查询词典 simulation

Distributed interactive simulation technology has developed for decades andapplied to diverse industries. It is now enhanced with the development of computerhardware and network technology, and also modeling technology, virtual realitytechnology, software technology, and so on. On the other hand, people are bringingforward more and more requirements on distributed interactive simulation applications.Supports of distributed simulation systems are required on applications that involves inmassive complex simulation environment and large quantity of simulation nodes andentity objects, such as military simulation, online games. These requirements ask forhigh scalability of simulation support platform.

随着计算机硬件和网络性能的显著提高，现代建模技术、虚拟现实技术和软件技术等技术的发展，给已经发展了几十年的、深入各行各业的分布式交互仿真注入了新的内容和活力；而在另一方面，随着社会的进步，人们对分布式交互仿真的需求也越来越广泛，要求也越来越高，特别是在军事仿真、网络游戏等领域涉及到大规模仿真环境和大量仿真节点及实体的应用，需要分布式交互仿真系统的支持，这就对仿真支撑平台的可扩性提出了较高的要求。

Imitate of the eddy that take off body (Detached-Eddy Simulation, DES) is the mean square of Reynolds of a kind of union that appears in recent years law and imitate of big eddy numerical value are both the onflow imitate method of the advantage.

梗概： 脱体涡模拟(Detached-Eddy Simulation，DES)是近年来出现的一种结合雷诺平均方法和大涡数值模拟两者优点的湍流模拟方法。

Simulation which is based on MATLAB is the product of Mathworks company, which is one of the par excellence simlation integration environment in the field of dynamic simulation.

仿真软件开发平台——基于MATLAB的Simulation，是Mathworks公司推出的动态系统仿真领域中最为著名的仿真集成环境之一，在各个领域中得到广泛应用。

This work contributed essentially to optimal planning of refinery management. A strategy for solving the decision problem of short—term refinery planning is proposed, that is, to obtain the real time information of unit operations and environmental conditions by means of computer simulation, to dynamically configurate and modify the decision model depending on both simulation and expert reasoning, to make decision analysis and short—term production plan with the aid of expert simulation system. In this paper, a new approach cellad ESDSS was proposed by integrating DSS and expert simulation system . As a case study of ESDSS, a so called RESDSS was constructed, which is composed of seven subsystems, namely: data base subsystem, model base subsystem, method base subsystem, knowledge base subsystem, experiment base subsystem, human computer interaction subsystem, and expert simulation executing subsystem. The main results and contributions of this work are as follows:(1) A novel approach of DSS named ESDSS was proposed, which integrates DSS and ESS.

本文关于炼油生产专家仿真决策支持系统原型的研究从炼油企业优化生产管理的角度出发，以&利用仿真技术获取装置操作和环境条件的动态变化信息，依靠专家方法仿真实现决策模型的生成和修改，凭借专家仿真决策支持系统辅助高层领导者实施决策分析和制定短期生产计划&作为炼油生产短期计划决策问题的求解策略，在综合考虑决策支持系统（Decision Sup-port Systems，简称DSS）和专家仿真系统（Expert Simulation System，简称ESS）特点的同时把这两个系统结合在一起而提出&专家仿真决策支持系统（Ex-pert Simulation Decision Support System，简称ESDSS）&这一新的构思。

Detailed explaining the design method of the simulation scenario database and applying it to build a example database.4. Presenting the significance, structure, function and implementation of Traffic Intersection Simulation System, which was developed by the authors team. Combined the work forenamed, introducing the design and development of the data structure and database of the system.

结合笔者所在团队开发的交通路口微观仿真系统(Traffic Intersection Simulation System，简称TiSS)所做的工作，介绍了TiSS的开发背景与意义，详细分析了系统结构与功能，并结合前文完成的研究工作，重点介绍了仿真场景中数据结构及数据库的设计与开发工作。

In order to study the geometry effect on the performance of the louvered fin heat exchanger, a two dimensional numerical model is established for air side heat transfer and fluid flow characteristics for a type of louvered fin surface and the related numerical simulation is conducted.

heat transfer and flow characteristics ； numerical simulation ；为研究百叶窗翅片几何结构对换热器性能的影响，采用二维计算模型，对空气流经一种类型的百叶窗翅片的传热和流动特性进行了数值模拟，获得了百叶窗翅片的温度场、速度场和流线图。

With the rapid developments of science and technology, the modern avion simulation system faces two requirements. One is function requirement and the other is technology renovation requirement. As to the first requirement, functions of modern avion are becoming more and more abundant, which causes the flight simulation training change greatly. As to the second requirement, with the development and adoption of new technology, high verisimilitude requirements are raised to avion simulation system.

中文题名现代军机飞行仿真系统的研究副题名外文题名 A study on modern avion flight simulation system 论文作者黄安祥导师李明陈宗基学科专业导航、制导与控制研究领域\研究方向学位级别博士学位授予单位北京航空航天大学学位授予日期2003 论文页码总数150页关键词军用飞机飞行仿真系统仿真馆藏号BSLW /2003 /V271 /3 随着科学技木的飞速发展，现代军机仿真训练系统面临两大需求：一是功能需求，现代军机功能的增强，使飞行仿真训练内容发生了较大变化；二是技术更新需求，新技术的发展及其在仿真系统中的应用，对军机仿真系统的逼真度提出了更高的要求。

A lot of fieldworks have been done to collect the runtime data of the workshop in several famous shipyards. A survey is carried out among the workers and engineers to get the important information during practical production, such as production process, resource distribution, facility layout, etc. A simulate software named SSHM (Simulation for Ship Hull Manufacturing) is developed for the design of the automated ship hull manufacturing workshop by using object-oriented methodology. Analysis and Evaluation of productivity for the design project is also carried out.

在对几家大型造船厂的钢料加工车间的实地调研和考察之后，分析了某车间运行的实际情况；对该车间的主要的技术操作员和专家采用问卷调查的形式进行了咨询，获取了大量的实际生产过程的重要信息；对车间目前的工艺流程、资源分配、规划布局和实际生产过程的大量生产数据加以分析和整理：利用面向对象的方法建立加工车间的系统模型和仿真模型，开发了模拟钢料加工车间自动化生产的仿真软件SSHM (Simulation for Ship Hull Manufacturing)，并对仿真设计方案的生产效率进行了分析和讨论。

Chapter 4 and chapter 5 are about simulation methodology. In chapter 4, the design idea and techniques of implementing intelligent simulation of dam concrete placement system are clarified and the simulation research method of separating experiments from models is introduced. On the basis of the research, the simulation function structure frame of dam concrete placement system is constructed, which makes the simulation software system of dam concrete placement become a general-used and intellectualized simulation study environment in which simulation modeling, experiments and analysis are integrated.

第四章和第五章是仿真方法论，第四章主要讨论实现大坝砼浇筑系统智能化仿真的设计思想与方法，并介绍了仿真实验与仿真模型相分离的仿真研究方法，在此基础上构造出大坝砼浇筑仿真系统的功能结构框架，使得大坝砼浇筑仿真系统成为集仿真建模、实验和分析于一体的通用型、智能化仿真研究环境。

Using the MAGIC PIC simulation program,the author simulated the S-band RTSA,studied the two-stream interaction mechanism and deeply understood the two-stream instability that generates the microwave amplification.

标 签 MAGIC 粒子模拟相对论双流放大器双流不稳定性 S波段 MAGIC PIC simulation Relativistic Two-Stream Amplifier two-stream instability S-band

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。