NaN cm x1 coordinates of cell boundaries xb1 /xb1 NaN cm x2 coordinates of cell boundaries xb2 /xb2 NaN cm x3 coordinates of cell boundaries xb3 /xb3 NaN cm x1 coordinates of cell centers xc1 /xc1 NaN cm x2 coordinates of cell centers xc2 /xc2 NaN cm x3 coordinates of cell centers xc3 /xc3 NaN gm/cm^3 Density rho /rho NaN cm/s Velocity - v3 v3 /v3 NaN cm/s Velocity - v1 v1 /v1 NaN cm/s Velocity - v2 v2 /v2 NaN erg/gm Internal energy ei /ei 30660.12891 30660.129443898797 128782 SVGd3r01bnncpp3 CO5BOLD Waves Study Institute of Solar Physics CO5BOLD Python scripts Vigeesh Gangadharan Quiet Sun CO5BOLD magnetohydrodynamic (HD) simulation - non magnetic 2017ApJ...835..148V Non-magnetic