🎐 Wind Chime Tube Vibration: Free-Free Beam Modes, Pentatonic Tuning and Wind-Driven Clapper (2D)

2D companion of the wind chime scene: top-down wind-driven clapper striking six tuned tubes, free-free Euler-Bernoulli bending modes, strike-point mode excitation, spectrum and decay, with six in-page numerical checks.