Fenics python中的网格生成

Question

I how can I generate the following mesh in Fenics. My domain is [-1,1]*[-1,1]. I tried the following

mesh = Rectangle(-1,-1,1,1)

but this doesn't work. Any help is appreciated. Thanks.

Answer 1

It is done with Points now:

from dolfin import*
mesh_density = 10   
p1 = Point(0,0)
p2 = Point(1,1)
mesh = RectangleMesh(p1,p2,mesh_density,mesh_density)

Assuming you use Fenics 1.6

Answer 2

You have to look for the command RectangleMesh :

enter link description here