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June 22, 2010, 02:55 |
Boundary condition - FFT
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Join Date: Jun 2010
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Boundary condition - FFT
I am working on simulating a two-phase flow 3-D fluidized bed. It is a granular flow interacting with gas. When I created my mesh, the bottom part was declared as a “velocity-inlet”. Mainly walls on the sides and the top part is the outlet. My question is: I am not sure if I should declare it as “outflow” or “pressure-outlet”. Can somebody tell what is more appropriate and explain me the difference between them? The reason why I am asking the above question is because I am also trying to get the FFT (Power Spectral Estimate) x frequency graph of the vertical forces. Thank you! |
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