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High load high temperature resistant, good performance, and braking stability, mud in winter and bad conditions, the disc brake driving drum brake easier than in a relatively short period of time to stop the car Can collapse in vehicle principls shrinkage occurs when the frontal impact crushing forward, to ensure the shrinkage crew chest from harm CAE simulation technology for application of the original design, the change process, CAE analysis method and combining with engineering design, analysis and design, CAE and the integration of CAD most of the vehicle in the design phase problems can be resolved through simulation, can be in concept design phase is accurately forecast and control components and vehicle performance and reliability, thus in the development initial can make the future product performance and structure index guaranteed.

高负载时耐高温性能好，制动效果稳定，而且不怕泥水侵袭，在冬季和恶劣路况下行车，盘式制动比鼓式制动更容易在较短的时间内令车停下可溃缩式转向柱会在车辆发生正面碰撞的时候向前溃缩，以保证乘员胸部免受伤害 CAE仿真技术进行的全面应用，改变了原来的设计方法和流程，CAE分析和工程设计紧密结合，实现了分析与设计同步、CAE与CAD的一体化使车辆的大多数问题都可以在设计阶段通过仿真得到解决，可以在概念设计阶段就精确地预测和控制零部件乃至整车的性能和结构可靠性，从而在开发初期就能使未来产品性能和结构指标得到保证。

After that, the ECE R95 side impact crash simulation is carried out to analyze the deformation, energy absorption, response of velocity and acceleration of the car and the dummy. The results show the influence of energy absorption to the occupant safety in the side impact crash. Above result of the simulation for the side impact crash of vehicle may provide important information for traffic accident analysis and useful reference for designers.

之后，论文按照ECE R95法规进行汽车有限元模型的侧面碰撞模拟，对模拟计算结果显示的汽车侧面碰撞的变形、能量吸收状况以及驾驶室内假人的速度、加速度等的动态反应进行探讨与分析，由此总结出汽车侧面碰撞时汽车吸能状况对假人承受撞击后的损伤的影响，以上分析结果可为处理侧面碰撞交通事故提供依据，同时可用于将来汽车安全设计的参考。

In the research, the study of car impact test and numerical simulation method are both used. Based on works that have done, an impact model containing car model, dummy and restriction system model was built. According to national regulation, different types of impacts were simulated. The fuel cell auto's impact safety was analyzed, and the injury criterion for occupant can be read out directly by simulation data. The main research content of this project is to set up the fuel cell auto's frontal impact model, side-impact model, rear-impact model and the whole frontal impact model, which contains car model, dummy, restriction system model and so on, and calculating these models.

在本课题的研究过程中，博采众长，坚持创新，在综合分析总结前人研究经验的基础上，将实车碰撞试验研究与仿真计算分析方法结合起来，统一车身耐撞性有限元计算分析与乘员在约束系统作用下的运动响应的多体动力学分析，采用整车虚拟碰撞试验法进行燃料电池轿车的碰撞安全性研究，即建立一个集车辆、人体模型及乘员约束系统三者于一体的完整的车辆模型，以国家安全法规为依据，进行各种碰撞型式的整车虚拟碰撞试验，利用仿真计算结果进行燃料电池轿车的碰撞安全性分析，直接预测乘员的伤情指标。

Dump truck has a propensity to roll over in certain situations. Variable soil conditions, high winds, significant ground slope, and shifting loads contribute to a high risk of rollover for dump trucks, In this study, a dynamic simulation model of a dump truck with triangle rod assembly lifting mechanism was established to study the dumping stability of the dump truck. Through the dynamic simulation of the dump truck model in several typical situations, the dynamic rollover threshold values were determined.

本文主要针对自卸汽车在作业卸载时容易失稳发生侧翻的现象，以某厂三角臂组合式举升机构的自卸汽车为研究对象，建立自卸汽车整车虚拟样机模型，综合考虑影响自卸汽车作业稳定性的各种主要因素，对自卸汽车的作业稳定性进行仿真分析，找出了自卸汽车侧翻的临界值。

To accurately estimate the passenger mustering capacity and facility utilization, the characteristics of passenger mustering and evacuation in large scale railway station were analyzed. Based on the proposed simulation flow, an effective microscopic simulation model of railway station is developed by path planning, node selection and decision perception.

为准确预测大型铁路客运站旅客聚集能力和设施利用程度，分析大型铁路客运站旅客集散特点，提出旅客集散仿真的基本流程，构建基于个体活动的旅客集散微观仿真模型。

Numerical simulation shows that the location and intensity of the modeled high and low pressure centers is consistent with the observation. The pressure gradient intensity of cyclone closes to observation. The regional distribution, transportation direction, centers of the cold, worm advections have similar characters with fact. On the other hand, the temperature stratosphere simulation result is slightly bigger than the fact.

数值模拟结果表明，模拟高压、低压中心位置和强度与实况较为吻合，气旋的气压梯度强度与实况较为接近；冷暖平流在分布区域、输送方向、强中心位置上也与实况具有较相似的特征，但是温度平流模拟的结果在量值上略大于实况。

The architecture and implementation of the model, called MADES, are introduced.5 A direct execution simulation environment, SimulAgent, based on the modification of IBM Aglets, is built to implementing the SMA model and the MADES model and is applied to the simulation and performance evaluation of mobile agents.

讨论了MADES的结构以及仿真实现方法。5对现有的移动Agent平台IBM Aglets加以改进，建立了一个符合SMA规范和MADES模型的移动Agent直接执行仿真原型环境SimulAgent，并已经将该环境初步应用于移动Agent算法的仿真和性能评价。

Based on the different training subject requirements of avion simulation system, this thesis puts forward two ways to evaluate avion simulation system fidelity quantificationally and qualitatively and apply them to study and solve the optimization combination problem of visual and moving plate-form.

根据训练科目对军机仿真系统的不同需求，提出了以定量和定性两种综合评估军机仿真逼真度的方法，并应用此方法研究和解决了视景显示与动感系统的最佳组合问题。

As a branch of modern simulation technology, integrated avionics simulation is the outcome of the system emulation technology and the avionic integrated system combined.

综合航空电子仿真系统是系统仿真技术与航空电子综合系统相结合的产物，是现代仿真技术的一个重要分支。

The data acquisition system simulated the function of data acquisition that ship model tank did. The simulation test system estimated the real-ship resistance, ship resistance estimation is an important content to determine its speed, and analyze the quality during the early stage. This simulation system mainly estimated the ship resistance with Ayre method and navy constant method, then compare the result with ship model test.

其中，数据采集系统模拟船模试验水池数据采集功能而进行模拟仿真，模拟试验系统主要进行实船船舶阻力估算模拟，船舶阻力估算是船舶方案设计初期的一项重要内容，以确定船的航速，便于初步分析比较各种方案的优劣，系统主要针对船舶总阻力估算方法中常用的爱尔法和海军常数法进行模拟仿真。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。