Johns Hopkins Turbulence Database

Forced Isotropic Turbulence Dataset on 8,1923 Grid

Isotropic 8192 Turbulence figure

Simulation data provenance: Georgia Tech DNS code

See README-isotropic8192 for more details

✪ Direct numerical simulation (DNS) using 8,1923 nodes.

✪ Navier-Stokes is solved using pseudo-spectral method.

✪ Time integration uses second-order Runge-Kutta.

✪ The simulation is de-aliased using phase-shifting and truncation.

✪ Energy is injected by keeping the energy density in the lowest wavenumber modes prescribed following the approach of Donzis & Yeung.

✪ After the simulation has reached a statistical stationary state, a frame of data, which includes the 3 components of the velocity vector and the pressure, are generated and written in files that can be accessed directly by the database (FileDB system).

✪ Domain: 2π × 2π × 2π

✪ Grid: 8,1923

✪ Number of snapshots available: 6

✪ Taylor-scale Reynolds number Reλ~ 1200-1300 for snapshots 0-4, and Reλ ~610 for snapshot 5

✪ Viscosity, dissipation, RMS velocity, and Kolmogorov scale: see README-isotropic8192

✪ GetPosition is not implemented for this dataset.