Home▸Physics & Mechanics▸Small vs Large Angle Pendulum Comparator — 2D Phase Portrait and Period Curve

⏱️ Small vs Large Angle Pendulum Comparator — 2D Phase Portrait and Period Curve

2D companion of the pendulum small-angle comparator: the real nonlinear swing against the harmonic approximation, with the phase portrait, the exact elliptic-integral period curve and live checks.

Physics & Mechanics2DModerate60 FPS📱 Mobile-adapted⇄ 3D version

⚙ Under the hood

2D companion of the small-angle pendulum comparator: the real nonlinear swing against its harmonic ghost, the phase portrait with separatrix and the exact elliptic-integral period curve, with five in-page numerical checks.

pendulumsmall-angle-approximationnonlinear-dynamicsperiod-of-oscillationclassical-mechanics

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