[MarcDP]

Hi I am a relative noob on programming the OF solver, I've looked many tutorials but I can't find the way to do some simple operations.

I am trying to modify the transport equation to include a source term that is proportional to the cell volume.

assuming:
- lambda is a dimensionedScalar
- T is a volScalarField

I'd like to modify the source term along these lines:

  fvScalarMatrix TEqn
            (
                fvm::ddt(T)
              + fvm::div(phi, T)
              - fvm::laplacian(DT, T)
              + fvm::Sp(lambda,(T*mesh.V()))

            );

However this result in the following error:

error: no matching function for call to ‘Sp(Foam::dimensionedScalar&, Foam::tmp<Foam:: DimensionedField<double, Foam::volMesh> >)’

I guess the multiplication result is not of the type that the fvm::Sp function expects.

If anybody could help it would be massive, thanks