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No recirculation zone, why??

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Old   February 19, 2013, 02:30
Default No recirculation zone, why??
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Osman
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I have developed a code to simulate a flow past a circular cylinder using Immersed Boundary Method.
I set Re=40, and the free stream inlet velocity to 1 and the diameter of the cylinder 0.1.
The resultant streamlines results have no recirculation zone behind the cylinder .
Could any one help me to know what is the reason?
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