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| bench.ts | Bead-and-spring percussion simulator: numbl-scripted setup, Verlet/Yoshida solver with exact damping, linear modes, browser app | |
| cascade.ts | Bead-and-spring percussion simulator: numbl-scripted setup, Verlet/Yoshida solver with exact damping, linear modes, browser app | |
| nonlin.ts | Bead-and-spring percussion simulator: numbl-scripted setup, Verlet/Yoshida solver with exact damping, linear modes, browser app | |
| solver.test.ts | Listener quantity: acceleration (default), velocity or displacement; acceleration from forces with boundary-corrected damping; zero-mode threshold 1e-6 of top frequency | |
| twin.ts | Default damping: every mode falls 60 dB in 2.5 s; examples at 2.5 s; twin separation relative to recent displacement; stronger chaos strike | |