checking TI at inlet BC -- CFD Online Discussion Forums

May 18, 2015, 08:25

checking TI at inlet BC

vic

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anonymous

Join Date: Mar 2015

Location: Trento,Italy

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Hi all,
I'm looking for an explanation in a problem I've encountered plotting some results of a simulation.
Preliminarly, in Inlet BC(velocity_inlet) I set 5% as Turbulent Intensity ;but after solving the problem if I plot the values at that control-surface I get about 18%.
And similarly I obtain with different values for TI parameter in inlet_velocity.
I don't understand why it doesn't return me the imposed value,Someone can help me ?

I post a graph showing the problem.

Thanks.Victor

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