Averaging Method for LES
I'm beginner of LES calculation.
For LES Calculation,
I know that Instantaneous Velocity
= Grid scale Velocity + Sub grid Scale Velocity (Filtered Velocity)
Most of paper for LES, some comparisons are presented with averaging flow field data.
(1) I wonder which averaging method are applied to LES calculation, and
I want to know that.
(2) Then, how can average for unsteady flow ?
I'll waiting for your answer~~
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