[Gmsh] Connecting structured to unstructured meshed volumes in 3D

[Octavio Castillo Reyes]

Thank you! Is working.

Best regards

O.

On Tue, Mar 10, 2020 at 1:17 PM Christophe Geuzaine <cgeuzaine at uliege.be>
wrote:

>
>
> > On 10 Mar 2020, at 12:26, Octavio Castillo Reyes <
> ocastilloreyes at gmail.com> wrote:
> >
> > Thank you for your clarification. Now is working!
> >
> > In addition, it is possible use only tetrahedral elements to reproduce
> this kind of mesh?
> >
>
> Sure, just remove "Recombine".
>
> Christophe
>
>
> >
> > Best regards
> >
> > O.
> >
> > Sent from my Samsung Galaxy smartphone.
> >
> > On Tue, 10 Mar 2020, 12:19 Christophe Geuzaine, <cgeuzaine at uliege.be>
> wrote:
> >
> >
> > > On 10 Mar 2020, at 09:01, Octavio Castillo Reyes <
> ocastilloreyes at gmail.com> wrote:
> > >
> > > Dear Prof. Ghristophhe,
> > >
> > > the error log (including gmsh version) is attached to this email.
> > >
> >
> > The error
> >
> >    Error   : Singular value decomposition requires LAPACK
> >
> > means that your version of Gmsh (that you recompiled from source?) does
> not include LAPACK. This is necessary for mesh generation.
> >
> > Try the binary versions from the website. I also advise using a more
> recent version.
> >
> > Christophe
> >
> >
> > > Best regards
> > >
> > > O.
> > >
> > > On Sun, Mar 8, 2020 at 8:40 PM Christophe Geuzaine <
> cgeuzaine at uliege.be> wrote:
> > >
> > >
> > > > On 5 Mar 2020, at 09:32, Octavio Castillo Reyes <
> ocastilloreyes at gmail.com> wrote:
> > > >
> > > > Prof. Ghristophhe, thank you for your tip!
> > > >
> > > > Right now I have tried it but I have obtained the following errors:
> > > >
> > >
> > > Which version of Gmsh? It should work as-is with recent versions.
> > >
> > > Christophe
> > >
> > > > Error   : No elements in region 2
> > > > Info    : Done meshing 3D (0.005192 s)
> > > > Info    : Optimizing 3D mesh...
> > > > Info    : Optimizing volume 2
> > > > Info    : Done optimizing 3D mesh (0.00019 s)
> > > > Info    : 537 vertices 1236 elements
> > > > Error   : ------------------------------
> > > > Error   : Mesh generation error summary
> > > > Error   :   104 warnings
> > > > Error   :   105 errors
> > > > Error   : Check the full log for details
> > > > Error   : ------------------------------
> > > >
> > > > In any case, this idea is very good. In spite of this, I would like
> to know if it is possible to replicate this case only with tetrahedra, in
> this way I can avoid using different base functions in my finite element
> code.
> > > >
> > > > Best regards
> > > >
> > > > O.
> > > >
> > > > On Thu, Mar 5, 2020 at 9:19 AM Christophe Geuzaine <
> cgeuzaine at uliege.be> wrote:
> > > >
> > > >
> > > > > On 3 Mar 2020, at 13:45, Octavio Castillo Reyes <
> ocastilloreyes at gmail.com> wrote:
> > > > >
> > > > > Dear gmsh developers,
> > > > >
> > > > > I would like to know if it is possible build a tetrahedral mesh
> with following features:
> > > > >
> > > > > - structured tetrahedral  elements on boundaries
> > > > > - unstructured tetrahedral elements inside the domain
> > > > >
> > > > > Could you give some tips/ideas to build this kind of mesh (if
> possible).
> > > > >
> > > >
> > > > I will be done automatically (with a pyramid layer to connect both).
> Here's an example:
> > > >
> > > >
> https://gitlab.onelab.info/gmsh/gmsh/-/blob/master/benchmarks/extrude/hybrid_pyramids.geo
> > > >
> > > > Christophe
> > > >
> > > >
> > > >
> > > > > Best regards
> > > > >
> > > > > O.
> > > > >
> > > > > _______________________________________________
> > > > > 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
> > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > 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
> > >
> > >
> > >
> > > <hybrid_pyramids.err>
> >
> > —
> > Prof. Christophe Geuzaine
> > University of Liege, Electrical Engineering and Computer Science
> > http://www.montefiore.ulg.ac.be/~geuzaine
> >
> >
> >
>
> —
> Prof. Christophe Geuzaine
> University of Liege, Electrical Engineering and Computer Science
> http://www.montefiore.ulg.ac.be/~geuzaine
>
>
>
>
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