dolfin team mailing list archive

["Garth N. Wells" <gnw20@xxxxxxxxx>]

kent-and@xxxxxxxxx wrote:
> > kent-and@xxxxxxxxx wrote:
> > > > Can Assembler::assemble_system be easily generalised to an Array of
> > > > DirichletBC,
> > > >
> > > >    Array<DirichletBC*> bcs
> > > >
> > > > so that vector equations can be handled?
> > > >
> > > > Garth
> > > Good point, I'll have a look.
> > OK, I'm taking a look at the moment with a view to generalising
> > Assembler::assemble_system for nonlinear problems (Newton solve).
> >
> > Garth
>
> OK, in the present implementation, the matrix does not have 1 on the diagonal
> associated with bcs. It will be 1 times the number of elements (or faces)
> associated
> with it.

Shouldn't cause any problems for incremental problems.

Garth

> This weighting can be stored but it is not presently done.
>
> Kent