Dear Jean-Paul,
I have not written all my boundary condition here to avoid having too long
post. You are right but in fact I do have the same boundry condition as -x
plain on -y and -z plains. So I think the problem is not because of ill-posed
bc.
Thanks
Hamed
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The deal.II project is loca
Dear Hamed,
>From the code you've provided you don't seem to impose a dirichlet boundary
condition on any "y" degree of freedom. You need to fix at least one degree
of freedom in each coordinate direction in order for your problem to have a
unique solution. In some cases the CG method can solve
