[Gmsh] File formats

Billy Araujo billyaraujo at gmail.com
Wed Apr 8 12:05:08 CEST 2009


Does this mean there will be local mesh refinement capability in Gmsh?

Billy.

On Wed, Apr 8, 2009 at 10:54 AM, Jean-Francois Remacle
<jean-francois.remacle at uclouvain.be> wrote:
>
> Le 08-avr.-09 à 11:29, dolfyn a écrit :
>
>> Thank you Christophe!
>>
>>> you can just put your $NodeData, $ElementData, etc. in
>>> separate files, and merge them along with the original mesh :
>>>
>> ahhh thanks!
>>
>>> gmsh mymesh.msh res1.msh res2.msh res3.msh
>>>
>> this means (for me) an option: either to write out in *.msh all data
>> OR creating a map (by gmsh2dolfyn: gmsh 3D elements <-> dolfyn
>> cells, gmsh 2D named(!) elements <-> dolfyn boundaries). Using the
>> map the default boundaries (region 0, when present) will not appear
>> in the *.msh file.
>>
>> splitting the results will mean something like (the method of
>> keeping the basename and extended extentions; great idea too for
>> unsteady results!):
>>
>> gmsh mymesh.msh mymesh_uvw.msh mymesh_p.msh mymesh_k.msh
>>
>> (better this method than using View[i].Visible=0 which means one
>> still creates the data set)
>>
>> Instead of the background mesh; is it possible to ask Gmsh to refine
>> certain specific cells? Sent to Gmsh for example by a list?
>> The 'injection' of the 'current result' as the starting guess for
>> the 'new mesh' would be simple then (only the refined
>> elements/cells did change).
>>
>
> This feature will be available shortly in gmsh, using the MadLib (www.madlib.be
> ).
> This library enables to adapt an existing mesh using local mesh
> modification. It uses
> gmsh solid model for snapping new vertices on the real geometry.  It
> also
> enables several levels of control on the adaptation process (atomic
> local mesh
> modifications (swap, collapses, split), global adaptation,...)
>
> A direct plugin of madlib into gmsh will be soon available.
>
> JFR
>
>
>> Henk
>>
>>
>>
>>
>>
>> _______________________________________________
>> gmsh mailing list
>> gmsh at geuz.org
>> http://www.geuz.org/mailman/listinfo/gmsh
>
> ----------------
> Prof. Jean-Francois Remacle
> Universite catholique de Louvain (UCL)
> Tel : +32-10-472082 -- Mobile : +32-473-909930
>
>
>
>
>
> _______________________________________________
> gmsh mailing list
> gmsh at geuz.org
> http://www.geuz.org/mailman/listinfo/gmsh
>