domain

Views: 12,778

Posted By beauty

Hi, The checkmesh result of my new mesh is as...

Hi,
The checkmesh result of my new mesh is as follows. The simplefoam with high-level schemes Still does not work. :mad:

Checking patch topology for multiply connected surfaces ...
...

Forum: OpenFOAM

April 16, 2010, 21:09

Replies: 43

simpleFoam convergence on large domain

Views: 12,778

Posted By beauty

Hi, alberto Thank you for your advice. I...

Hi, alberto

Thank you for your advice. I will rebuild my mesh and do my best to avoid skewed cells as well as non-orthogonal cells. If it works, I give a feekback.:p

beauty

Forum: OpenFOAM

April 15, 2010, 21:31

Replies: 43

simpleFoam convergence on large domain

Views: 12,778

Posted By beauty

Hi, My domain is complex, I generate the...

Hi,
My domain is complex, I generate the mesh with gambit. After performing checkMesh, the results display as follows:

Create time

Create polyMesh for time = 0

Time = 0

Mesh stats

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