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动态数值仿真
相关语句
  dynamic numerical simulation
     STUDY ON DYNAMIC NUMERICAL SIMULATION OF MINING-INDUCED SUBSIDENCE
     开采沉陷动态数值仿真研究
短句来源
     Dynamic Numerical Simulation of the Test Procedure of the Tightness of the Vacuum System of a Steam Turbine
     汽轮机真空系统严密性试验过程的动态数值仿真
短句来源
     Three-Dimensional Dynamic Numerical Simulation of Stability of Rocky High Slope in a Through Cut and Its Treatment Measures
     某路堑岩质高边坡稳定性的三维动态数值仿真模拟及其治理措施
短句来源
     Three composition parts of dynamic numerical simulation are put forward clearly e.g., building the dynamic numerical simulation model, designing the simulation process and the output controls of the simulation computation results.
     明确地提出了动态数值仿真分析的三个基本组成部分,即:仿真计算模型的建立——仿真过程设计——结果输出的控制与分析。
短句来源
     Dynamic numerical simulation of overburden movement and bed-separation development laws
     开采覆岩离层发育规律的动态数值仿真分析
短句来源
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  digital dynamic simulation
     DIGITAL DYNAMIC SIMULATION OF A HIGH-TEMPERATURE WATER-GAS SHIFT REACTOR
     中温变换反应器的动态数值仿真
短句来源
  “动态数值仿真”译为未确定词的双语例句
     Dynamical Simulation for Multi Aquifer Systems
     地下水多层含水层系统的动态数值仿真
短句来源
     Application of dynamical digital simulation to aircraft environment system
     动态数值仿真在飞机环控系统中应用
短句来源
     Each part should connect tightly with the study results of engineering geological condition and the deformation and failure of rock mass in the investigated area.
     每一部分都与相应的工程地质条件和岩体变形破坏的研究紧密结合在一起,动态数值仿真是整个地质作用过程和人类工程活动过程的模拟,是计算结果与不断获得的野外地质信息和岩体变形破坏迹象反复耦合的交互式动态分析过程。
短句来源
     Furthermore, the dynamics model of principal axis system of the cutting tube machine is build, and then the dynamic simulation for equilibrium and running stability of the system is conducted by employing MATLAB/SIMULINK.
     进而建立了切管机主轴的动力学模型,采用MATLAB/SIMULINK对主轴系统运转平稳性和切削稳定性进行动态数值仿真
     Design of numerical emulationsystein for reservour perforinances
     油藏动态数值仿真系统设计
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  dynamic numerical simulation
In addition, dynamic numerical simulation was conducted in the corresponding condition.
      
CTC analyzed the mechanics of the fuze using an advanced dynamic numerical simulation code.
      


he numerical emulation system is a comprehensive system,its functions include reservoirparameter ptocessing ,numerical simulation of reservoir and wellbore -realtime image anal-ysis of reservoir parameters ,Chinese system ,text editing and graphical tools. With it reser-voir engineer can conveniently prepare the input data of reservoir numerical sirnulation ,oper-ate the simulator,analyze the output data of simulation by image analysis systeni and makegraphical or table reports with its Chinese system ,text...

he numerical emulation system is a comprehensive system,its functions include reservoirparameter ptocessing ,numerical simulation of reservoir and wellbore -realtime image anal-ysis of reservoir parameters ,Chinese system ,text editing and graphical tools. With it reser-voir engineer can conveniently prepare the input data of reservoir numerical sirnulation ,oper-ate the simulator,analyze the output data of simulation by image analysis systeni and makegraphical or table reports with its Chinese system ,text editor ,and graphical tools. This paperintroduces the general structure and design methods of this system according to the objectoriented prograniming technology and the layout of its development.

