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Explanation moving mesh, moving frame, or dynamic mesh

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Old   April 11, 2012, 11:46
Default Explanation moving mesh, moving frame, or dynamic mesh
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I'm a beginner in fluent and i would like to know what are the specifications for the options moving frame, moving mesh or dynamic mesh. In which case of motion do we we have to use one or another of these options ?
If someone knows more about it, or can give me links, i will be very grateful.
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Old   April 13, 2012, 07:57
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A moving frame is used (example) in centrifugal pumps where there is a relative motion between fluid in impeller and fluid in the volute.
A moving (dynamic mesh) is used in positive displacement pumps where the volume within the pump is constantly changing.

I hope this clears your doubt about the difference between the two

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