在车辆动力学模型的基础上，建立由3辆拖车组成的列车动力学模型。
Based on a vehicle dynamics model, a 3-trailer train dynamics model is set up.
计算机的计算速度是当前重载列车动力学研究中面临的一个十分突出的问题。
The running speed of computers is a sensible problem faced in the present study of heavy train dynamics.
文中建议了一种判定工程实际问题之非线性数值积分稳定性的实用办法，并成功地应用于重载列车动力学分析。
In the paper, a criterion is also presented to determine the numerical stability of any integration method solving complex nonlinear problems from engineering practice.
基本功能包括模拟操纵功能、列车动力学计算功能、故障判断培训功能、视景和声音仿真功能以及运动仿真功能。
The primary functions of the simulator include operation simulation, kinetics calculation, fault simulation, visual simulation, audio simulation and motion simulation.
文中建议，在组合列车开行之前，应当结合具体情况，进行认真的列车动力学分析，以确保组合列车的安全运行。
Suggests that the train dynamics must be analysed seriously before the train is set in motion in order to ensure its safety.
应用制动动力学理论对旅客列车的纵向冲动作用进行研究。
The longitudinal impulse of passenger trains is researched with the braking dynamics theory.
综合气动性能最佳的高速列车头部形状，可有效地降低空气动力学现象对列车运行和周围环境的影响。
The nose shapes of high-speed trains with optimal synthetic aerodynamic performance can efficiently reduce the influence of the aerodynamic phenomena on the train operation and the environment.
本文首先介绍了列车振动荷载产生和作用的机理，轮轨耦合动力学分析模型，轮轨接触模型和轮轨不平顺模型。
This paper introduces the producing and acting mechanics of the train vibration loads, wheel-rail couple dynamic model, wheel-rail contact model and irregularity model.
本文中研究了神经网络在列车轨道动力学中的应用。
In the paper, a research on neural network used in train track dynamic system is presented.
列车系统的动力学性能不仅直接关系到列车运行速度能否提高，而且影响到列车的乘坐舒适性和运行安全性。
Therefore, a series of research tasks emerge from it. The dynamic performance of train system not only affects the increase of speed, but also the ride comfort and running safety.
列车纵向动力学性能是影响列车运行质量和运行安全的重要因素。
The performance of train longitudinal dynamics has important effect on quality and safety of train running.
由于列车对路基的循环荷载作用，因此改良后的路基还要有优良的动力学特性。
Also, as the cyclic loading effects of the train to the subgrade, the improved subgrade needs to possess quality dynamic characteristics.
随着速度的增加，高速列车空气动力学问题也显露出来，需要加强对气动特性的分析。
With the increase of speed, aerodynamic problems of such trains are emerging. Aerodynamical analysis has got to be strengthened.
本文中研制的高速列车减振器试验台就是为测试减振器动力学特性服务的，为全面研究油压减振器的动力学特性提供了有力的保障。
In this thesis, the high-speed train damper experimental bench is developed to serve testing damper's dynamic characteristics and to present the strong guarantee for studying roundly it.
列车气动试验数据可视化对列车空气动力学研究很重要。
The test data visualization is very useful to study the train aerodynamics.
应用现代计算流体动力学数值方法，首次建立了长大列车空气管系的二维充气特性模型。
By use of modern computational fluid dynamics method (CFD), 2-dimension air-charging characteristics model of the heavy haul train air brake pipe system is built.
冷却风道采用吊装方式安装，避免了焊接对空气动力学牵引端受力的影响，保障了列车的安全运行。
By hoisting the cooling air duct are fully introduced and it avoids the effects of welding on the load of aerodynamics traction components, and guarantees the safe operation of trains.
高速铁路隧道设计参数主要是由高速列车进入隧道所诱发的空气动力学效应确定的。
The determination of design parameters for tunnels on high speed railway is mainly affected by aerodynamic events arising from the running of high speed train in tunnels.
首先，文章对列车空气动力学的理论进行了研究，推导出动车周围三维流场的基本控制方程。
Firstly, it studies the theory of train aerodynamics and derives the basic control equation of the three-dim.
列车驶向对桥隧间刚性短路基过渡性能的动力学影响；
The dynamics performance of short rigid subgrade between the bridge and tunnel was influenced by the train heading;
重载列车在直线、曲线和坡道上牵引、惰行和制动时的动力学性能；
The dynamic performance while heavy haul train traction and braking on straight lines, curves and ramps railway road condition;
建立摆式列车多刚体系统动力学模型、受电弓非线性动力学模型和接触网有限元动力学模型。
The rigid multibody dynamic model of the tilting train, the nonlinear dynamic model of the pantograph and the FEM model of the catenary are set up.
用气体动力学原理建立模型，预测了列车不同编组长度、不同减压量后的缓解性能。
The trains release performance has been predicted by the present mathematical model of trains air brake system, which has been estalished basing on gas dynamics .
针对制动情况下高速重载列车的纵向动力学问题，建立了纵向动力学模型，介绍了求解该模型的方法。
In view of the longitudinal dynamic problems of high-speed and big load trains in braking, the longitudinal dynamic model is set up and the solution method for the model is described.
为了研究列车车头形状的变化，给空气动力学特性带来的影响，尤其是对车头阻力的影响，本文提出了五种列车车头模型。
In order to research how changing the figure of the train head influences aerodynamic characteristics, especially train head, the thesis brings forward five kinds of models of train head.
首先，从频域和时域的角度对路面不平度进行模拟，进而建立一系列车辆动力学模型，并以此作为车辆动载荷分析的基础。
First, road roughness is simulated in frequency and time domain, and some vehicle models are established for the study of vehicle dynamic load.
随着列车车速的日益提高，了解列车空气动力学特性变得越来越重要。
With the improving of speed of train, understanding the aerodynamic characteristics of train becomes more and more important.
的修改包括新的前扰流板，这看起来像是来自前端雪犁列车，以及其他许多美学和空气动力学的修改。
The modifications consist of a new front spoiler, which looks like it came from the front end of a snow plough train, as well as numerous other aesthetic and aerodynamic modifications.
拟设计开发一套便携稳定、低功耗的数据采集、无线监测系统用于列车空气动力学测试试验。
In order to have test on high-speed train aerodynamics, we would like to Design a portable, stable and low-power data acquisition and wireless monitoring system.
因此，本文将从考虑传动系统及机电耦合的角度，对高速列车牵引制动控制及其动力学特性进行深入的研究。
Therefore, this article will study the dynamics and control strategy of vehicle traction and braking systematically by considering the transmission system and the electromechanical coupling relations.
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