KR498: TGrid: What is meant by leakage in the region ? How to locate it?
When the underlying geometry, you are using to create the wrapper surface contains a hole whose size is greater than the size of the Cartesian cells in that zone, a leakage or hole is created in the resulting wrapper surface.
To find the detailed information:
1. Log into the FLUENT User Services Center
2. Click on the T-Grid in left-hand navigation.
3. The tutorials link is found on the T-Grid product information page.