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Search: Posts Made By: -mAx-
Forum: FLUENT August 11, 2010, 01:22
Replies: 34
Views: 24,110
Posted By -mAx-
I am not very experienced wit...

I am not very experienced wit smoothing/remeshing, but more with layering.
you can try changing parameters...
Since I don't have Fluent, I cannot help you more than I did.
But once again: before...
Forum: FLUENT August 10, 2010, 08:57
Replies: 34
Views: 24,110
Posted By -mAx-
the divergence should come from negative cells or...

the divergence should come from negative cells or high skewed cells.
But you are not suppose to get such warning in mesh motion since no physics equation is solved.
Are you giving a motion, or is...
Forum: FLUENT August 10, 2010, 05:39
Replies: 34
Views: 24,110
Posted By -mAx-
prior to calculations did you check mesh motion...

prior to calculations did you check mesh motion (solve/mesh motion...)
it will help you debugging your case (if the divergence comes from your mesh or not)
Forum: FLUENT August 9, 2010, 07:08
Replies: 34
Views: 24,110
Posted By -mAx-
display/contour/ there is someting about mesh...

display/contour/
there is someting about mesh or cell (then volume)
Forum: FLUENT August 9, 2010, 05:35
Replies: 34
Views: 24,110
Posted By -mAx-
you need to localize where is the problem. (which...

you need to localize where is the problem. (which cells has negative volume)
Forum: FLUENT August 9, 2010, 02:25
Replies: 34
Views: 24,110
Posted By -mAx-
maybe is your body's displacement to big. Try...

maybe is your body's displacement to big.
Try to reduce the time-step again
Forum: FLUENT November 4, 2009, 08:16
Replies: 34
Views: 24,110
Posted By -mAx-
I don't know anymore (I switched to OpenFOAM, I...

I don't know anymore (I switched to OpenFOAM, I am not using Fluent anymore)
But I think there is a Panel "Geometry Definition" or something like that, which gives you some info about cell height....
Forum: FLUENT November 4, 2009, 07:44
Replies: 34
Views: 24,110
Posted By -mAx-
Tutorial 12 from Help may help you (Using Dynamic...

Tutorial 12 from Help may help you (Using Dynamic Meshes)
Forum: FLUENT November 4, 2009, 07:34
Replies: 34
Views: 24,110
Posted By -mAx-
ok, then your initial grid is ok, and your issue...

ok, then your initial grid is ok, and your issue remains in the MDM-set up.
you have to set the moving wall as rigid body (here you have to give the motion with a profile or a UDF)
The side walls...
Forum: FLUENT November 4, 2009, 07:16
Replies: 34
Views: 24,110
Posted By -mAx-
*moving mesh? *2d-axi?

*moving mesh?
*2d-axi?
Forum: FLUENT November 4, 2009, 06:46
Replies: 34
Views: 24,110
Posted By -mAx-
If you have negative volume, the best way is to...

If you have negative volume, the best way is to correct your mesh.
If you work with Gambit go back over there, and see where are those cells
Examine Mesh / Volume ... set the upper limit to 0
It...
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