🌀 Wilberforce Pendulum: Spring-Twist Coupling and Energy Beats (2D)

A Wilberforce pendulum simulator: a mass on a helical spring whose stretch and twist are coupled, with RK4 integration, normal-mode frequencies, an avoided-crossing graph and live energy transfer between the two motions.

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