Fig. 4.3 Stationary amplitudes as functions of excitation level q. Perfectly tuned internal
resonance, but slightly detuned external resonance. (X = 1.2, and other parameters as for Fig. 4.2.)
Fig. 4.4 Stationary amplitude a of the primary mass as a function of excitation frequency X for
three levels of absorber detuning r 2 = x 1 –2x 2 . (q = 0.1, x 1 = 1, c 1 = c 2 = 1, b 1 = b 2 = 0.05)
Fig. 4.5 Stationary amplitude a of the primary mass as a function of excitation frequency X for
three levels of excitation level q. Perfectly tuned internal resonance. (x 1 = 2x 2 = 1, c 1 = c 2 = 1,
b 1 = b 2 = 0.05)
4.2 The Autoparametric Vibration Absorber
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resonance, but slightly detuned external resonance. (X = 1.2, and other parameters as for Fig. 4.2.)
Fig. 4.4 Stationary amplitude a of the primary mass as a function of excitation frequency X for
three levels of absorber detuning r 2 = x 1 –2x 2 . (q = 0.1, x 1 = 1, c 1 = c 2 = 1, b 1 = b 2 = 0.05)
Fig. 4.5 Stationary amplitude a of the primary mass as a function of excitation frequency X for
three levels of excitation level q. Perfectly tuned internal resonance. (x 1 = 2x 2 = 1, c 1 = c 2 = 1,
b 1 = b 2 = 0.05)
4.2 The Autoparametric Vibration Absorber
219