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Averaging Method for LES

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Old   November 21, 2001, 08:18
Default Averaging Method for LES
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Hi~ All,

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~~

best regards~
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