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通过理论分析和数值仿真研究了一类含间隙机械振动系统周期运动到混沌的一种非常规转迁过程 .这个周期运动到混沌的全局分叉过程包含了倍化分叉、Hopf分叉和环面分叉 .含间隙冲击振动系统周期运动向混沌的转迁过程与常规的连续非线性动力系统有本质的区别 .冲击振动系统的映射“擦边”奇异性可能是这种非常规转迁过程的主要原因 .
A kind of unconventional transition process from periodic motion to chaos in a mechanical system with clearance is studied by theoretical analysis and numerical simulation. The global bifurcation process from chaotic cycle to chaotic cycle includes the bifurcation bifurcation, the Hopf bifurcation and the ring Surface fork.The periodic transition from chaos to vibration system with gap has the essential difference from that of the conventional continuous nonlinear dynamical system.The singularity of the rubbing of the shock vibration system may be the unconventional transition process The main reason.