Fig. 12
From: Criteria of tracking vortex surfaces in turbulent-like flows
Close-up views of VSF isosurfaces within the same regions in Figs. 10 and 11 at t=1.0 in cases M0 and M2. The color bar is the same as that in Fig. 9. The VSF isosurfaces with |ω|<|ω|max/10 in (a) and (c) and with |ω|<|ω|max/3 in (b) and (d) are cut off for clarity. Some vortex lines are integrated from points on the surface