Home▸Acoustics▸Whispering Gallery: Sound Hugging a Circular Wall, Caustic Rays and FDTD Pulse

🕌 Whispering Gallery: Sound Hugging a Circular Wall, Caustic Rays and FDTD Pulse

Interactive whispering gallery: 2D acoustic FDTD simulation of a pulse in a circular room, ray fan with the caustic radius R cos(alpha), wall absorption, central screen, listener waveform and numerical checks.

Acoustics2DModerate60 FPS📱 Mobile-adapted⇄ 3D version

⚙ Under the hood

A 2D acoustic wave simulation of a whispering gallery: a sound pulse near the wall of a circular room creeps around the wall to a distant listener, with ray paths, the caustic circle R cos(alpha), wall absorption and a central screen.

whispering galleryacousticsFDTDcausticroom acousticsCanvas 2D

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