[Gmsh] unstructured periodic surface

[Junting Chen]

Here it is, Christophe.

if i comment out lines between 40 and 47, which is the refinement field,
two surfaces (periodic_0_l and periodic_0_r) will be conformal.

Best regards,

Junting Chen





On Thu, Jul 25, 2019 at 8:30 AM Christophe Geuzaine <cgeuzaine at uliege.be>
wrote:

>
>
> > On 24 Jul 2019, at 23:15, Junting Chen <chen112p at uwindsor.ca> wrote:
> >
> > 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.
> >
>
> Send the smallest possible example that exhibits the issue so we can have
> a look.
>
> Christophe
>
> > 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
> >
> >
> >
> > _______________________________________________
> > 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
>
>
>
>
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