[Gmsh] Error Remeshing STL to Generate QUADs/HEXAs

[Ted Kord]

Thanks David. The remeshing worked but there were still a few
triangles/tetras. How do I convert these to quads/hexas?

Ted


On 27 November 2010 13:51, David Colignon <David.Colignon at ulg.ac.be> wrote:

> Hi,
>
> read carefully the output:
>
> ...
> ...
>
>  Info    : Done creating topology from mesh (0.799456 s)
>  Error   : 'Offset_mesh.geo', line 9 : syntax error (Recombine)
> ...
> ...
>
>
> you forgot the ";" after Mesh.RemeshAlgorithm=1
> so you get a syntax error on the next line: Recombine...
>
> Regards,
>
> Dave
>
> --
> David Colignon, Ph.D.
> Collaborateur Logistique du F.R.S.-FNRS
> CÉCI - Consortium des Équipements de Calcul Intensif
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>
> On 26/11/10 23:06, Ted Kord wrote:
>
>> I tried used the following geo file to remesh my STL file using
>> quads/hexas:
>>
>> Mesh.CharacteristicLengthFactor=0.25;
>> Merge "mesh.stl";
>> CreateTopology;
>>
>> Compound Surface(200)={1};
>>
>> Mesh.RemeshAlgorithm=1
>>
>> Recombine Surface {200};
>> Physical Surface("newSurfaceMesh")={200};
>>
>> but I get this error even after adding 'Mesh.RemeshAlgorithm=1':
>>
>> ./gmsh Offset_mesh.geo -3
>> Info    : Running './gmsh Offset_mesh.geo -3' [1 node(s), max. 1
>> thread(s)]
>> Info    : Started on Fri Nov 26 21:53:02 2010
>> Info    : Reading 'Offset_mesh.geo'...
>> Info    : Reading 'mesh.stl'...
>> Info    : 68764 facets in solid 0
>> Info    : Done reading 'mesh.stl'
>> Info    : Creating topology from mesh...
>> Info    : Removing duplicate mesh vertices...
>> Info    : No duplicate vertices found
>> Info    : Done creating topology from mesh (0.799456 s)
>> Error   : 'Offset_mesh.geo', line 9 : syntax error (Recombine)
>> Info    : Done reading 'Offset_mesh.geo'
>> Info    : Meshing 1D...
>> Info    : Done meshing 1D (0 s)
>> Info    : Meshing 2D...
>> Info    : Meshing surface 200 (Compound surface, MeshAdapt)
>> Warning : Wrong topology: Genus=1, Nb boundaries=0, AR=1
>> Error   : For remeshing your geometry, you should enable the automatic
>> remeshing algorithm.
>> Error   : Add 'Mesh.RemeshAlgorithm=1;' in your geo file or through the
>> Fltk window
>>
>>
>> Ted
>>
>>
>>
>>
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>
>
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