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Old   July 5, 2006, 06:38
Default Need help in eulerian simulation
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Hello, I want to model the mixing of granular media in a reaktor just by flow in the gravity field. Therefor I first want to model the discharge of the reactor (to solve the problem stepwise)! I use the 2d, axissymmetric,unsteady, eulerian multiphase model with 2 phases (air and granular sand)! I've got a time step size of 1e-5 seconds. The Problem is that I always get reverse flow on pressure outlet. Without patching the reactor interior with sand, there is no problem! I think there is a problem with my boundary conditions. what is the real sence of the backflow volume at pressure outlet? I do get enough information about it in the users guide?

Please help me!!!!!
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Old   July 6, 2006, 00:52
Default Re: Need help in eulerian simulation
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if u r working for a batch case,then set the outlet as pressure outlet and volume fraction=0.0
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Old   July 11, 2006, 01:22
Default Re: Need help in eulerian simulation
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Thank you for your answer, so far!!!I even have to try this!!!
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