[sambayo]

hi all,

i am doing my bachelor project is simulation of 2 phase flow (liquid gas) in pipeline and i need some help please

my case is that i have a pipe line immersed in water and opened from the bottom part and the side, and then air enters from the side and pushes the water up so it acts as air lift pump


boudary counditions bottom is inlet vent and the side is pressure inlet for air

whenever i enter my boundary conditions i dont get results i dont know why my pressure inlet is 80,000 pascal and at the inlet vent the initial pressure is 40,000 pascal.

attached is what i get

thank you for your help