Mass Flow Boundary Condition—Creo Simulation Live
You can specify the mass flow rate as an inlet or outlet boundary condition for a fluid flow simulation study.
To Define a Mass Flow Boundary Condition
1. Click > 
Mass Flow. The Mass Flow dialog box opens.
Mass Flow. The Mass Flow dialog box opens.2. Select the surfaces at which you want to apply a mass flow boundary condition. Your selection appears in the Surfaces collector.
3. Specify the rate of mass flow in the Mass flow rate field.
4. Select units from the list or accept the default units.
5. Click OK to create and save the boundary condition.