Table 3 Parameters of the Flow Configurations

From: Online calibration of deep learning sub-models for hybrid numerical modeling systems

DNS grid (NDNS × NDNS)

LES grid (NLES × NLES)

Scale (δ)

DNS time step (hDNS)

LES time step (hLES)

\({{\rm{Re}}}\)

r

kf

1024 × 1024

64 × 64

16

5 × 10−5

8 × 10−4

20000

0.1

4

  1. Both the DNS and LES systems share the same parameters, except for the grid size and the integration time step. The grid size of the LES system is reduced by a factor of δ = 16. The time step of the LES system corresponds to that of the DNS multiplied by δ.
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