查询词典 nonlinear vibration

The numerical examples of linear and nonlinear vibration demonstrate that barycentric Lagrange interpolation collocation method have advantages of simple formulations, easier to program and higher computational accuracy.

线性和非线性振动问题的数值算例表明，重心Lagrange插值配点法具有公式简单、数值实施方便和计算精度高的优点。

Singular perturbation theory and method for solving nonlinear problems is an important tool on the origin of celestial mechanics and nonlinear vibration problems,and its advantage is enough to give the right solution for structural analysis.

奇异摄动理论和方法是求解非线性问题的重要工具，它起源于对天体力学和非线性振动问题的研究，它的优点是能够给出足够正确的解的解析结构。

Random parameters ; multi degree of freedom nonlinear vibration systems ; reliability ; statistical fourth moment method ; Edgeworth series

随机参数；多自由度非线性振动系统；可靠度；四阶矩技术； Edgeworth级数

Taking temperature variation into account, nonlinear vibration of elliptic paraboloid cable net made of carbon fiber cables was investigated under excitation of main structure displacement.

在考虑温度变化的基础上，研究椭圆平面双曲抛物面碳纤维索网在主体结构激励下的非线性振动问题。

Based on nonlinear vibration theory, the 8 DOF nonlinear tank suspension model is established.

基于非线性振动理论，建立了8自由度的坦克悬挂系统的非线性模型。

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。

Neural networks ; prediction control ; optimum control ; vibration control ; nonlinear vibration system

神经网络；预测控制；最优控制；振动控制；非线性振动系统

In order to study the primary resonance and primary parametric resonance of a rectangular deck plate subject to harmonic disturbances in temperature field, by applying elastic theory, a nonlinear dynamical equation in partial differential form for the plate is established first. Then the nonlinear vibration equation in ordinary differential form is obtained based on Galerkin's method.

为了研究温度场中桥面矩形薄板受简谐激励的主共振－主参数共振问题，应用弹性力学理论建立其动力学方程，应用Galerkin方法将其转化为非线性振动方程。

Based on the nonlinear dynamical model of the rotor-bearing system with rub-impact fault, the stability of the periodic motion of the system in unbalance-rotating speed plane and rotor/stator clearance- rotating speed plane were studied by the continuation-shooting algorithm. The system periodic motion and its stability were obtained. An experimental setup was developed to investigate nonlinear vibration characteristics of such rotor bearing system.

根据碰摩转子轴承系统的非线性动力学模型，利用延拓打靶算法，在碰摩转子轴承系统不平衡量-转速和碰摩间隙-转速参数域内，研究系统的周期运动及其分岔失稳等动力学行为，得到了系统周期运动的稳定性及失稳规律；建立了研究转子轴承系统碰摩故障的实验装置，通过实验，研究了转子系统碰摩故障的非线性振动的特征。

Secondly, the nonlinear vibration of a mono-degree of freedom rotor supported by the AMBs is investigated also. With the altering of the PID controllers parameters, the typical nonlinear phenomena such as softening/hardening spring characteristic, jumps and separation of the resonance curve can be observed and analyzed.

其次，对PID控制的单自由度电磁轴承—转子系统由于力—电流／位移的非线性特性引起的非线性振动进行了分析研究，当控制器参数改变时，系统表现出软／硬弹簧特性，分析了主共振区的跳跃谐振及谐振曲线的分离现象。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。