[Gmsh] unstructured periodic surface

[Junting Chen]

Hello Christophe,

I guess I didn't explain my problem clearly.

I need to create conformal surfaces that every mesh node on one surface is
mirror-imaged onto the other, also I need to create refinement fields. I
find it impossible to be done with these two tasks together.

Junting Chen

On Tue, Jul 23, 2019 at 2:47 PM Christophe Geuzaine <cgeuzaine at uliege.be>
wrote:

>
> Hi Justin,
>
> See e.g.
> https://gitlab.onelab.info/gmsh/gmsh/blob/master/demos/boolean/periodic.geo
>
> Christophe
>
> > On 18 Jul 2019, at 17:20, Junting Chen <chen112p at uwindsor.ca> wrote:
> >
> > Hello all, this might be answered previously but i wasn't really able to
> find a good solution yet.
> >
> > I have created a bounding box and extracted my target geometry out by
> the boolean operation. The next step I want to do is to force the two side
> planes having the same mesh. I think I should use the periodic command but
> i can never make it work properly.
> >
> > Periodic Line{5} = {21} ;
> > Periodic Line{1} = {3} ;
> > Periodic Line{7} = {24} ;
> > Periodic Line{6} = {23} ;
> > Periodic Surface {5}= {6};
> >
> > I kept on getting error message like "Affine transformation requires at
> least 12 entries".
> >
> > I have attached my .geo file as well as the step file if anyone doesn't
> mind to do a brief run.
> >
> > Thanks a lot for your help!
> >
> > Junting Chen
> >
> <concaveTower.geo><concaveTower.stp>_______________________________________________
> > 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
>
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://onelab.info/pipermail/gmsh/attachments/20190724/680fb3fc/attachment.html>