The plot below shows the evolution of the mass fraction for the sphere-wind simulation at four different resolutions. The lowest-resolution sim had 16 cells / , followed by 32 cells / , 64 cells / , and 128 cells / . All simulations were run on a grid with physical size pc, except the highest, which was run in an pc box, and only until kyr. Lines show the mass fraction calculated as the fraction of material above 1/20th the intitial median density (solid), 1/10th the initial median density (dashed), and 1/3rd the intial median density (dash-dot).
In addition, below are snapshots of the clouds at 200 kyr: