[Gmsh] Problem with recombine command

[=?windows-1252?Q?Jean-Fran=8D=E7ois_Remacle?=]

MGlocken at aol.com a écrit :
> Hi,
>  
> I have tried to mesh a cube (cube.geo) with recombined elements. But I 
> get an error. This is the log:

you can not use the tet mesher with quadrangular faces on the boundary

JFR

>  
> Info    : -------------------------------------------------------
> Info    : Gmsh version   : 2.2.0
> Info    : Build OS       : CYGWIN_NT-5.1-no-cygwin
> Info    : Build options  : GSL NETGEN TETGEN JPEG PNG ZLIB MATHEVAL 
> ANN OCC MED
> Info    : Build date     : Sat Apr 19 07:31:37 RDT 2008
> Info    : Build host     : winxp
> Info    : Packager       : Administrator
> Info    : Home directory : C:\DOKUME~1\MICHAE~1\LOKALE~1\Temp/
> Info    : Launch date    : Wed Oct 01 21:37:35 2008
> Info    : Command line   : C:\Dokumente und Einstellungen\Michael 
> Glockenmeier\Desktop\gmsh.exe
> Info    : -------------------------------------------------------
> Info    : Reading 'C:\DOKUME~1\MICHAE~1\LOKALE~1\Temp/untitled.geo'
> Info    : Read 'C:\DOKUME~1\MICHAE~1\LOKALE~1\Temp/untitled.geo'
> Info    : Reading 
> 'C:/Programme/FEM_GMSH/gmsh-2.2.0-Windows/demos/cube.geo'
> Info    : Read 'C:/Programme/FEM_GMSH/gmsh-2.2.0-Windows/demos/cube.geo'
> Info    : Recombine Surface {28,23,27,19,6,15};
> Info    : Meshing 1D...
> Info    : Meshing curve 1 (Line)
> Info    : Meshing curve 2 (Line)
> Info    : Meshing curve 3 (Line)
> Info    : Meshing curve 4 (Line)
> Info    : Meshing curve 8 (Line)
> Info    : Meshing curve 9 (Line)
> Info    : Meshing curve 10 (Line)
> Info    : Meshing curve 11 (Line)
> Info    : Meshing curve 13 (Line)
> Info    : Meshing curve 14 (Line)
> Info    : Meshing curve 18 (Line)
> Info    : Meshing curve 22 (Line)
> Info    : Mesh 1D complete (0 s)
> Info    : Mesh
> Info    : Meshing 2D...
> Info    : Meshing surface 6 (Plane, MeshAdapt+Delaunay)
> Info    : Recombining triangles for surface 6
> Info    : Meshing surface 15 (Ruled surface, MeshAdapt+Delaunay)
> Info    : Recombining triangles for surface 15
> Info    : Meshing surface 19 (Ruled surface, MeshAdapt+Delaunay)
> Info    : Recombining triangles for surface 19
> Info    : Meshing surface 23 (Ruled surface, MeshAdapt+Delaunay)
> Info    : Recombining triangles for surface 23
> Info    : Meshing surface 27 (Ruled surface, MeshAdapt+Delaunay)
> Info    : Recombining triangles for surface 27
> Info    : Meshing surface 28 (Plane, MeshAdapt+Delaunay)
> Info    : Recombining triangles for surface 28
> Info    : Mesh 2D complete (0.300432 s)
> Info    : Mesh
> Info    : Meshing 3D...
> Error   : Cannot tetrahedralize volume with quadrangles on boundary
> Info    : Mesh 3D complete (0 s)
> Info    : Mesh
> Info    : 264 vertices 412 elements
>  
> What is wrong?
>  
> Greetings,
>
>    Michael Glockenmeier
>
> ----------------------------------------------
> Fa. Michael Glockenmeier
> Dipl.-Ing. Michael Glockenmeier
> Hauptstr. 55 c
> D-86926 Greifenberg
> Germany
>
> Tel ++49 (0) 8192/933 185
> Fax ++49 (0) 8192/933 186
> Email mglocken at aol.com <mailto:mglocken at aol.com>_
> _
> Visit my site: www.femcfd.com <http://www.femcfd.com/>
>
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-- 
Prof. Jean-Francois Remacle
Universite catholique de Louvain (UCL)
DÈpartement d'Architecture, d'Urbanisme, et de GÈnie civil et environnemental
Ecole Polytechnique de Louvain (EPL) - Louvain School of Engineering
Tel : +32-10-472082 -- Mobile : +32-473-909930