Ansys Forte can be used to simulate a variety of pumps, which handle liquid as the working fluid. For the best practice of setting up such problems, refer to the following tutorials:
Generic Gerotor Pump in the Ansys Forte Tutorials provides an example of simulating gerotor pump, which is a positive displacement pump with an inner and an outer rotor.
Vane Pump with UDF Motion in the Ansys Forte Tutorials provides an example of simulating vane pump, which is another type of rotary displacement pump with vanes installed radially on a cylindrical rotor.