[Gmsh] CFD mesh with prismatic boundary layer based on STL

[Johannes Dillinger]

Hi Christoph, Ruth,

thank you very much for your help, working now! What a great support:-)
Kind regards,

Johannes


2016-04-05 23:19 GMT+02:00 Christophe Geuzaine <cgeuzaine at ulg.ac.be>:

>
> Hi Johannes - Here's the corrected file.
>
>
>
>
> > On 05 Apr 2016, at 09:50, Johannes Dillinger <jojodillinger at gmail.com>
> wrote:
> >
> > Dear all,
> >
> > still didn't have any luck in meshing the STL with prismatic sublayer..
> > Either the tetrahedra mesh directly connects to the wing surface rather
> than to the prisms, or the tetrahedra are not generated at all due to
> intersection issues.
> > Maybe someone has another hint on how to modify Ruths file to make it
> work..
> > Thanks a lot in advance, kind regards,
> >
> > Johannes
> >
> >
> >
> >
> > 2016-04-02 2:35 GMT+02:00 Johannes Dillinger <jojodillinger at gmail.com>:
> > Dear Ruth,
> >
> > intermdeiate result:
> > I tried changing line 54 from
> >
> > slbndwing=newsl; Surface Loop(newsl) = 1;
> >
> > to
> >
> > slbndwing=newsl; Surface Loop(newsl) = num[0];
> >
> > but then a lot of warnings occur and no tetrahedra mesh outside the
> boundary layer is generated.. As I understand, num[0] is the outer surface
> of the boundary layer..
> >
> > Maybe you have another idea..:)
> > Kind regards,
> >
> > Johannes
> >
> >
> >
> >
> >
> >
> >
> > 2016-04-01 19:15 GMT+02:00 Johannes Dillinger <jojodillinger at gmail.com>:
> > Dear Ruth,
> > thanks a lot for the modification! There is is just one problem left,
> the tetrahedra mesh does not connect to the outer surface of the prism
> sublayer, but directly to the wing surface; the meshes intersect (see
> picture attached).
> > I got a similar result with Delauney-3D-meshing.
> > Do you have a hint on how to solve this?
> > Thank you so much again!!
> > Kind regards,
> > Johannes
> >
> >
> >
> >
> > 2016-04-01 11:59 GMT+02:00 Ruth Vazquez Sabariego <
> ruth.sabariego at esat.kuleuven.be>:
> > Hope the attached patched version of your file, does what you want.
> > There was a small problem with the surface loops.
> >
> > Regards,
> > Ruth
> >
> >
> >
> >
> >
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>
> --
> Prof. Christophe Geuzaine
> University of Liege, Electrical Engineering and Computer Science
> http://www.montefiore.ulg.ac.be/~geuzaine
>
> Tetrahedron V, July 4-5 2016: http://tetrahedron.montefiore.ulg.ac.be
> Free software: http://gmsh.info | http://getdp.info | http://onelab.info
>
>
>
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