Hi Julien,
I am having a similar problem. My goal is to create a boundary layer of hexahedrals on an airfoil (Success!), then the fill the farfield with tetrahedrals ( mesh is psudo2D; image attached). I was not able to figure out a method to utilize an existing mesh to direct the formation of another. My cfd tutor/professor said that this is a common application and recommended that I locate a "mesh joining command", but I have had no luck. I speculate the desired utility would either convert such a mesh boundary to geometry, utilize it as if it were geometry, or let you set a Master/Slave configuration for duplicate meshing schemes within the same volume. For my application; It would be workable if the boundary layer simply extruded geometry entities instead of mesh entities. I will let you know if I make any progress, Eric Nutsch On Thu, Feb 18, 2010 at 11:32 AM, julien hoessler <[email protected]> wrote: > Good afternoon, > I am trying to generate an hybrid mesh with a layer of prisms on a wall (one > of the faces). I can find out using visibility/tree browser the id of the > surfaces/lines generated by extrusion. Now I need to set up the faces on the > borders of my domain that go between the edges of the extrusion and the > opposite edges(the face on the foreground on the picture attached), but I > can't use the extruded lines (cannot be selected). It makes sense since they > are mesh lines rather than geometry lines, but is there any way to convert > them into geometry lines? I could translate the lines but I'm using the > extrude command to generate the prisms and the extrusion is normal to the > surface so it won't match. I'm attaching a png image showing the lines of my > extruded layer and the lines defining the remaining of the box. And if I set > the lateral faces using the lines of the surface to be extruded, I obviously > get to superposed meshes, 4 layers of quads and triangles connected to the > same nodes > Best regards > Julien > > > Julien Hoessler > PhD Student > Department of Aeronautics > Imperial College London > > Phone: +44 (0) 20759 45042 > Email: [email protected] > > > _______________________________________________ > gmsh mailing list > [email protected] > http://www.geuz.org/mailman/listinfo/gmsh > >
<<attachment: airfoilBL2.png>>
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