dolfin team mailing list archive

[Bartosz Sawicki <sawickib@xxxxxxxxxxxxx>]

Thank you. Now everything works as expected. :)

BArtek


Garth N. Wells wrote:
> Bartosz Sawicki wrote:
> > After few weeks being out of fenics repositories, I'm trying to get my 
> > application back to live. And I have a question, if it is possible now 
> > to create Function without using complete form definition?
>
> Yes, take a look at
>
>    /demo/pde/advection-diffusion
>
> (there are both C++ and Python demos)
>
> > Following code worked one month ago, but not any more:
> >
> > FiniteElement fe("MixedElement([FiniteElement('Discontinuous 
> > Lagrange', 'tetrahedron', 0), FiniteElement('Discontinuous Lagrange', 
> > 'tetrahedron', 0), FiniteElement('Discontinuous Lagrange', 
> > 'tetrahedron', 0)])");
> > DofMap dofmap("FFC dof map for 
> > MixedElement([FiniteElement('Discontinuous Lagrange', 'tetrahedron', 
> > 0), FiniteElement('Discontinuous Lagrange', 'tetrahedron', 0), 
> > FiniteElement('Discontinuous Lagrange', 'tetrahedron', 0)])", mesh);
> > FunctionSpace Vj(mesh, fe, dofmap);
> > Function j( Vj );
>
> The precompiled elements with signatures have been removed, which is why 
> the above will no longer work.
>
> > Maybe I'm just thinking in the wrong way? Maybe it would be more 
> > natural for dolfin to create simple form file:
> > vectorelement = VectorElement("Discontinuous Lagrange", "tetrahedron", 0)
> > j = Function(vectorelement)
>
> You can do something like this in the Python interface,
>
>     V = VectorFunctionSpace(mesh, "CG", 2)
>     velocity = Function(V);
>
> Garth
>
>
> > cheers,
> > BArtek
> >
> >
> >
> >
> >
> >
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