lateral vibration

Lateral vibration analysis of train-bridge time varying system

列车-桥梁时变系统的横向振动分析

The analysis in the paper considers that the security of moving train on bridge is directly related to the derailment of the train, and the mechanism of the derailment mechanics is in essence the buckling of lateral vibration of train-bridge system.

分析指出桥上列车走行安全性主要是指桥上列车是否脱轨。提出桥上列车脱轨的力学本质是列车桥梁系统横向振动丧失稳定。

In this paper, the influence of thrust and air drag on rocket lateral vibration is studied, and the frequency reduction under the thrust and drag is analyzed. The formulas for evaluation of the changes of frequencies and vibration modes are obtained.

文章重点讨论了推力和空气阻力对火箭横向振动频率和振型的影响，分析了在推力和阻力作用下频率降低的原因，给出了推力对振型频率影响的估计式。

At present, axial load and excited origin of drilling string lateral vibration is usually neglected.

目前对钻柱横向振动的研究基本上忽略了横向振动的激发来源和轴向力的存在.

This paper analyzed the practical situation of drilling string lateral vibration during drilling, established mechanical model.

文章针对钻井工程中钻柱横向振动的实际情况, 建立力学模型.

Self-Adaptive Fuzzy Control Method for Lateral Vibration of Heavy-Duty Locomotive

重载机车横向振动自适应模糊控制技术

The effect of initial deflection on nonlinear lateral vibration of drill stem

初弯曲对钻柱横向非线性振动的影响

An Analysis to the Mechanical Vibration of the Testing Bench of Fastener Lateral Vibration

紧固件横向振动试验台机械振动分析研究

Optimal Control of Lateral Vibration Dynamic System for A Bit of Hole Digger

一类挖坑机械钻头横向振动系统的最优控制问题

Based on vehicle-bridge coupling vibration theory and the structure of through steel plate girder bridges, an optimum method to strengthen the bottom transverse beams of the existing trough steel plate girder bridges is developed for the improvement of the lateral vibration in the bridges.

根据车桥耦合振动理论，结合下承式钢板梁桥构造，提出采用最佳下平纵联尺寸的加固方法，提高钢板梁桥刚度，改善桥梁横向振动。

It points out that in tunnel, the lateral vibration acceleration of the car body can reduce by about 30%.

指出在隧道内，车体的横向振动加速度可减少30%左右。

Investigation of the Lateral Vibration of Flexible Footbridges

柔性人行桥侧向振动的研究

Lateral Vibration Analyses of Flying Vehicle under Thrust and Drag

在推力和阻力作用下飞行器横向振动分析

by using this analysis system, the influence on capsizing stability of emu was studied from the different factors, such as weight of the vehicle, height of the barycentre, lateral vibration acceleration, curve radius, curve superelevation.

最后利用车辆倾覆稳定性分析系统研究了车体自重、重心高、横向振动加速度、曲线半径、曲线超高等因素对动车组倾覆稳定性的影响，并给出提高动车组抗倾覆性能的方法。

From the calculating results, the main frequency of rail and sleeper lateral vibration is low.

从计算结果可知, 轨道结构的横向振动频率较低,且钢轨与轨枕的横向振动主频相接近.

With lateral vibration model of wheel set and vehicle given, this dissertation has induced differential equation and compiled simulation programs;

给出了单个轮对和车辆通过曲线时的横向振动模型，推导了相应的微分方程组并编制了仿真程序；

Test of Lateral Vibration of Light Pier Bridge and Study of Reinforcement

轻型墩桥梁横向振动检测与加固研究

The Natural Vibration Performance Analysis of Lateral Vibration for the Launch Vehicle of Strap-on Boosters

捆绑式运载火箭横向振动的固有特性分析

A double membrane structure of fiber-optic seismic sensors is proposed, whose structure can effectively restrict lateral vibration sensors.

提出了一种双膜片结构的光纤光栅式地震传感器，该结构可以有效的限制传感器横向振动。

The drill fluid in the drill stem increases the inertia of lateral vibration.

钻柱内的钻井液增加了钻柱横向振动的惯性质量.

Lateral Vibration Modal of Strap-on Launch Vehicle

捆绑火箭的横向振动模态

Established vehicle lateral vibration mathematical model on the based theory of random vibration calculating maximum offset quantity generated by lateral vibration that instanced general flat car.

根据随机振动和系统理论，以普通平车为例建立了计算车辆横向振动最大偏移量的数学模型；

this paper designed a new grain lateral vibration plane screen on the basis of analyzing the current grain-cleaning machine.

针对目前谷物清选机械中存在的一些问题进行了分析，设计了一种新型的横向振动平面清选筛。

Stochastic Analysis Method of Lateral Vibration Energy for Train Track Time Varying System

列车-轨道时变系统横向振动能量随机分析方法