By default, we use fick's law for the diffusive fluxes.
#include <dumux/porousmediumflow/properties.hh>
| Public Types | |
| using | type = FicksLaw<TypeTag> | 
| using Dumux::Properties::MolecularDiffusionType< TypeTag, TTag::PorousMediumFlow >::type = FicksLaw<TypeTag> |