[facet][tpfa] implement fouriers law

dumux/multidomain/facet/cellcentered/tpfa/CMakeLists.txt

@@ -3,5 +3,6 @@ couplingmanager.hh
 couplingmapper.hh
 darcyslaw.hh
 fickslaw.hh
+fourierslaw.hh
 properties.hh
 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/dumux/multidomain/facet/cellcentered/tpfa)

dumux/multidomain/facet/cellcentered/tpfa/properties.hh

@@ -35,6 +35,7 @@
 #include <dumux/multidomain/facet/cellcentered/localresidual.hh>
 #include <dumux/multidomain/facet/cellcentered/tpfa/darcyslaw.hh>
 #include <dumux/multidomain/facet/cellcentered/tpfa/fickslaw.hh>
+#include <dumux/multidomain/facet/cellcentered/tpfa/fourierslaw.hh>
 
 #include <dumux/porousmediumflow/fluxvariables.hh>
 
@@ -64,6 +65,13 @@ struct MolecularDiffusionType<TypeTag, TTag::CCTpfaFacetCouplingModel>
     using type = CCTpfaFacetCouplingFicksLaw< TypeTag >;
 };
 
+//! Use the tpfa facet coupling-specific Ficks's law
+template<class TypeTag>
+struct HeatConductionType<TypeTag, TTag::CCTpfaFacetCouplingModel>
+{
+    using type = CCTpfaFacetCouplingFouriersLaw< TypeTag >;
+};
+
 //! Use the cc local residual for models with facet coupling
 template<class TypeTag>
 struct BaseLocalResidual<TypeTag, TTag::CCTpfaFacetCouplingModel> { using type = CCFacetCouplingLocalResidual<TypeTag>; };