Step: 0
Max |ω|: 0
Max |ω|: 0
Vorticity ω = ∂v/∂x − ∂u/∂y
Evolution: ∂ω/∂t + u·∇ω = ν∇²ω
Stream function ∇²ψ = −ω, then u = ∂ψ/∂y, v = −∂ψ/∂x.
Red = positive vorticity (CCW), Blue = negative (CW). Cascades visible as vortices merge.
Evolution: ∂ω/∂t + u·∇ω = ν∇²ω
Stream function ∇²ψ = −ω, then u = ∂ψ/∂y, v = −∂ψ/∂x.
Red = positive vorticity (CCW), Blue = negative (CW). Cascades visible as vortices merge.