[Gmsh] Surface embedded in volume

Mikhail Artemyev artemiev.mikhail at gmail.com
Mon Oct 13 16:21:39 CEST 2014


Attached is what I have. It looks conforming.
I use Gmsh 2.8.5 on Linux Mint. Meshing algorithms:
2D: Frontal
3D: Delaunay

Best,
Mikhail


On 10/13/2014 09:04 AM, Alessandro Vicini wrote:
> Take a look at the attached pictures. If I get it right, the faces of the 2D
> surface mesh should also be faces of 3d tetrahedrons, but it doesn't seem
> so...
>
> Alessandro
>
>
>
> -----Messaggio originale-----
> Da: Mikhail Artemyev [mailto:artemiev.mikhail at gmail.com]
> Inviato: lunedì 13 ottobre 2014 15.38
> A: Alessandro Vicini; gmsh at geuz.org
> Oggetto: Re: R: Surface embedded in volume
>
> It looks conforming for me. Why do you think it is not?
>
> Best,
> Mikhail
>
> On 10/13/2014 08:17 AM, Alessandro Vicini wrote:
>> Hullo Mikhail,
>>
>> you're right, there was a mistake in the example. But take the
>> attached geo file, now the surface is completely embedded, but still
>> the 3D mesh doesn't look conformal...
>>
>> Regards,
>>
>> Alessandro
>>
>>
>>
>> -----Messaggio originale-----
>> Da: Mikhail Artemyev [mailto:artemiev.mikhail at gmail.com]
>> Inviato: lunedì 13 ottobre 2014 15.12
>> A: gmsh at geuz.org; a.vicini at alta-space.com
>> Oggetto: Re: Surface embedded in volume
>>
>> Hi Alessandro,
>>
>> I think the reason why it doesn't work is because Surface In Volume
>> will work for surfaces which are totally inside a volume. Your surface
>> #30 is not, because of the lines #14 and #16 crossing surfaces #26 and
>> #22 of the volume. Therefore, try to embed those lines in the surfaces
> first:
>> Line {14} In Surface {26};
>> Line {16} In Surface {22};
>>
>> That seems to work.
>>
>> Best,
>> Mikhail
>>
>> On 10/11/2014 05:00 AM, gmsh-request at ace20.montefiore.ulg.ac.be wrote:
>>> With reference to the attached .geo file, I am trying to embed
>>> surface
>>> #30 in the volume so that the 3D mesh will conform to the 2d mesh of
>>> the surface. However, it doesn't seem to work. What am I doing wrong?
>> Thank you.
>>> Regards,
>>>
>>> Alessandro

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