[Gmsh] question about python api

[Frederic Dubois]

Hi,

You are right gmsh.fltk.run()is my problem ; I thought that once you close the graphical interface it finishes the script ...

Regards

----- Mail original -----
> De: "Christophe Geuzaine" <cgeuzaine at uliege.be>
> À: "Frederic Dubois" <frederic.dubois at umontpellier.fr>
> Cc: "gmsh" <gmsh at onelab.info>
> Envoyé: Vendredi 29 Novembre 2019 09:39:38
> Objet: Re: [Gmsh] question about python api

>> On 29 Nov 2019, at 09:06, Frederic Dubois <frederic.dubois at umontpellier.fr>
>> wrote:
>> 
>> Hi Christophe,
>> 
>> In fact I did things in the "complicated" way to be able to recover the 2D
>> elements on the skin of the grains.
>> 
>> Using fragments, these elements are not created or saved even if I create a 2D
>> physical group (here "itz".
>> 
> 
> Works fine here. (Maybe you left gmsh.fltk.run() in the script? Saving the mesh
> happens afterwards...)
> 
> Christophe
> 
>> Using the "complicated" way, how can I remove the duplicated nodes (like using
>> coherence in .geo file) ?
>> I tried to do this by fusing the two meshes but I am not confident in the
>> result.
>> 
>> Regards
>> 
>> ----- Mail original -----
>>> De: "Christophe Geuzaine" <cgeuzaine at uliege.be>
>>> À: "Frederic Dubois" <frederic.dubois at umontpellier.fr>
>>> Cc: "gmsh" <gmsh at onelab.info>
>>> Envoyé: Jeudi 28 Novembre 2019 23:12:28
>>> Objet: Re: [Gmsh] question about python api
>> 
>>>> On 28 Nov 2019, at 22:42, Frederic Dubois <frederic.dubois at umontpellier.fr>
>>>> wrote:
>>>> 
>>>> Hi Christophe,
>>>> 
>>>> You are right, this is the best way.
>>>> 
>>>> Can you comment this ?
>>>> f.remove(sphere1)
>>>> f.remove(sphere2)
>>> 
>>> Fragment tries hard to keep intact the tags of those entities that have not been
>>> modified, here the two spheres. So I remove these two from the list of returned
>>> entities, which gives me the remaining (new) volume - the paste.
>>> 
>>> Christophe
>>> 
>>> 
>>>> 
>>>> Regards
>>>> 
>>>> ----- Mail original -----
>>>>> De: "Christophe Geuzaine" <cgeuzaine at uliege.be>
>>>>> À: "Frederic Dubois" <frederic.dubois at umontpellier.fr>
>>>>> Cc: "gmsh" <gmsh at onelab.info>
>>>>> Envoyé: Jeudi 28 Novembre 2019 21:31:12
>>>>> Objet: Re: [Gmsh] question about python api
>>>> 
>>>>>> On 28 Nov 2019, at 20:06, Frederic Dubois <frederic.dubois at umontpellier.fr>
>>>>>> wrote:
>>>>>> 
>>>>>> Dear all,
>>>>>> 
>>>>>> I am trying to mesh a composite material made of paste and grains.
>>>>>> Since I have to do some Boolean operation on a 3D volume of composite I tried to
>>>>>> use the occ factory.
>>>>>> At the end of the day I need a continuous mesh where paste elements of the mesh
>>>>>> belong to a paste physical group and grains elements belong to an other
>>>>>> physical group.
>>>>>> 
>>>>>> In the attached script I first create a cylinder and two grains.
>>>>>> Using a cut I was able to obtain a mesh with all the elements belonging to the
>>>>>> paste.
>>>>>> Using a fuse I was able to obtain a mesh with all the elements belonging to the
>>>>>> grains.
>>>>>> Unfortunately, it seems that the two meshes are separated.
>>>>>> 
>>>>>> I tried to fuse them to obtain a continuous mesh but I am not sure it works fine
>>>>>> and that it is the proper method.
>>>>>> 
>>>>>> Any advice ?
>>>>> 
>>>>> Simpler to use fragments:
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> Christophe
>>>>> 
>>>>> 
>>>>>> 
>>>>>> Regards
>>>>>> 
>>>>>> --
>>>>>> Frédéric Dubois, PhD, Eng.
>>>>>> ---
>>>>>> Directeur adjoint du LMGC.
>>>>>> Laboratoire de Mécanique et Génie Civil - CNRS/UM
>>>>>> cc 048, 163 rue Auguste Broussonnet, 34090 Montpellier
>>>>>> http://www.lmgc.univ-montp2.fr/~dubois
>>>>>> Tel: 33/0 467144984
>>>>>> Mobile: 33/0 635490843
>>>>>> <composite.py>_______________________________________________
>>>>>> gmsh mailing list
>>>>>> gmsh at onelab.info
>>>>>> http://onelab.info/mailman/listinfo/gmsh
>>>>> 
>>>>> —
>>>>> Prof. Christophe Geuzaine
>>>>> University of Liege, Electrical Engineering and Computer Science
>>>>> http://www.montefiore.ulg.ac.be/~geuzaine
>>>> 
>>>> --
>>>> Frédéric Dubois, PhD, Eng.
>>>> ---
>>>> Directeur adjoint du LMGC.
>>>> Laboratoire de Mécanique et Génie Civil - CNRS/UM
>>>> cc 048, 163 rue Auguste Broussonnet, 34090 Montpellier
>>>> http://www.lmgc.univ-montp2.fr/~dubois
>>>> Tel: 33/0 467144984
>>>> Mobile: 33/0 635490843
>>> 
>>> —
>>> Prof. Christophe Geuzaine
>>> University of Liege, Electrical Engineering and Computer Science
>>> http://www.montefiore.ulg.ac.be/~geuzaine
>> 
>> --
>> Frédéric Dubois, PhD, Eng.
>> ---
>> Directeur adjoint du LMGC.
>> Laboratoire de Mécanique et Génie Civil - CNRS/UM
>> cc 048, 163 rue Auguste Broussonnet, 34090 Montpellier
>> http://www.lmgc.univ-montp2.fr/~dubois
>> Tel: 33/0 467144984
>> Mobile: 33/0 635490843
>> <composite.py><composite_simpler.py>
> 
> —
> Prof. Christophe Geuzaine
> University of Liege, Electrical Engineering and Computer Science
> http://www.montefiore.ulg.ac.be/~geuzaine

-- 
Frédéric Dubois, PhD, Eng.
---
Directeur adjoint du LMGC.
Laboratoire de Mécanique et Génie Civil - CNRS/UM
cc 048, 163 rue Auguste Broussonnet, 34090 Montpellier
http://www.lmgc.univ-montp2.fr/~dubois
Tel: 33/0 467144984
Mobile: 33/0 635490843