mean:
  density: 51.731807691915535
  pressure: 0.9996479958965209
  velocity:
  - -0.003852603517572648
  - -9.648920464892393e-06
  - -0.015510097878632383
std:
  density: 48.52033675753217
  pressure: 0.006013127948868812
  velocity:
  - 0.037846706865762636
  - 0.006450078892276761
  - 0.023156755334309474