get new gravity term to work

LDDsimulation/domainPatch.py

@@ -183,7 +183,7 @@ class DomainPatch(df.SubDomain):
                     neighbour_assumes_R = self.interface[interf].neighbour_isRichards[self.subdomain_index]
                     if not neighbour_assumes_R:
                         self.TPR_occures = True
-                        self.has_interface_with_TP_neighbour.update(interf)
+                        self.has_interface_with_TP_neighbour.append(interf)
             else:
                 self.has_interface_with_TP_neighbour = None
                 self.has_phases = ['wetting', 'nonwetting']  #['nonwetting', 'wetting']
@@ -499,7 +499,7 @@ class DomainPatch(df.SubDomain):
 
         flux_function = df.project(flux, self.function_space["flux"][phase])
         flux_x, flux_y = flux_function.split()
-        gravity_neummann_flux = df.Function(self.function_space["gli"][phase])
+        gravity_neumann_flux = df.Function(self.function_space["gli"][phase])
         # # get dictionaries of global dof indices and coordinates along
         # # the interface. These dictionaries have the facet indices of
         # # facets belonging to the interface as keys (with respect to
@@ -523,7 +523,7 @@ class DomainPatch(df.SubDomain):
                 flux_x_dof_index = corresponding_dof_index[local_facet_ind][neumann_flux_dof_index]["flux_x"]
                 flux_y_dof_index = corresponding_dof_index[local_facet_ind][neumann_flux_dof_index]["flux_y"]
 
-                gravity_neummann_flux.vector()[neumann_flux_dof_index] = flux_x.vector()[flux_x_dof_index]*normal[0] \
+                gravity_neumann_flux.vector()[neumann_flux_dof_index] = flux_x.vector()[flux_x_dof_index]*normal[0] \
                     + flux_y.vector()[flux_y_dof_index]*normal[1]
 
                 # save this newly calculated dof to the interface