Gaussian potential turbulence

128³, R=0.2, Δt_force=0.5, ν=1×10^-3, lnrho mpg (71M),

512³, R=0.2, Δt_force=1, ν=1×10^-4, lnrho mpg (2.4M),

512³, R=0.2, Δt_force=1, ν=5×10^-5, lnrho mpg (47M),