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Unsteady Flow past circular cylinder-Re=100 (fluctuating drag and lift co-efficients)

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Old   April 10, 2014, 09:39
Post Unsteady Flow past circular cylinder-Re=100 (fluctuating drag and lift co-efficients)
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I am doing a simulation on incompressible flow over cylinder for Re=100. I am getting periodically fluctuating total drag and lift co-efficients. There will be contribution from pressure and well as friction for the co-efficients. Now my doubt is " Lift co-efficient due to pressure and Lift co-efficient due to friction will add together for the total lift co-efficient or they will counter act each other i.e.( will there be any phase difference between pressure and frictional lift co-efficient?) "

I searched in literatures also. I could not get any for pressure and frictional lift co-efficient?

Thanks in advance.!!!
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