dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Tue, Jun 03, 2008 at 11:06:16PM +0200, Evan Lezar wrote:
> Hi there
> 
> I have posted a couple of previous similar questions, but have had no
> response, so I thought I'd try again.
> 
> I am solving eigenvalue problems derived from Maxwell's equations
> using pydolfin (or trying to) making use of the edge-based Nedelec
> elements.  I am able to assemble the finite element matrices with no
> problem, but I am struggling to apply the Dirichlet boundary
> conditions on the mesh - basically I need to remove the rows and
> columns of the matrices associated with the edges (in 2D, faces in 3D)
> on the mesh boundary so that I can solve the resultant eigenvalue
> problem.
> 
> Any help in applying these boundary conditions would be much appreciated.
> 
> Thanks
> Evan

Can't you just use the DirichletBC class?

-- 
Anders