SRFSimple B.C
 

Hello together
I want simulate a axial pump by SRFSimple solver and now dont know that urel/0 what shuld be!
bc is:
inlet--velocity inlet
pipe--wall ( fixed wall)
outlet--pressure outlet
impler--wall (should be rotating wall)
suppose:
v inlet=1 m/s (0,0,1)
rotating axis (0,0,1) 3000rpm