ANSYS CFD Fluent

Firstly you should have basics of all about working on fluent including viscous model, plotting graph etc.,. These are important. Also try to learn moving mesh method mostly combined with UDF. UDF is advanced technique probably programmed with C language. It deals with your own function defining to particular mesh. More user friendly. I am not pretty sure about defining but have to learn. Try using ansys discover live to learn ansys or post your discussion on Ansys Student Community. You can also search for basics of UDF on Google.