分析了裂纹转子在非线性涡动影响下的动力学行为，特别是系统响应的分叉与混沌特性。
A cracked rotor with nonlinear influences of whirl speed is investigated, with particular focus on the behaviors of bifurcation and chaos.
获得了作用在恢复弹簧上的冲击激励，为弹簧的动塑性分析提供了运动边界条件，掌握了弹射系统的动力学特性。
Thus, the impact excitation acting on the restoring spring is obtained, and the dynamic characteristic of the ejection system is acquired.
采用阻尼影响抽取法研究了围岩动刚度的动力特性 ，提出了岩石地下结构抗震分析的实用算法。
The dynamic characteristics of surrounding rocks are not only concerned with their constraint on underground structure, but also related to the earthquake input in the dynamic interaction analysis.
对影响压电堆作动器动态特性的因素进行了深入分析，建立了压电堆作动器的等效动力学模型。
A detailed discussion is given on the influencing factors of dynamics character of the piezoceramic-stacks actuator.
对影响压电堆作动器动态特性的因素进行了深入分析，建立了压电堆作动器的等效动力学模型。
A detailed discussion is given on the influencing factors of dynamics character of the piezoceramic-stacks actuator.
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