Chaotic Double Pendulum
Exact Lagrangian equations • Colorful fading trail
Length 1
150
Length 2
150
Mass 1
1.0
Mass 2
1.0
Gravity
1.20
θ₁ (deg)
160
θ₂ (deg)
172
Reset
Randomize
Perturb +0.01
Pause
Clear Trail
θ₁:
160.0
°
θ₂:
172.0
°
ω₁:
0.00
ω₂:
0.00
Uses the full nonlinear equations of motion for a double pendulum.
The motion is chaotic for most initial conditions. Trail shows the path of the lower bob.