油藏动态数值仿真系统是将油藏静动态参数处理、油藏井筒一体化数值模拟、油藏静动态图像分析、汉字系统、文本编辑及图形工具等几部分有机地组合起来,能方便迅速地处理生成油藏模拟要求的各种数据,进行油气田开发动态过程的模拟并对各种参数汤进行实时动态图像分析的综合系统。它是现代油藏数值模拟技术适应计算机高速发展的必然结果,本文运用面向对象的程序设计技术和计算机图像技术,介绍了设计常规油藏的动态数值仿真系统的方法,并探讨这一系统的发展前景。

On the basis of the case in Zhengzhou City, this paper analyses a series of hydrogeological disaster because of the city expansion and industry development which caused the increase of mineral quantity of groundwater. These disasters include exhaustion of some areas groundwater resources, aquifer draining, increased wells interference and pumping cost, land subsidence, surface collapse, underground engineering submergence; soil salinization, and so on. The models of the quasi three dimensional dynamical emulation...

On the basis of the case in Zhengzhou City, this paper analyses a series of hydrogeological disaster because of the city expansion and industry development which caused the increase of mineral quantity of groundwater. These disasters include exhaustion of some areas groundwater resources, aquifer draining, increased wells interference and pumping cost, land subsidence, surface collapse, underground engineering submergence; soil salinization, and so on. The models of the quasi three dimensional dynamical emulation are built for control and optimization of the groundwater seepage field in study area. The groundwater flow is emulated with heterogeneous isotropic seepage model, and the partial differential equations are solved with finite difference scheme of irregular triangle net. Firstly, the inverse problem is solved for parameters calculating, then the positive problem is solved to calculate groundwater resources, and the groundwater field in the future is predicted under the condition of planned pumping from 1996 to 1998. By optimal control of seepage field of the groundwater, the hydrogeological disasters will be reduced to its minimum in overall research area.

以郑州市为例,针对城市区域长期过量开采地下水导致的一系列严重的环境地质灾害,诸如地下水水位持续下降形成区域地下水降落漏斗并不断扩张、含水层疏干、供水井吊泵、泉水断流、地下建筑工程浸没、地面沉降和塌陷等,探讨了城市地下水流场人工调控的减灾方案。建立了地下水系统的准三维动态数值仿真模型,以非均质各向同性渗流模型仿真地下水流,用不规则三角网格有限差分法求解了三维数值仿真模型。先解逆问题反求参数,再解正问题计算地下水各项资源量,数值仿真预报地下水渗流场至1998年。在此基础上,通过地下水渗流场的宏观调控与优化管理,使研究区内不合理开采地下水资源所引发的环境灾害减小到最低程度,为郑州市的环境减灾工作提供了科学依据。

Airplanes in the future will use HVDC (High Voltage Direct Current) mains as their electric power supply to improve its reliability, fault tolerance, and adaptability under harsh environment. Switched reluctance generator (SRG) is said to be the only kind of generator which can meet these requirements and at the same time is cost effective . We here present a 4 kW SRG designed by us. We first established a non linear mathematical model of SRG (eq.3). Such a model describes the three main parts of SRG...

Airplanes in the future will use HVDC (High Voltage Direct Current) mains as their electric power supply to improve its reliability, fault tolerance, and adaptability under harsh environment. Switched reluctance generator (SRG) is said to be the only kind of generator which can meet these requirements and at the same time is cost effective . We here present a 4 kW SRG designed by us. We first established a non linear mathematical model of SRG (eq.3). Such a model describes the three main parts of SRG reluctance motor, power converter, and controller as a strongly coupled unit. We did steady state phase current simulation ( Fig.4a ), and 4 kW loading dynamic response simulation (Fig.4b) based on eq.(3). Fig.1 shows the schematical diagram of the SRG. Fig.5 gives the test results of electric power generation under the conditions of varying speed and varying load, which are similar to actual operating conditions in an airplane. Test results show that our SRG can meet the requirements of U.S. military standard of aircraft electric power characteristics MI L STD 704E.

建立了开关磁阻发电机非线性数学模型,进行了稳态及动态数值仿真;设计了4kW发电机样机,并给出了6000~12000r/min变速、0.1~2.2kW变载、恒压270V直流发电试验结果。

 
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