Changing flow simulation
 

Hello,

I need to simulate the flow through a relatively complex pipe and I want to see how the liquid acts when the flow rate changes. For example, if the flow rate decreases from 5 kg/s to 2 kg/s, or vice versa, how would that transition affect the flow in the moment. How can I simulate that in ansys fluent.

P.S. I am a student and have little experience with the program and CFD in general