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Waves, Oscillations & Acoustics

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Waves, Oscillations & Acoustics

Van der Pol Oscillator

A non-linear oscillator with non-linear damping that exhibits stable self-sustained limit cycle vibrations.

d²x/dt² - μ (1 - x²) dx/dt + x = 0 N/A Waves, Oscillations & Acoustics

Vibration of Strings

Transverse standing wave resonances produced along stretched flexible strings fixed at both ends.

f_n = (n / 2L) √(T / μ), v = √(T / μ) Hz (T in N, μ in kg/m)