Chaotic Advection — Journal Bearing Flow
Inner Rotation ω₁
1.00
Outer Rotation ω₂
-0.50
Eccentricity e
0.30
N Tracers
200
Trail Length
40
Reset Tracers
Add Blob
Aref (1984): Stokes flow between eccentric cylinders appears integrable but alternating inner/outer rotations create chaotic particle trajectories via broken KAM tori. Laminar ≠ non-chaotic. Stream function ψ from bipolar coordinates.