Strike and Bow: nonlinear excitation of a modal resonator
Each mode is a damped oscillator (δtt with centered loss). A hammer (explicit, power law felt) or a bow
(implicit friction, Newton per step) drives them at one point. Change the parameters and press Play.
More info: [hammer] [bow]
hammer speed m/s
felt exponent α
bow force FB
bow speed vB m/s
Waveform and force
Spectrum of the sound
Gray dashed lines: the resonator's mode frequencies.