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July 29, 2002, 08:27 |
moving zones
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#1 |
Guest
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Hi!
im working with a mixer and I have a simple question. Could anyone tell me the main differents about single frame and sliding mesh... why should I use one instead of the other?? Hope someone can tell me? |
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July 30, 2002, 04:58 |
Re: moving zones
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#2 |
Guest
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very brief: moving reference frames give you time-averaged results.
If you are interested in transient behaviour (e.g. interaction between the impeller and the baffles of your mixer) you can only obtain your results with a sliding-mesh-model. Also if the flow is inherently transient, you should use moving mesh. I suppose you're not very much interested in transient behaviour, so you'll use mostly the moving reference frame model. For a mixer: you should not use the mixing plane model, because this one will also give you an average result over the interface. If you're tracking species (because they should be mixed for example), the concentration at the interface will be averaged along the interface. You will have a very efficient mixing along this interface, but it's only numerical Laika, still orbiting |
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July 30, 2002, 05:08 |
Re: moving zones
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#3 |
Guest
Posts: n/a
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ok..ok
thank you laika!! |
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