![[jsMoviePlayer]](nowhere/f_1.png)
An animation of swirl=0.15, viscosity=.0001 simulation. From t=88.0 to t=92.0, with Δt=0.02. The partially transparent green isosurface is dimensionless pressure of -1.0. The red isosurface is dimensionless pressure of -2.0. The blue shows a square enclosing -0.2<x<0.2 and -0.2<y<0.2 at the lower boundary.