[Gmsh] Weird behavior

[Christophe Geuzaine]

Renato Fernandes Cantco wrote:
> 
> Hi!
> 
> I've made a lot of different meshes with gmsh, but I always execute my
> tests with a very simple mesh, obtained from a 1x1 square. The input
> file is the following:
> 
> pq = 0.15;
> Point(1) = {0,0,0,pq};
> Point(2) = {1,0,0,pq};
> Point(3) = {1,1,0,pq};
> Point(4) = {0,1,0,pq};
> Line(1) = {1,2};
> Line(2) = {2,3};
> Line(3) = {3,4};
> Line(4) = {4,1};
> Line Loop(5) = {3,4,1,2};
> Plane Surface(6) = {5};
> 
> Well, in my home machine, it gives 80 elements. In my workplace machine,
> it gives me 14 elements and complains about Degenerated simplex. 

Very strange. What happens if you set pq=0.16? Have you tried
"Options->Mesh->2D->New isotropic algorithm"?

Christophe

-- 
Christophe Geuzaine

Tel: (626) 395-4552    http://www.geuz.org
Fax: (626) 578-0124    mailto:geuzaine at acm.caltech.edu