Abstract

The forward and inverse energy cascades in turbulent channel flow are studied by extracting flow specific subgrid coefficients. The effect that subgrid scales of motion have on the resolved scales is quantified by developing subgrid models from the statistics of the differences between a reference direct numerical simulations (DNS) and a truncated DNS using the method of Frederiksen and Kepert, J. Atmos. Sci. 63:3006–3019, 2006 [1].

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