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Search: Posts Made By: bastil
Forum: OpenFOAM Running, Solving & CFD February 25, 2008, 13:23
Replies: 109
Views: 29,290
Posted By bastil
Looks like a pretty good mesh.

Looks like a pretty good mesh. Try zero non-orthogonal correctors. This will speed up your solution. What software did you use for meshing?

Regards
Forum: OpenFOAM Running, Solving & CFD February 23, 2008, 09:26
Replies: 109
Views: 29,290
Posted By bastil
Mattia, quality sounds good

Mattia,

quality sounds good. I am looking forward to see the checkMesh results. What tool did you use? Is it komplex geometry? Cell count is low so I guess it is a more simple shape?

In...
Forum: OpenFOAM Running, Solving & CFD February 23, 2008, 04:08
Replies: 109
Views: 29,290
Posted By bastil
Mattia, how bad is your mes

Mattia,

how bad is your mesh? Btw, how did you create it? Could you post the output from checkMesh, please. It might be worth trying to reduce nNonOrthogonalCorrectors to 0 if your mesh is not...
Forum: OpenFOAM Running, Solving & CFD February 21, 2008, 14:28
Replies: 109
Views: 29,290
Posted By bastil
Patrick: You are takling ab

Patrick:

You are takling about ICEM Hexa. This is good for block-structured meshes like wing flows. However, for real complex car shapes you will need lots of time to generate block structered...
Forum: OpenFOAM Running, Solving & CFD February 20, 2008, 16:58
Replies: 109
Views: 29,290
Posted By bastil
ICEM has restrictions regardin

ICEM has restrictions regarding hexcore meshes. Hexas all have the same size. His is not very well suited for Aerodynamic meshes.
Forum: OpenFOAM Running, Solving & CFD February 19, 2008, 15:11
Replies: 109
Views: 29,290
Posted By bastil
How does the field look like?

How does the field look like? What are your solver settings? Residuals?
Forum: OpenFOAM Running, Solving & CFD February 17, 2008, 05:52
Replies: 109
Views: 29,290
Posted By bastil
Mattia, i have seen that, t

Mattia,

i have seen that, too. Looks interesting but has two drawbacks:
* Windows only
*32 Bit only

I Think this is not the way to go for large aerodynamic meshes.
I am also...
Forum: OpenFOAM Running, Solving & CFD February 15, 2008, 17:30
Replies: 109
Views: 29,290
Posted By bastil
Mattia, are there some news

Mattia,

are there some news concerning mesh tools? I am srill seeking for well suited open source tools and would be happy about hints.

BastiL
Forum: OpenFOAM Running, Solving & CFD February 4, 2008, 16:55
Replies: 109
Views: 29,290
Posted By bastil
I Think blender in combination

I Think blender in combination with STL is possible if the stl is more or less clean. However stl from CAD packages normally are not. I hav a lot of dirty stl files I want to mesh with open source...
Forum: OpenFOAM Running, Solving & CFD February 3, 2008, 17:41
Replies: 109
Views: 29,290
Posted By bastil
Mattia, is the geometry cle

Mattia,

is the geometry clean or not (holes, overlappings, small faces,...)?
If your geometry is more or less clean you could try using netgen or salome to create surface and volume meshes...
Forum: OpenFOAM Running, Solving & CFD February 2, 2008, 06:47
Replies: 109
Views: 29,290
Posted By bastil
The OpenFoam preprocessor "blo

The OpenFoam preprocessor "blockMesh" is not suited for handling theses complex geometries. I think if you want to use open source you can try to use one of the tet-meshers out there and use...
Forum: OpenFOAM Running, Solving & CFD January 31, 2008, 17:16
Replies: 109
Views: 29,290
Posted By bastil
Hi Mattia, may I ask what s

Hi Mattia,

may I ask what software you intend to use for meshing?
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