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March 14, 2012, 08:07
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Buoyancy driven flow
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New Member
Hamid
Join Date: Mar 2012
Posts: 20
Rep Power: 14  |
Hi everybody,
I'm going to solve a simple flow over flat plate and I'm going to have heat equation and buoyancy effects in my flow. My domain size is 1500(height)x6000x6000 [m] and my first grid center is located 0.03 away from the ground. I have periodic lateral BC, Symmetry top BC and no-slip wall BC. I can simulate the flow when I have a neutral case but with temperature it diverges very fast. Do you have any idea what could be wrong? Note that with this size Grashof number becomes enormous, but I don't know if that's the problem. I appreciate all your suggestions 
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| buoyancy flow, divergence, grashof number |
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