本文针对后梁系统单自由度运动方程的非线性振动分析对工程设计、织造工艺改善有一定理论意义；
The nonlinear dynamic analysis to SDOF function of the back-rest system can be benefit for engineering design and improvement of weaving technology.
本文采用改进的L -P法研究梁的强非线性振动，分析了超谐波共振和次谐波共振两种情况。
The modified Lindstedt-Poincaé method(MLP) is used t analyze strongly nonlinear vibration of beams. Attention is focused on the superhamonic and subharmonic resonances.
首先对其非线性振动响应进行了解析分析，然后用数值方法研究了间隙、偏心和回转角速度等参数变化所导致的系统分岔和混沌运动的特征。
The nonlinear vibration is analyzed analytically first. With the numerical method, the bifurcation behaviors and chaos are studied with such parameters as clearance, eccentric and rotating velocity.
阐述利用最新提出的同伦分析方法求解有正阻尼的强非线性振动方程，得到了该方程的六阶近似解析解。
In this paper, the sixth-order approximate analytical solutions of the strong nonlinear oscillation with positive damping are obtained by using newly developed homotopy analysis method.
利用等效线性化的方法分析了工程机械结构的间隙非线性振动问题。
The equivalent linearization method is used to analyze the nonlinear vibration of engineering equipments caused by certain gap between different parts as well as some preload inclination.
文中给出用数值积分瞬态模拟对轴承—转子系统非线性振动进行计算分析的方法。
In this paper, a method of transient numerical simulation to simulate and analyze the nonlinear vibration of rotor bearing system is presented.
文中给出用数值积分瞬态模拟对轴承—转子系统非线性振动进行计算分析的方法。
In this paper, a method of transient numerical simulation to simulate and analyze the nonlinear vibration of rotor-beating system is presented.
分析了一类非线性振动系统的混沌运动。
In this paper, the chaotic motions of non linear vibration systems are studied.
本文分析研究了环形薄圆板的非线性振动问题。
The essay analyses the nonlinear vibration of an annular thin plate.
根据非线性理论，结合离心机转子运行实验结果，分析了阻尼器的非线性振动。
Based on the theory of nonlinearity, the vibration characteristics of the bottom bearing damper is analyzed from the running experiment results of centrifuge.
实际汽车存在许多非线性环节，需采用非线性振动模型进行研究，在这种情况下，通常采用的频域分析方法一般不再适用。
Because there are many nonlinear factors in a real automobile, a nonlinear vibration model should be necessarily used. In this case, the frequency domain methods can not be applicable.
对具有慢变参数的非线性振动系统进行了分析研究，这类系统在振动工程中有着广泛的实际背景。
The nonlinear vibration system with slow-changing parameters has been studied. This system has wide background in engineering.
在齿频误差中，分析了齿形误差、压力角误差和螺旋线波度误差激振下，转子系统的非线性振动特性，并与按线性模型计算的结果进行了对比。
Of all the gear frequency errors, the non-linear dynamic characteristics of gear tooth error, pressure angle error and sprial fluctuation error are compared with the results of the linear system.
分析公式表明，钻柱横向线性振动仅是钻柱横向非线性振动的一种特殊情况；
Therefore the nonlinear lateral free vibration of drill stem is investigated by the perturbation method.
分析公式表明，钻柱横向线性振动仅是钻柱横向非线性振动的一种特殊情况；
Therefore the nonlinear lateral free vibration of drill stem is investigated by the perturbation method.
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