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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › How to input a periodic excitation to a flow or jet › Reply To: How to input a periodic excitation to a flow or jet

July 6, 2023 at 12:21 pm
Rob
Forum Moderator

Don't use outflow, it's a really bad idea generally, and even worse with backflow. You want a pressure outlet. 

Now, backflow is also going to happen with that bc, and I'll leave you to explain why (in reality) it's happening.Â