Abstract
An oscillator with dry friction under external excitation is considered. The Poincaré map can be established according to the series solution near equilibrium in the case of 1:4 resonance. Based on the theory of normal forms, the map is reduced into its normal form. It is shown that the Neimark-Sacker (N-S) bifurcations may occour. The theoretical results are verified with the numerical simulations.
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Communicated by Li-qun CHEN
Project supported by the National Natural Science Foundation of China (No. 11172246) and the Fundamental Research Funds for the Central Universities of China (No.SWJTU11ZT15)
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Guo, Y., Xie, Jh. Neimark-Sacker (N-S) bifurcation of oscillator with dry friction in 1:4 strong resonance. Appl. Math. Mech.-Engl. Ed. 34, 27–36 (2013). https://doi.org/10.1007/s10483-013-1650-9
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DOI: https://doi.org/10.1007/s10483-013-1650-9