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Forum: FLUENT

August 29, 2013, 10:24

Replies: 9

LES: Qcriterion- visualize/recognize turbulence

Views: 7,294

Posted By flotus1

No negative values here ;) As always, it...

No negative values here ;)

As always, it depends. The vorticity for example has non-zero values in any shear flow, no matter if turbulent or not.
A similar problem seems to be present in the...

Forum: FLUENT

August 29, 2013, 03:52

Replies: 9

LES: Qcriterion- visualize/recognize turbulence

Views: 7,294

Posted By flotus1

The normalized Q-criterion is not among the...

The normalized Q-criterion is not among the standard quantities that fluent writes to the result file. You could try to add it in the "run calculation" tab under "data file quantities.
But since it...

Forum: FLUENT

August 28, 2013, 10:28

Replies: 9

LES: Qcriterion- visualize/recognize turbulence

Views: 7,294

Posted By flotus1

When you say that the value of the Q-criterion is...

When you say that the value of the Q-criterion is zero, do you mean that it is REALLY zero or do you mean that its magnitude throughout the domain is very low compared to the maximum that fluent uses...

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