The essay analyses the nonlinear vibration of an annular thin plate.
本文分析研究了环形薄圆板的非线性振动问题。
The differential equations of nonlinear vibration of the shell were obtained.
建立了正弦波纹扁球壳的非线性强迫振动微分方程；
This Method can also be used to solve nonlinear vibration problems of multi-degree-freedom.
这种方法还可用来求解多自由度非线性振动问题。
In this paper the theory of nonlinear vibration isolation of diesel engine system has been studied.
本文对北京型内燃机车柴油机系统的非线性隔振理论进行了研究。
In a rotor bearing system geared, there are several nonlinear factors that may cause nonlinear vibration.
在齿轮耦合的转子—轴承系统中，有多种因素使系统产生非线性振动。
In this paper, an adaptive fuzzy sliding mode control scheme is proposed for nonlinear vibration systems.
本文针对非线性振动系统提出了一种模糊自适应滑模控制方案。
In this paper, the nonlinear mode correspondence principle in nonlinear vibration theory is proposed and proved.
提出了非线性振动理论中的非线性模态对应原理，并给出了该原理的证明。
The equivalent mechanical model of the structural nonlinear vibration and control systems was studied in this paper.
研究了结构非线性振动及其控制系统的等效力学模型建立问题。对结构进行等效线性化处理；
The BHA transmits its torsional vibration to the gear system of drill power pack and brings about nonlinear vibration.
钻柱将其扭转振动传至钻机动力头，引起动力头齿轮传动系统的非线性振动。
The question about parametric identification of nonlinear vibration system based on time-frequency analysis was studied.
对基于时-频相结合的非线性振动系统的参数识别问题进行了研究。
The laterally nonlinear vibration of axially moving plates was analyzed by the incremental harmonic balance (IHB) method.
应用增量谐波平衡法(IHB法)研究轴向运动薄板横向非线性振动特性及其稳定性。
The nonlinear vibration of an axially moving viscoelastic belt as typical moving continua was experimentally investigated.
利用实验方法研究粘弹性传动带的非线性振动。
Firstly, by means of multiple scale method the frequency response function of weakly nonlinear vibration system is derived.
首先，用多尺度法导出弱非线性强迫激励系统的频率响应函数。
Finally, the periodic and chaotic motions of a nonlinear vibration-isolation system for on-board machinery are investigated.
最后以船舶机械非线性隔振系统为例，分别分析了该改进方法在系统呈现周期运动和混沌运动时的应用。
The nonlinear vibration system with slow-changing parameters has been studied. This system has wide background in engineering.
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 behaviors of a rectangular moderate thickness plate with dowel on elastic foundation were investigated.
研究了弹性地基上带传力杆的间断中厚矩形板结构的非线性振动特性。
On such basis, an incremental finite element formulation for nonlinear vibration of moderately thick and thin plate is presented.
据此，建立了中厚度-薄板非线性振动的增量有限元列式。
The multiple dimension Lindstedt-Poincaré method and IHB method are used to study the nonlinear vibration of axially moving beams.
本文分别采用多元L-P法和增量谐波平衡法（IHB法）研究轴向运动梁的横向非线性振动。
The method is applicable to various kinds of nonlinear vibration systems with many degrees of freedom, and is simple in calculation.
该方法适用于各种多自由度非线性振动系统，计算比较简单。
Qwing to the time-varying stiffness of spur gears, the vibration of transmission gears has the characteristics of nonlinear vibration.
由于齿轮刚度的时变性，传动齿轮的振动具有非线性振动的性质。
The nonlinear vibration equation of the elastic straight bar under thermal expansion and harmonic excitation is obtained by Galerkin principle.
由伽辽金方法得到了弹性直杆热胀冷缩状态下受均布简谐激励的非线性振动方程。
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.
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。
The vortex_induced nonlinear vibration of casing pipes in the deep water was studied considering the loads of current and combined wave_current.
考虑流及波流联合作用，研究了深水套管的涡激非线性振动。
In this paper, a fuzzy logic control based on genetic algorithms for complex nonlinear vibration systems of multiple degree of freedom is proposed.
本文对于复杂的多自由度非线性振动系统提出了基于遗传算法的主动模糊控制方法。
In nature, a sliding friction system is a nonlinear vibration one, there are still many problems, in theory and practical engineering, to be solved.
滑动摩擦系统是一种本质非线性振动体系，尚有许多理论和工程实际问题有待解决。
As an example, an approximate analytic solution of nonlinear vibration for a plate strip in lateral magnetic field is obtained by the multi-scale method.
作为具体问题，采用多尺度法求出了横向磁场中条形板非线性振动的近似解析解。
By using of this formula, the accurate mean and mean square responses of a linear or an equivalent linearized nonlinear vibration problem can be obtained.
应用该公式可以求出线性和等价线性化的非线性振动系统的精确稳态均值和均方响应。
By using of this formula, the accurate mean and mean square responses of a linear or an equivalent linearized nonlinear vibration problem can be obtained.
应用该公式可以求出线性和等价线性化的非线性振动系统的精确稳态均值和均方响应。
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