On 08/07/10 16:05, Jan Schmitz wrote:
Thank you, David.
That solved the problem.
Can I also uncheck those options when I run gmsh from the command line without
GUI? How?
yes, with
gmsh Sphere_1.brep -string
"Geometry.OCCFixSmallEdges=0;Geometry.OCCFixSmallFaces=0;"
Dave
Thanks
Jan
------------------------------------------------------------------------------------------------------------------------
*From:* David Colignon <[email protected]>
*To:* Jan Schmitz <[email protected]>
*Cc:* Jean-Francois Remacle <[email protected]>; [email protected]
*Sent:* Thu, July 8, 2010 3:57:13 PM
*Subject:* Re: [Gmsh] sphere created in Salome produces empty mesh
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
--
David Colignon, Ph.D.
Collaborateur Logistique du F.R.S.-FNRS
CÉCI - Consortium des Équipements de Calcul Intensif
ACE - Applied & Computational Electromagnetics
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Université de Liège
4000 Liège - BELGIQUE
Tél: +32 (0)4 366 37 32
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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 <[email protected]
<mailto:[email protected]>>
> *To:* Jan Schmitz <[email protected] <mailto:[email protected]>>
> *Cc:* [email protected] <mailto:[email protected]>
> *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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<mailto:[email protected]>>
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