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experience in customized bodyforce/source for propulsion

Hello everyone/Hexagon team, 
could somebody share the experience customized body-force simulation to me?
 
Currently I have a simulation which contains a rotating propeller and a ship hull. Since it's very expensive, I'm thinking to extract the pressure difference from single propeller case as bodyforce, and then insert it into the hull case as source in order to save the computational cost. Or is there better way to achieve the goal?
 
I understand there're propeller model and POT data modules in scFLOW, for some reasons both modules are not applicable to my case. Are there other suggestions or examples for me as reference? It would be very appreciated!