Ask about the setup for Unsteady flow -- CFD Online Discussion Forums

August 16, 2008, 03:08	Ask about the setup for Unsteady flow	#1
Teddy Kim Guest Posts: n/a	Dear all, I got a 3D airfoil model and would like to know its unsteady characteristics, however I don't have any experience in modelling unsteady flow before. I understand I would need the strouhal number to obtain the frequency, but is there any people know~ What is the good strouhal number for airfoil? If I assumed the strouhal number is 0.3 at the beginning and obtained a frequency, how can I check it is correct or not in FLUENT? THANKS A LOT~

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