Hello all  I am currently working on a solar panel cleaning system , where in real time i need to input the Water to the solar panel surface using a pump with 6psi Pressure where the panel is at an angle of 12 degrees from the ground Plane, After giving the input The Gravity Have to do the Rest Because of inclination of the Surface in Theoretical i need to Do this using VOF model but When i am trying to Solve the Problem the Flow is not Generating As expected Can any one Have any Idea How to deal With This i am Attaching The ScreenShot of my model.