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May 12, 2002, 11:52 |
Problem of B.C. in Eulerian multiphase model
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I am simulate fine powders flowing through the nozzle of a hopper. Initially the powder fill the hopper to a position 10 mm below the top. The top of the hopper is open.
I am using FLUENT 6.0 Eulerian multiphase model. I apply outflow B.C. at both the bottom (nozzle) and the top of the hopper. Now the problem is that the largest velocity of powder exist at the powder surface. I think this result is unreasonable. I guess this problem is due to the B.C. I applied at the top face. So, what kind of B.C. shohld I apply for the top face of hopper? Thank you very much. |
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