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Time dependent boundary

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Old   September 2, 2010, 13:45
Default Time dependent boundary
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Hello everybody.

Im not very familiar with unsteady processes. Im trying to solve and inlet conduct for a single cilinder engine. Then i need to select the boundary condition for the outlet of the air in starccm. I know the mass flow outlet and the frequency the valve open and closes... do you know what boudary condition should i use?

Thank you very much.

Best regards.

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