August 29, 2023 at 8:26 am
Prashanth
Ansys Employee

Hi, the one-to-one pairing is used by default in newer releases. You can disable in TUI using: define/mesh-interfaces/one-to-one-pairing? no

For more information, check the 23R1 Fluent user docs: 6.6.4. Using a Non-Conformal Mesh in Ansys Fluent