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🌀 Lagrangian Double Pendulum - 2D Twin Divergence, Energy and Phase Portrait

2D companion of the chaotic double pendulum: Lagrangian RK4 motion with a ghost twin, energy conservation trace, log divergence of nearby trajectories, phase portrait and three numerical checks.

Physics & Mechanics2DAdvanced60 FPS📱 Mobile-adapted⇄ 3D version

⚙ Under the hood

2D companion of the chaotic double pendulum: Lagrangian RK4 motion with a ghost twin, energy conservation trace, log divergence of nearby trajectories, phase portrait and three numerical checks.

Double PendulumChaosLagrangian MechanicsLyapunov

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install