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  1. I have a concern regarding the stability of my simulation. I'm working with a snorkel air intake which suctions air from enviroment in order to feed the engine. I need to find the mass flow kg/s . The geometry at inlet have some cells just like the snorkels for jeep , I have mesh this using a baffle approach and this part has a wall condition so fluid come in through this cells. For that I have used at inlet pressure enviroment 101 325 Pa and outlet a negative pressure that represents vacuum (-33000 pa) flow must go from the snorkel (inlet) to the outlet which goes to the filter and after to the engine. I'm using steady state simulation, spalart allmaras turbulence model. I'm having non convergence and the value of the mass flow is super high which of course is non physical. I would appreciate any comment or idea. I do think the problems are under Boundary conditions. Thanks in advance.
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