SteadyStokes221AssembleTanmat_InternalFacetOn this pageAssembleTanmat_InternalFacet Assemble tangent matrix internal facet. Interface INTERFACE MODULE SUBROUTINE AssembleTanmat_InternalFacet(obj) CLASS(AbstractSteadyStokes_), INTENT(INOUT) :: obj END SUBROUTINE AssembleTanmat_InternalFacetEND INTERFACE Example