Li, Qunhong; Wei, Limei; Tan, Jieyan; Xi, Jiezhen Double grazing periodic motions and bifurcations in a vibroimpact system with bilateral stops. (English) Zbl 1474.70040 Abstr. Appl. Anal. 2014, Article ID 642589, 9 p. (2014). Summary: The double grazing periodic motions and bifurcations are investigated for a two-degree-of-freedom vibroimpact system with symmetrical rigid stops in this paper. From the initial condition and periodicity, existence of the double grazing periodic motion of the system is discussed. Using the existence condition derived, a set of parameter values is found that generates a double grazing periodic motion in the considered system. By extending the discontinuity mapping of one constraint surface to that of two constraint surfaces, the Poincaré map of the vibroimpact system is constructed in the proximity of the grazing point of a double grazing periodic orbit, which has a more complex form than that of the single grazing periodic orbit. The grazing bifurcation of the system is analyzed through the Poincaré map with clearance as a bifurcation parameter. Numerical simulations show that there is a continuous transition from the chaotic band to a period-1 periodic motion, which is confirmed by the numerical simulation of the original system. Cited in 3 Documents MSC: 70K50 Bifurcations and instability for nonlinear problems in mechanics 34A36 Discontinuous ordinary differential equations 70B15 Kinematics of mechanisms and robots PDF BibTeX XML Cite \textit{Q. Li} et al., Abstr. Appl. Anal. 2014, Article ID 642589, 9 p. (2014; Zbl 1474.70040) Full Text: DOI References: [1] Awrejcewicz, J.; Lamarque, C.-H., Bifurcation and Chaos in Nonsmooth Mechanical Systems (2003), Singapore: World Scientific, Singapore · Zbl 1067.70001 [2] Shaw, S. W.; Holmes, P. J., A periodically forced piecewise linear oscillator, Journal of Sound and Vibration, 90, 1, 129-155 (1983) · Zbl 0561.70022 [3] Shaw, S. W.; Holmes, P. 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