Next: zeroGradient Boundary Condition Up: Outlet Boundary Conditions Previous: outletVent Boundary Condition Contents Index Zero Gradient Family of Outlet Boundary Conditions From mathematical point of view, zero gradient value boundary conditions are Neumann boundary conditions.At the outlet, for all the quantities (except pressure) the typical choice is zeroGradient based boundary condition. SubsectionszeroGradient Boundary ConditioninletOutlet Boundary Condition OpenFOAM Training by CFD Support, CFD SUPPORT, info@cfdsupport.com +420 212 243 883 © CFD support, s.r.o., Sokolovská 270/201, 190 00 Praha 9, Czech Republic