[Gmsh] apply background mesh to non-planar surface

[Christophe Geuzaine]

> On 4 Jun 2017, at 20:06, Jin Yao <jinyao at outlook.com> wrote:
> 
> Hi experts, 
> 
> Is it feasible to generate background mesh to non-planar surface, such as the surface of a  sphere?
> 
> For planar surface, it is easy to generate a background mesh, which consists of scalar triangles. But for non-planar surface, the inner points of triangles are not on the surface even when the vertices of scalar triangles lie on the surface. 
> 
> Could anyone suggest a workaround if there's no direct solution? Thanks
> 

Put your background field on a 3 grid that covers your surface: Gmsh will happily interpolate the volume data on the non-planar surface.

> Yao
> Sent from my phone
> _______________________________________________
> 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

Free software: http://gmsh.info | http://getdp.info | http://onelab.info