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2 questions about turbulence

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Old   July 6, 2018, 05:46
Wink 2 questions about turbulence
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Greetings,

I have 2 questions about turbulence:

- what is coherent structure and Lagrangian coherent structure? I read something about them, but I couldn't really understand them;

- what is phase space? I have seen many times in turbulence analysis, but I am not sure if I understand it correctly. So hope someboby could help me out.

Appreciate it.
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