[Gmsh] Problem creating surface

[Maik Hoffmann]

I, imported the step-file and tried to mesh ist.
The import of the geometry works nearly fine.
All needed points and lines are there, but if I try to crate a surface 
from the small pipe in my example it creates no/wrong surface.

What are the steps to create a surface from the thre nurbs and one line 
to get the surface of the pipe wall?


Am 21.05.2015 um 20:21 schrieb Christophe Geuzaine:
>
>> On 20 May 2015, at 10:26, Maik Hoffmann <maik.hoffmann at b-tu.de> wrote:
>>
>> Hello,
>> I need a mesh for BEM analysis. I created the part with with FreeCad (cad.png) and imported the step-file into Gmsh. That works fine. Some surfaces were already created. Now I tried to create the surface for the small tube, but I got only the surface of the opening of the tube not for the wall (mesh.png).
>>
>> What have I to do for it. I choose 'Add/Ruled Surface' and selected the nurbs and the line between them.
>>
>
> You cannot export your .step file as a .geo file: Gmsh should mesh the .step file directly - see previous messages on the list for more detailed information.
>
>> Thanks
>> Maik
>>
>> --
>> wissenschaftlicher Mitarbeiter
>> Lehrstuhl Allgemeine Elektrotechnik und Messtechnik (AEMT)
>> Fakultät Maschinenbau, Elektrotechnik und Wirtschaftsingenieurwesen
>> Brandenburgische Technische Universität Cottbus
>> Siemens-Halske-Ring 14
>> D-03046 Cottbus
>>
>> Tel.: +49-355-69-3425
>> Fax:  +49-355-69-4104
>>
>> http://www.tu-cottbus.de/fakultaet3/de/elektrotechnik-messtechnik/
>> <mesh.png><cad.png><pipesection4.geo>_______________________________________________
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>


-- 
wissenschaftlicher Mitarbeiter
Lehrstuhl Allgemeine Elektrotechnik und Messtechnik (AEMT)
Fakultät Maschinenbau, Elektrotechnik und Wirtschaftsingenieurwesen
Brandenburgische Technische Universität Cottbus
Siemens-Halske-Ring 14
D-03046 Cottbus

Tel.: +49-355-69-3425
Fax:  +49-355-69-4104

http://www.tu-cottbus.de/fakultaet3/de/elektrotechnik-messtechnik/