Interfacing GiD and FEniCS.

The FEniCS Project is a collection of free softwares for automated, efficient solution of differential equations.
http://fenicsproject.org/

GiD is a pre and postprocessor for numerical simulations. It has been designed for geometrical modeling, effective definition of analysis data, meshing, data transfer to analysis software, as well as the visualization of numerical results.
http://gid.cimne.upc.es/