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Forum: OpenFOAM Meshing & Mesh Conversion

April 18, 2019, 12:35

Replies: 8

[snappyHexMesh] Problem with sHM addLayer

Views: 1,690

Posted By hokhay

You can use checkMesh to see the mesh number. 10M...

You can use checkMesh to see the mesh number. 10M cells are probably to much for your CPU but 10 hours of meshing still sound too long time. Are you running in parallel?

Forum: OpenFOAM Meshing & Mesh Conversion

April 18, 2019, 06:47

Replies: 8

[snappyHexMesh] Problem with sHM addLayer

Views: 1,690

Posted By hokhay

It's a complicated question, it is not hard to...

It's a complicated question, it is not hard to generate the mesh but it is hard to generate boundary layer on the whole surface, basically it is impossible. Usually i look for 80% surface converage...

Forum: OpenFOAM Meshing & Mesh Conversion

April 17, 2019, 11:51

Replies: 8

[snappyHexMesh] Problem with sHM addLayer

Views: 1,690

Posted By hokhay

Yes, the mesh quality must be good before...

Yes, the mesh quality must be good before boundary layer mesh generated. The size of the surface mesh and the boundary layer mesh has a "magic" ratio, you need to try and error. Let's say your...

Forum: OpenFOAM Meshing & Mesh Conversion

April 17, 2019, 04:03

Replies: 8

[snappyHexMesh] Problem with sHM addLayer

Views: 1,690

Posted By hokhay

First of all, SHM does not usually generate 100%...

First of all, SHM does not usually generate 100% boundary layer mesh because it is depending on the mesh quality that it generates. If the SHM finds that the layer mesh is poor in quality, it will...

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