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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › Different boundary condition gives weird result › Reply To: Different boundary condition gives weird result

June 29, 2023 at 11:03 am
Rob
Forum Moderator

Not necessarily, it's just with 20m/s you're resolving a time scale to converge 20m/s crossing a typical cell size; but also need to run to ensure the transient solution isn't still seeing the initial condition as a result (ie the solver has changed the flow to be correct rather than what ever you set at t=0).Â