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。
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。
A nonlinear vibration equation with 1 016 degrees of freedom is formulated and the degrees of freedom are reduced to 34 based on fixed interface modal synthesis method.
建立了具有1 016个自由度的非线性振动方程,并基于固定界面模态综合法降维至34个自由度。
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.
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。
A combined theoretical and experimental study of a nonlinear vibration with hysteresis characteristics is done, and a new method for modeling of the nonlinear vibration system is presented.
用理论和试验相结合的手段研究一类迟滞非线性振动系统的动力建模,提出一种新的建模方法,用此方法建立非线性模型用来描述这类系统的动态特性。
A mathematics model of simulating rubber nonlinear hysteresis characteristics is advanced based on the analysis and disposal of cars' rubber supporting vibration test data.
基于轿车橡胶支承振动试验数据分析和处理,提出了模拟橡胶非线性迟滞特性的数学模型。
The number results show that the IHB method is a very effective semi-analytical and semi-numerical method for nonlinear vibration of axially moving systems.
数值结果表明了IHB法是一个求解轴向运动体系非线性振动的非常有效的半解析、 半数值的方法。
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。
The vibration of a special kind of nonlinear thin plate shape beam with pulsating fluid is calculated and analyzed in this paper.
对一类特殊的非线性薄板梁结构受振荡流作用下的振动情况进行了计算和分析。
A kind of free vibration equation of the nonlinear dynamical system is solved to study chaotic movement.
为了讨论混沌运动,对一类非线性动力系统的自由振动方程进行了求解。
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。
The deformation and vibration analysis of cables under common loads is therefore a complex nonlinear problem as geometric non-linearity is generally involved.
因此悬索在一般荷载下的变形和振动问题便是一个较为复杂的几何非线性问题。
Considering the geometrical nonlinearity, a new method for the nonlinear random vibration of flexible Tension Leg Platform (TLP) is presented in this paper.
考虑深海柔性张力腿平台的几何非线性特征,建立柔性平台结构非线性随机振动响应分析方法。
Dynamic stiffness for lateral vibration of a viscoelastic floating pile in a nonlinear viscoelastic soil layer is investigated.
该文研究了非线性粘弹性土层中粘弹性悬浮桩侧向振动的动力刚度。
The bending vibration characteristic of a nonlinear cracked rotor is then analyzed. The time frequency characteristics of a cracked rotor after entering double cycle bifurcation are introduced.
然后研究了非线性裂纹转子的弯曲振动特性,给出了进入倍周期分叉后裂纹转子的时域特性和频域特性。
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。
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。
A calculation for period of a single freedom nonlinear conservative system vibrating in a large amplitude is performed, and the period formulae of some typical vibration problems are presented.
简要介绍了单自由度非线性保守系统作大振幅振动时周期的计算方法,并给出了几个常见典型振动问题的周期公式。
The vibration of nonlinear structure is difficult to control precisely by means of linear control theory. A method that combines neural networks with inverse system theory is proposed.
针对非线性结构振动控制难以用线性控制方法精确控制的情况,提出神经网络离散逆系统方法。
By the approach, the paper analyzes the vibration of a nonlinear absorber on the vehicle fitted with wind-driven extinguisher.
用此方法分析了装有非线性减振器风力灭火机车辆系统的振动。
In this paper, we consider the problem of cha OS control in a class of forced vibration system with both square and cubic nonlinear terms and uncertain parameters.
研究了一类同时含有平方项和立方项,且带有不确定性参数的受迫非线性振子混沌控制问题。
By considering the geometrical nonlinearity, a new method for the nonlinear random vibration of a free spanning submarine pipeline is presented.
考虑海底悬跨管道的几何非线性特征,建立了悬跨管道非线性随机振动响应分析方法。
The nonlinear dynamic equation of free vibration to a circular plate for various boundary conditions, with the geometric nonlinear effects taken into account.
计及几何非线性,在各种板边条件下,建立圆板自由振动的非线性动力学方程。
Vibration analysis has been made for a hanging roller blast pulverizer which runs over the vibration standard and its motion equation is a nonlinear differential equation.
对振动超标的悬辊式旋风磨机进行了振动分析,建立了反映磨机运动的非线性微分方程;
A link substructure composed of a group of linear and nonlinear link units, can be used in the free interface modal synthesis technique to set up nonlinear vibration equations.
提出一种由线性连接元和非线性连接元组成的连接子结构,并将这种连接子结构用于自由界面的模态综合技术。
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。
Then concluding that it is a nonlinear of damp vibration.
进而指出这是一种非线性阻尼振动。
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。
From the viewpoint of nonlinear dynamics, a systematic design approach is proposed for the vibration isolation systems with damped elastic stops.
从非线性动力学角度提出一种含弹性和阻尼约束隔振系统的设计方法。
A nonlinear stochastic dynamic model is established which takes into consideration aircraft body pitch movements and the elastic vibration excited by the random runway.
建立了飞机在随机跑道激励下,考虑机身俯仰运动与弹性振动的非线性随机动力学模型。
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