On 12/10/2015 11:41 AM, Francesca Camorrino wrote:
I'm trying to solve Poisson equation with Sfepy in a very simple domain,
but I found some problem:
1) I need triangular mesh on a rectangular/square domain
For this, you can try gmsh. Why do you need triangles, by the way?
2) I have null von neumann conditions ( and I omitted
them in boundary
condition) like in the
3)I know that this problem have many convergence
problem, in one of this
case is the simulation successful? Or I find some error?
You fix the potential in some, so it should work fine.
But your definition for region 'p' selects nothing for the mesh you generate -
'p' : ('vertices in (x <= 0.99951 )', 'vertex'),
Always verify your regions using --save-regions-as-groups option:
./simple.py prob_desc_file.py --save-regions-as-groups
- then check the 0_regions.vtk file using postproc.py.
I don't know because the simulation is successful
but in the postprocessing
the result isn't correct
I attach the problem description file too. If you want I would like some
advice about my problem
When I run your code, it does not do anything, because there is no load - maybe
some right-hand side term is missing? Or provide a Dirichlet BC also in the
region 'n' (again, fix the region definition).
PS: I missed your message, so my reply is late.