Ansys Learning Forum Forums Discuss Simulation Fluids What does it mean by ‘Warning: zone of type interior found between different solids!’? Reply To: What does it mean by ‘Warning: zone of type interior found between different solids!’?

Rob
Forum Moderator

You'll need a species model, the tube is then a mixture of helium & air. To initialise the system you patch air & helium into the respective regions. Have a look at the species models tutorials in Help.