dolfin team mailing list archive

[Johan Hake <johan.hake@xxxxxxxxx>]

On Wednesday February 16 2011 08:48:38 Anders Logg wrote:
> Question #145534 on DOLFIN changed:
> https://answers.launchpad.net/dolfin/+question/145534
> 
>     Status: Open => Answered
> 
> Anders Logg proposed the following answer:
> 
> On Tue, Feb 15, 2011 at 10:30:06PM -0000, Yi Jiang wrote:
> > New question #145534 on DOLFIN:
> > https://answers.launchpad.net/dolfin/+question/145534
> > 
> > Hi all,
> > 
> > I am using the dolfin to solve a PDE problem by finite element method.
> > However, I met a problem when I try to define the linear form L(v) of
> > right hand side. Suppose the PDE is:
> > 
> > F(x) = f.
> > 
> > What should I do if the f is a Dirac Delta function. How to define it in
> > ufl? Anybody met and solved the similar problems before?
> > Thank you for attention and kind help.
> 
> This is not supported.

I am also interested in this. What would it require to implement? Changes to 
UFL, FFC, DOLFIN?

Johan