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Vortex core generation in Tecplot

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Old   January 14, 2019, 07:11
Default Vortex core generation in Tecplot
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Dear all,

I have calculated the vortex core in swirling pipe flow using Tecplot.

The confusion that I have now is whether the vortex core calculated is based on time-averaged data or from the instantaneous flow filed. I have imported only a single case and data from Fluent into Tecplot.

Any reference to this would also be useful to me.

I look forward to your reply.
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Old   April 25, 2019, 07:27
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It depends on the choice of field variables.

If field variables correspond to instantaneous values then vortex cores are also instantaneous.
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Old   May 8, 2019, 07:40
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The vortex core extraction is always calculated from the instantaneous flow field (i.e. the current time step).

Please see Tecplot's knowledge base should you wish to extract a vortex core over time:

Hope this helps,
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