dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Mon, Apr 30, 2007 at 09:07:34AM +0200, Johan Hoffman wrote:
> > Take a look at the demo src/demo/pde/stokes/taylor-hood/.
> > It demonstrates the new DOLFIN PDE solver interface, in particular
> > the use of sub domain markers for specifying boundary conditions on
> > parts of the boundary, setting boundary conditions for sub systems and
> > extracting the function representations of the solutions for sub
> > systems.
> >
> > Compared to DOLFIN v 0.6.4, there are a couple of new concepts:
> >
> >   - MeshFunction<uint> for specifying sub domains
> >   - SubSystem for specifying sub systems
> >   - Specifying boundary conditions as function + sub domain + sub system
> >
> > Does the new interface make sense? Could it be improved?
> >
> > Hopefully, we can settle on a fixed interface for mesh, assembly,
> > linear algebra, bcs, i/o in DOLFIN, so now's the time to comment.
> >
> > /Anders
> 
> I think it looks good. Intuitive and clean.
> 
> The definition of the SubSystem's: does it follow directly from the mixed
> spaces in the .form-file?
> 
> /Johan

Yes.

/Anders