Zel'dovich Approximation · Pancake Collapse
unseel.com · x = q + D(t)·s(q) · sheets first · shell crossing
Growth D(t) 0.00
State smooth grid
Beat
Mass elements (particles)
Displacement vectors s(q)
Pancake / caustic
Filament & knot
Unseel.com · Zel'dovich Approximation