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May 12, 2006, 13:14 |
Undefined faces in mesh
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#1 |
New Member
Giuseppe Noviello
Join Date: Mar 2009
Location: Palese bari
Posts: 19
Rep Power: 17 |
Hi to all
I've made a simple case (cube) using GMSH, so when I use gmshToFoam to convert it I've this : Exec : gmshToFoam /home/giuseppe/OpenFOAM/giuseppe-1.3/run/tutorials/potentialFoam cubo aaaa.msh Date : May 12 2006 Time : 18:17:59 Host : linux PID : 8374 Root : /home/giuseppe/OpenFOAM/giuseppe-1.3/run/tutorials/potentialFoam Case : cubo Nprocs : 1 Create time Read nVerts:865 Read nElems:4928 Mapping region 6 to Foam patch 0 Mapping region 15 to Foam patch 1 Mapping region 19 to Foam patch 2 Mapping region 23 to Foam patch 3 Mapping region 27 to Foam patch 4 Mapping region 28 to Foam patch 5 Mapping region 1 to Foam cellZone 0 Cells: total:4016 hex :0 prism:0 pyr :0 tet :4016 Patches: Patch Size 0 228 1 94 2 94 3 94 4 86 5 228 CellZones: Zone Size 0 4016 --> FOAM Warning : From function polyMesh::polyMesh(... construct from shapes...) in file meshes/polyMesh/polyMeshFromShapeMesh.C at line 573 Found 824 undefined faces in mesh; adding to default patch. Finding faces of patch 0 Finding faces of patch 1 Finding faces of patch 2 Finding faces of patch 3 Finding faces of patch 4 Finding faces of patch 5 FaceZones: Zone Size Writing zone 0 to cellZone cellZone_0 and cellSet End I'm doing somethings of wrong? Thanks in advantage Giuseppe |
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May 13, 2006, 07:57 |
Not necessarily wrong. What t
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#2 |
Senior Member
Hrvoje Jasak
Join Date: Mar 2009
Location: London, England
Posts: 1,907
Rep Power: 33 |
Not necessarily wrong. What this says is that OpenFOAM has found 824 faces external to your geometry that did not have a boundary condition associated with them and it has collected them together in a patch.
If you think you have defined boundary types on the complete external surface of the model, there is a reason to worry; otherwise, just have a look at the default patch and see if it looks OK or not. Enjoy, Hrv
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Hrvoje Jasak Providing commercial FOAM/OpenFOAM and CFD Consulting: http://wikki.co.uk |
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