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Forum: OpenFOAM Meshing & Mesh Conversion

September 16, 2010, 22:47

Replies: 19

[snappyHexMesh] snappyHexMesh taking a lot of RAM

Views: 6,694

Posted By ziad

Ahah!

why use a virtual machine when you can run native...

http://www.cfd-online.com/Forums/openfoam-installation/77570-patches-openfoam-1-7-macos-x.html?highlight=osx

Forum: OpenFOAM Meshing & Mesh Conversion

September 15, 2010, 22:01

Replies: 19

[snappyHexMesh] snappyHexMesh taking a lot of RAM

Views: 6,694

Posted By ziad

here is my snappyHexMeshDict for reference if it...

here is my snappyHexMeshDict for reference if it can help.

Forum: OpenFOAM Meshing & Mesh Conversion

September 15, 2010, 19:09

Replies: 19

[snappyHexMesh] snappyHexMesh taking a lot of RAM

Views: 6,694

Posted By ziad

Don't worry about it. We all learn from each...

Don't worry about it. We all learn from each other on the forums.

I tried snapEdge before and did not really like the result since my geometry has nothing but perpendicular edges. A really...

Forum: OpenFOAM Meshing & Mesh Conversion

September 15, 2010, 14:37

Replies: 19

[snappyHexMesh] snappyHexMesh taking a lot of RAM

Views: 6,694

Posted By ziad

Looks good but you still need to separate the...

Looks good but you still need to separate the brackets in individual faces. I use salome and this is best done with the explode function under the new entity menu. I don't think it makes a difference...

Forum: OpenFOAM Meshing & Mesh Conversion

September 14, 2010, 23:40

Replies: 19

[snappyHexMesh] snappyHexMesh taking a lot of RAM

Views: 6,694

Posted By ziad

It's probably the thin plates in the attachment...

It's probably the thin plates in the attachment frame. Is that the reason why you need to go with (7 8) refinement levels?

I would do this:
* Try to separate each plate in as many separate faces...

Forum: OpenFOAM Meshing & Mesh Conversion

September 14, 2010, 21:02

Replies: 19

[snappyHexMesh] snappyHexMesh taking a lot of RAM

Views: 6,694

Posted By ziad

I actually put together my own case. Ran the...

I actually put together my own case. Ran the motorbike tutorial the first time successfully but ended doing my own thing. In my case every single surface is defined in its own stl file and every...

Forum: OpenFOAM Meshing & Mesh Conversion

September 13, 2010, 15:56

Replies: 19

[snappyHexMesh] snappyHexMesh taking a lot of RAM

Views: 6,694

Posted By ziad

sure thing. I am using the simple decomposition....

sure thing. I am using the simple decomposition. nothing fancy there.

FoamFile
{
version 2.0;
format ascii;

root "";
case "";
...

Forum: OpenFOAM Meshing & Mesh Conversion

September 4, 2010, 16:41

Replies: 19

[snappyHexMesh] snappyHexMesh taking a lot of RAM

Views: 6,694

Posted By ziad

problem solved by separating the small surfaces...

problem solved by separating the small surfaces from the larger ones. The mesh size was reduced by 3 and the memory consumption is now about 2GB-2.5GB. still pricy but at least it's manageable.

Forum: OpenFOAM Meshing & Mesh Conversion

September 4, 2010, 13:28

Replies: 19

[snappyHexMesh] snappyHexMesh taking a lot of RAM

Views: 6,694

Posted By ziad

Hi Bastian, Thanks for your reply. ...

Hi Bastian,

Thanks for your reply.

Running OpenFOAM 1.7.0 in parallel on 4 cores of a PhenomII machine. Total RAM available is 7.8GB, hence the memory concern.

The mesh is computed without...

Forum: OpenFOAM Meshing & Mesh Conversion

September 4, 2010, 12:11

Replies: 19

[snappyHexMesh] snappyHexMesh taking a lot of RAM

Views: 6,694

Posted By ziad

snappyHexMesh taking a lot of RAM

Hi all,

I wonder if anybody can comment on the RAM consumption of snappyHexMesh. I managed to create a starting mesh of about 620,000 cells and 905,000 points. Obviously a very moderate mesh size,...

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