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LES, SA, Laminar, loosing speed

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Old   October 31, 2017, 10:56
Question LES, SA, Laminar, loosing speed
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Anders Utnes
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Location: Norway
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Hi

Im running something similar to a cyclic channel flow with LES, and I'm testing my model with different reynolds numbers, both large and small.

However as I look close on the low Re, I find that as the region close to the wall is being slowed down, the middle region is not getting sped up accordingly. In fact, It seems I'm slowly losing energy here.

Anyone have any ideas about what can be causing such a catastrophe?

PisoFoam, SA, LES, Re 1000, Incompressible.
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