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Old   August 15, 2011, 01:54
Question Q criteria in LES
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snowman
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hi all

can anybody please tell me that what is Q criteria in LES?
what is its significance?
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Old   August 15, 2011, 08:17
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Florent Duchaine
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It is a criterion to detect coherent structures. You can read Dubief and Delcayre "On coherent-vortex identification in turbulence"
http://www.tandfonline.com/doi/abs/1...8-5248/1/1/011
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