查询词典 simulation

In this study, the traditional angular spectrum method of diffraction simulation is improved. By introducing band-with limitation, a new method is put forward, which is suitable for diffraction simulation both in far and near field.

本文对传统的角谱法衍射计算做出改进，通过引入带宽限制给出一种新的衍射计算方法，能同时兼顾近场和远场的衍射分布计算。

Simulation model and experimental prototype of direct-driven WECS were built,then the application of proposed control strategy was verified by simulation and experiment.

建立了永磁直驱风电系统仿真模型和实验样机，并对所提控制策略进行了仿真和实验验证。

It has improved the accuracy of calculation of the numerical simulation effectively and carried on three-dimensional flow simulation emulation to draft tube and analyze the result finally.

并最终对尾水管进行了三维流场仿真计算和结果分析。

Applying the software ADAMS for dynamic simulation and Pro/E for three-dimensional design creates the mechanical system of virtual prototyping model of the 200t crawler crane. The models of the drag bar, the spring backstop, the luffer rope and the crawler in the system are established well by ADAMS/View module. The dynamic simulation of the complete mechanical system is researched at series of work condition, which occurs possibly the crawler crane boom backward tipping as the crawler crane unloads suddenly.

本文应用虚拟样机技术动力学仿真软件ADAMS，结合三维实体设计软件Pro/E构建了200t履带起重机的虚拟样机机械系统模型，并利用ADAMS/View模块完善了系统中拉板、弹簧式防后倾装置、变幅钢丝绳和履带模型：研究了履带起重机突然卸载时可能发生臂架后倾的一系列工况下，整机机械系统模型的动力学仿真。

For the sake of the convenient application of the unsteady flow simulation of drainage system, the block diagram-oriented dynamic simulation methodology for the drainage pump station is studied based on the SIMULINK platform.

为了便于排水系统非恒定流模拟技术的应用，该文在SIMULINK平台上对面向结构图的排水泵站可视化仿真途径进行了探讨。

The method of kinematics analysis for four bar mechanism is used to the kinematics analysis of the roller chain drive,and the simulation of the driving process of the chain drive is carried out by an Windows program Curve of the instantaneous ratio is performed The computer simulation of the kinetic property of the roller chain drive is implemente

铰四杆机构的运动分析方法可用于链传动运动特性的精确分析，采用WINDOWS编程对链传动的运动过程进行了模拟，并对链传动瞬时传动比作出了曲线，实现了链传动运动特性的计算机模拟分析。

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。

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了，您现在高兴了，"她说道，这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说：＂失节的以色列比失信的犹大，更显得正义。