Rob
Ansys Employee
I suggest you click on Help in the software and work through a few tutorials, the videos are worth watching too. That will give you an idea of what can be done, and how we'd do it. nBoundary labels are used to identify surfaces and volumes. Typically these are descriptive, so inlet_top and outlet_lower are good examples: I could call the faces Bob and Harry they're still separate labels but not overly useful. n