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October 30, 2016, 02:00
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Turbulence
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Member
Mohammad Sarfaraz
Join Date: Feb 2010
Posts: 35
Rep Power: 16  |
As we know, turbulence is 3d.
What are the implications of 2d versus 3d modeling? If we use LES for the 2d, can the results be trusted? |
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October 30, 2016, 02:46
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#2 | |
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Senior Member
Filippo Maria Denaro
Join Date: Jul 2010
Posts: 6,768
Rep Power: 71 |
Quote:
No...this question has been posed also in other posts. The key is that in 2D you have no stretching. The only case for a quasi-2D turnbulence is for geophysical large scale flows. FOr engineering problems, You can only model some 2D flows with statistical averaging (RANS) |
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