Johns Hopkins Turbulence Databases





Forced MHD Turbulence

Dataset description

Forced MHD turbulence:

Simulation data provenance: JHU DNS code (see README-MHD for more details).

  • Direct numerical simulation (DNS) using 1,0243 nodes.
  • Incompressible MHD equations are solved using pseudo-spectral method.
  • Energy is injected by using a Taylor-Green flow stirring force.
  • After the simulation has reached a statistical stationary state, 1,024 frames of data with 3 velocity components, pressure, 3 magnetic field and magnetic vector potential components are stored in the database.
  • The Taylor-scale Reynolds number fluctuates around Rλ~ 186.
  • 1024 timesteps are available, for time t between 0 and 2.56 (the frames are stored at every 10 time-steps of the DNS). Intermediate times can be queried using temporal-interpolation.
  • A table with the spectra of the velocity, magnetic field, Elsasser variables, cross-helicity and magnetic helicity can be downloaded from this text file.
  • A table with the time histories of energy and dissipation, both kinetic and magnetic, as well as of magnetic and cross helicity, can be downloaded from this text file.
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Last update: 10/19/2017 5:55:14 PM