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Sound Wave Tube (2D)

Interactive 2D Kundt's-tube simulator: pick open or closed ends, sweep the driving frequency and tube length, and watch the longitudinal standing wave of air molecule displacement and pressure snap into resonance.

Sound & Music2DModerate60 FPS⇄ 3D version

Details

CategorySound & Music

RenderingCanvas 2D

DifficultyModerate

Target FPS60

ControlsToggle buttons: left end and right end (open/closed); sliders: tube length L (0.3-3 m, default 1.20 m), driving frequency (20-1200 Hz, default 143 Hz); auto-sweep toggle button that scans the frequency range automatically.

standing waveskundt's tubeacoustic resonancelongitudinal waveharmonicssound physics

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A flat 2D Kundt's tube: toggle each end between open and closed, drag the length and frequency sliders, and watch the longitudinal standing wave of air-molecule displacement and pressure snap to whichever resonant mode this tube can support, while the response curve below tracks every resonance between 20 Hz and 1200 Hz.

⚙ Under the hood

A 2D Kundt's-tube simulator where open/closed end toggles and length and frequency sliders drive a longitudinal standing wave of air-molecule displacement and pressure, snapping into resonance live.

standing waveskundt's tubeacoustic resonancelongitudinal waveharmonicssound physics

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