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Lid driven cavity flow

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Old   June 4, 2002, 13:23
Default Lid driven cavity flow
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For the classic lid driven cavity flow - laminar flow - I first modeled the lid as a moving wall boundary, which gave quite good results & convergence rate.

Now I am trying to vary the lid speed, which is not possible in FLUENT, so I changed the lid to a velocity boundary specifying the 3 velocity components and found it takes a really long time to converge, and the results are different.

Can somebody explain why there is such big difference for the flow inside cavity (Re=100), the above two ways of modeling should give the same results??
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Old   December 16, 2009, 18:10
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Kimi Raikkonen
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Could you tell me the results after your studying? I mean if you compare the results after you improve the speed of lids what is happening?

Because I will start to do the experimental work of it..

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