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Search took 0.00 seconds. Search: Posts Made By: Geon-Hong
Forum: OpenFOAM Running, Solving & CFD November 24, 2011, 05:24
Replies: 13
Views: 2,304
Posted By Geon-Hong
Fluent

One more thing that I'd like to mention is that I ran the same case(mesh) with the FLUENT but it provided converged transient solution. At least, FLUENT may provide a transient solution though the...
Forum: OpenFOAM Running, Solving & CFD November 24, 2011, 05:16
Replies: 13
Views: 2,304
Posted By Geon-Hong
about grid problems

I've noticed just before that the problems have been occurred far from the wing, not adjacent to the wing.

The problem is that the grid has been generated in structured manner and the grid size...
Forum: OpenFOAM Running, Solving & CFD November 24, 2011, 01:27
Replies: 13
Views: 2,304
Posted By Geon-Hong
checkMesh results

Dear Alberto,

Yes, I checked the high aspect ratio cells from the file highAspectRatioCells in constant/polyMesh/sets.

What can I do with this cell-set? Is there any way to improve this...
Forum: OpenFOAM Running, Solving & CFD November 24, 2011, 00:21
Replies: 13
Views: 2,304
Posted By Geon-Hong
checkMesh

Dear Alberto,

Of course I did.

However, there is a awkward thing that,

High aspect ratio cells found

and
Forum: OpenFOAM Running, Solving & CFD November 23, 2011, 21:06
Replies: 13
Views: 2,304
Posted By Geon-Hong
dear Holecek

Dear Holecek,

Thank you for your reply.

I tried other boundary conditions which are used in tutorial cases.

Still it doesn't work at all.

By the way, what log file should I check?
Forum: OpenFOAM Running, Solving & CFD November 22, 2011, 04:12
Replies: 13
Views: 2,304
Posted By Geon-Hong
Courant number

Dear alberto,

Thanks for your reply.

Of course I tried lower value of Courant number, which was set to be 0.5 or unity. However the problem was the same.

Regards,
Geon-Hong.
Forum: OpenFOAM Running, Solving & CFD November 22, 2011, 00:16
Replies: 13
Views: 2,304
Posted By Geon-Hong
convergence problem in using incompressible transient solvers.

Dear Foarmers,

Hello, I'd like to simulate the 3D half-wing which is mounted on the symmetry plane.

Recently, I applied pisoFoam and pimpleFoam to get the unsteady solutions but the solutions...
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