If I understand this function correctly it is a function that projects a
> H(div)-vector field onto the Raviart-Thomas space. While this function is
> clearly useful it is in my opinion less well-suited to prescribe (scalar)
> normal fluxes.
No, that's exactly what it's supposed to do
If you were to do so you would explicitly need knowledge of the normal
> direction to first construct a vector field which then projected on the
> Raviart-Thomas space would give you the desired normal trace (same would be
> true for traction boundary conditions in which case you would need to know a
> suitable stress tensor).
That is true and one of the limitations of this function. Do you have a
complicated domain where a priori knowing the normal vector is difficult?
Best
W.
--
------------------------------------------------------------------------
Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
--
The deal.II project is located at http://www.dealii.org/
For mailing list/forum options, see
https://groups.google.com/d/forum/dealii?hl=en
---
You received this message because you are subscribed to the Google Groups "deal.II User Group" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to dealii+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.
