[Bhanu Swaroop]

I have a basic question. I am running a simulation for a compressor. There was flow recirculation at the volute outlet as suggested I used an opening-type boundary with opening pressure and temperature. Opening pressure condition has static pressure outflow and total pressure in flow. So if I want to generate a performance map, we usually do it by gradually varying the static pressure at the exit. So is it the same with opening type boundary too? Can we decrease the opening pressure to generate the curve? (I do know the best practice is to extrude the domain at the outlet to not involve an opening type boundary but I just wanted to know if the above method with the opening I described is also correct or not)