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Nonlinear force-driven coupled vertical and torsional vibrations of suspension bridges, when the frequency of an external force is approaching one of the natural frequencies of the suspension system, which, in its turn, undergoes the conditions of the one-to-one internal resonance, are investigated. The method of multiple time scales is used as the method of solution. The damping features are described by the fractional derivative, which is interpreted as the fractional power of the differentiation operator. The influence of the fractional parameters (orders of fractional derivatives) on the motion of the suspension bridge model is investigated.
Backgrounds
The experimental data obtained in Abdel–Ghaffar and Scanlan (1985) during ambient vibration studies of the Golden Gate Bridge show that different vibrational modes feature different amplitude damping factors, and the order of smallness of these...
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References
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Rossikhin, Y.A., Shitikova, M.V. (2018). Vibrations of Suspension Bridges: Fractional Derivative Model. In: Altenbach, H., Öchsner, A. (eds) Encyclopedia of Continuum Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-53605-6_83-1
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