interface
 

After initial the model, the system tells the following warn.

WARNING: Unassigned interface zone detected for interface 6 Error: Init_Flow: unassigned interface_zones Error Object: ()

What happen? How to change it?

Thank you!

Re: interface
 

If ur interface contain periodic surface; check on periodic in interface panel.......... If interface contain two different fluids or solid-fluid interface, plz check on coupled in interface panel. hope it will be helpful..........