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Issues with modelling and simulating jet blast

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Old   May 19, 2024, 10:49
Question Issues with modelling and simulating jet blast
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Bran
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I am trying to simulate an aircraft engine jet blast, as shown in the attached picture. Hot exhaust gases are supposed to flow through the two tubes into the computational domain. I am facing issues trying to apply an inlet boundary condition to the tube inlets alone rather than to the inlet wall of the entire computational domain. I've tried giving named selections to the tube inlets alone and a wall named selection to all the other walls of the domain. I've also tried suppressing the physics of the tube, but I couldn't get any useful results. How can I resolve this issue?
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