Abstract：Based on impact damper, a dynamic model of the unconstrained collision system was established. Using coefficient of restitution as the primary control parameter, it analyzed the system periodical movement and its bifurcation region, revealed the chattering movement characteristic of the system, and obtained the coefficient of restitution interval during the chattering of collision system under various mass and frequency ratio conditions. The results showed: there was obvious bifurcation phenomena in the collision system when the coefficient of restitution was over 0.5; The coefficient of restitution for chattering is in the range of 0.5 to 0.9, and as the mass ratio decreased, the coefficient of restitution interval constantly increased; as the frequency increased, the coefficient of restitution interval dropped.
杜妍辰，张洪源，林俊文. 碰撞阻尼器中颤振发生的恢复系数区间研究[J]. 振动与冲击, 2021, 40(24): 154-162.
DU Yanchen,ZHANG Hongyuan,LIN Junwen. A study on the coefficient of restitution interval for chattering in an impact damper. JOURNAL OF VIBRATION AND SHOCK, 2021, 40(24): 154-162.
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