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Old   September 26, 2003, 04:40
Default Help me PLZ
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How can I input a boundary layer that is changing with time (i.e. when the velocity is a function of time)? I am trying to model the airflow inside the intake manifold of a four-cylinder internal combustion engine and therefore I have to use a variable intake velocity at the intake ports.

THE IMPORTANT THING IS THAT I know there are software's that simulate the boundary condition but my university won't supply them to me.

Regards, Jack
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Old   September 26, 2003, 10:32
Default Re: Help me PLZ
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Hey, If you know the profile of your intake velocity you can define it by UDF and set it as inlet boundary condition.

Hope this is what you want to know.
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