[Gmsh] sphere created in Salome produces empty mesh

[David Colignon]

Hi Jan,

your sphere is so small that it has been automatically removed...

Go to Tools->Options->Geometry->General and uncheck "Remove small edeges in OCC models" and "Remove small faces in..."

Regards,

Dave


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David Colignon, Ph.D.
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On 08/07/10 15:25, Jan Schmitz wrote:
> Thank you for the reply. I attach the Sphere_1.brep file.
>
> You should be able to create the same brep, if you start Salome 5.1.3, create a sphere primitive and export the sphere
> as brep.
>
> Thanks
> Jan
>
> ------------------------------------------------------------------------------------------------------------------------
> *From:* Jean-Francois Remacle <jean-francois.remacle at uclouvain.be>
> *To:* Jan Schmitz <schmitz_j at ymail.com>
> *Cc:* gmsh at geuz.org
> *Sent:* Thu, July 8, 2010 3:11:38 PM
> *Subject:* Re: [Gmsh] sphere created in Salome produces empty mesh
>
> can you send us the brep ?
> Le 08-juil.-10 à 12:36, Jan Schmitz a écrit :
>
>> Dear all,
>> I am trying to mesh a sphere that I have created in Salome and saved in either BREP,STL,STEP or IGES format.
>>
>> Opening any of those geometries in Gmsh shows nothing, except for the STL format which shows a surface triangular
>> representation of the sphere. Is this expected behaviour?
>>
>> Running any of these commands produces empty meshes or error messages:
>> gmsh -3 Sphere_1.brep
>> gmsh -3 Sphere_1.stl
>> gmsh -3 Sphere_1.step
>> gmsh -3 Sphere_1.iges
>>
>> Is the reason that a sphere has no edges? If yes, what steps are required to save geometries with spherical boundaries
>> in Salome and to create a 3D tetrahedral mesh for them using Gmsh?
>>
>> Btw, creating a Box in Salome and have Gmsh create a 3D mesh for this box works fine.
>>
>> Thanks
>> Jan
>>
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>> gmsh at geuz.org <mailto:gmsh at geuz.org>
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>
> ------------------------------------------------------------------
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