拟周期运动 meaning in English
quasi-periodic motion
Examples
- The numerical simulations demonstrate that there is a quasi - periodic rotation on the invariant curve when the coupling coefficient e is small enough
数值计算表明当空间耦合强度足够小且限制在某些范围内时，系统在不变圈上是拟周期运动。 - An approach about the no - linear whirl dynamics behavior of elastic shaft jeffcott rotor with a transverse crack , which is supported on the unsteady and no - linear oil film , is given
裂纹转子轴刚度变化对油膜夫稳点及油膜失稳之后转子的运动影响不大，转子系统作拟周期运动。 - It is constructed that radial impact and rubbing dynamics differential equations of the rotor system having the nonlinear rigidity on the unsteady and non - linear oil film . the bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity , rotor rotating speed , eccentric mass is analyzed , in the numerical value analysis method . the bifurcation diagrams , maximum lyapunov exponent diagrams , poincar maps , phase plane portraits , trajectories of journal center , time - history curve , amplitude spectra diagrams of the rotor motion are used
( 2 )建立了具有非线性刚度的转子系统在非稳态非线性油膜力作用下的径向碰摩动力学微分方程,并应用含高阶余项的非线性动力方程的线性化数值法研究了此类系统响应的复杂动力学行为,利用转子响应的分岔图、最大lyapunov指数曲线、 poincar截面映射、时域波形、相轨线、轴心轨迹、幅值谱等图形分析了系统响应的周期运动、拟周期运动、倍周期分岔、混沌等运动形式的转化与演变过程,重点研究了非线性刚度、转子转速、偏心质量等系统参数对碰摩故障转子系统的分岔和混沌行为的影响。