Training Guide > Multi-Component Flow Tutorials > Dilution Pipe (Steady Flow) Tutorial > Renaming Regions and Boundaries
Renaming Regions and Boundaries
All regions and boundaries are given default names during the mesh import. We will now give them more appropriate names.
- Open the Regions node, then right-click on the Default_Fluid node and select

The Rename dialog will appear.
Most of the boundaries already have suitable names. The only one that does not is the wall boundary, which is currently called Default_Boundary_Region.
- Within the Boundaries node of the Fluid node, rename this node as wall
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