[Gmsh] API define periodic line

[Christophe Geuzaine]

Hi Arthur,

Indeed it's currently missing from the API - we'll add it soon.

Christophe

> On 25 Apr 2018, at 13:12, Artur Palha <artur.palha at gmail.com> wrote:
> 
> Dear Benedikt,
> 
> Thank you for your reply. Unfortunately I am unable to understand exactly what you mean by that. Roughly I think that you define the periodic surface 2 (for example) to be the translation along [400,0,0] of the surface 1. Still you make use of the Periodic Surface call. My problem is that I am unable to find an equivalent function to Periodic Surface in the API of gmsh. 
> 
> To make it clearer: What is the equivalent code using the API of gmsh that implements:
> 
> Periodic Line{mySlaveLine} = {myMasterLine};
> 
> Once again thank you for your help.
> 
> -artur palha
> 
> 
> On Wed, Apr 25, 2018 at 12:07 PM, Benedikt Oswald <benedikt.oswald at lspr.swiss <mailto:benedikt.oswald at lspr.swiss>> wrote:
> Dear Artur, what you can do is something along these lines:
> 
> // constrain the boundary surfaces to conformal discretization
> 
> // x
> Periodic Surface {2} = {1} Translate {400,0,0};        // ex
> 
> // y
> Periodic Surface {4} = {3} Translate {0,300,0};        // ey
> 
> // z - floor and roof
> Periodic Surface {6} = {5} Translate {0,0,150};        // ez
> 
> in fact, you need to know the id of the geometrical entity (surface)
> 
> and transfer it by the requested amount.
> 
> Greeetings, Benedikt
> 
> 
> 
> 
> Am 25.04.18 um 12:02 schrieb Artur Palha:
> > Dear All,
> >
> > I am trying to use gmsh's API. I can successfully use it to setup my
> > geometry and generate the mesh. The only issue I am having is that I
> > cannot find the function (both in Python and C++) to define Periodic
> > Lines (or Periodic Surfaces). Does anyone know this?
> >
> > Thank you.
> >
> > -artur palha 
> >
> >
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> -- 
> ----------------------------------------------------------------------------------------------------------------------
> Dr. sc. techn. Benedikt Oswald - first engineer - LSPR AG - phone +41 43 366 90 74
> Grubenstrasse 9, CH-8045 Zürich, benedikt.oswald at lspr.swiss
> ----------------------------------------------------------------------------------------------------------------------
> 
> 
> 
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