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In this paper, the symmetrical compenents of port currents arc first found in accordance with the network theory by solving the fault equations of a multi-port. Then emphasis is placed on the derivation of mathematical models and numerical calculation methods of ( primary ) electric quantities, which are usually used in the setting of relay protective devices or the analysing of their operating characteristics by directly using the Z-bus equations of the the faulted power system. 本文首先利用口网络理论,根据故障方程解出各序网故障口电流,然后着重论述直接用电力系统故障时的节点阻抗方程,导出继电保护装置整定或工况分析中有关常用电气量值(一次值)计算的数学模型及数值解算法。 In this paper we have developed a program for three dimensional ray tracing of whistler-mode waves in which the IGRF model was adopted. Ray tracing computations using the present program have been carried out, and the results of computation are compared with those previously obtained by means of a dipole model. 本文给出了采用IGRF模型的哨声模波三维射线跟踪方程,并概述了射线跟踪模型及数值计算程序。文中对分别按IGRF模型和偶极子场模型计算的结果进行了比较和初步的论讨。 A mathematical model of multi-stage semi-conductor thermoelectric refrigeration in the transient state is presented and a numerical analysis is made of the two-stage types. A comparison is carried out between the numerical solution and the experimental results, which proves to be well coinciding with each other. The mathematical model established and the numerical analysis presented can serve as the guideline in the design and analysis of thermoelectric refrigeration. 本文建立了多级半导体温差电冷台瞬态分析的数学模型。对二级半导体温差电致冷装置的瞬态性能进行了数值分析,并将数值结果和实验情况进行了对比,吻合良好。本文建立的温差电冷台数学模型及数值分析对半导体温差电致冷装置的设计和性能分析有一定指导意义。
模型及数值
model and numerical
Distributed Parameters Dynamic Model and Numerical Simulation of Evaporator in Automobile Air Conditioning 汽车空调蒸发器分布参数动态模型及数值仿真 短句来源 Optimization Model and Numerical Calculation of the Cathodic Protection System for Marine Structure 海洋结构物阴极保护优化模型及数值计算 短句来源 Physical model and numerical simulation of intense pulsed electron beam surface modification 强流脉冲电子束表面改性的物理模型及数值模拟 短句来源 Interior Ballistic Model and Numerical Simulation of Solid Traveling Charge 固体随行装药内弹道模型及数值模拟 短句来源 Multicomponent Diffusion Model for Effectiveness Factors of Porous Catalysts (I) Multicomponent diffusion model and numerical computing method 多孔催化剂效率因子的多组分扩散模型 (Ⅰ)多组分扩散模型及数值计算方法 短句来源 更多 model and its numerical
THE INTERIOR BALLISTIC PARTICLE TRAJECTORY MODEL AND ITS NUMERICAL CALCULATION 内弹道颗粒轨道模型及数值计算 短句来源 Nuclear Pair Shell Model and Its Numerical Calculation(I) 原子核的配对壳模型及数值计算(I) 短句来源 Brief presentation on weakly compressible flow model and its numerical solution 弱可压缩流体流动模型及数值求解 短句来源 Geological History Model and Its Numerical Simulation of Coalbed Methane Emission for Multi-Coal Seams 煤层气多煤层扩散逸失地质历史模型及数值模拟 短句来源 Based on groundwater flow model,stress model ,and the relation between seepage pressure and stress in fractured rock mass,the fracture network model and its numerical technique of coupled seepage and stress fields in fractured rock mass is proposed in the paper. 本文通过分析岩体裂隙网络渗流场、应力场以及它们之间的相互力学关系，提出了岩体渗流场与应力场耦合的裂隙网络模型及数值计算方法。 短句来源 “模型及数值”译为未确定词的双语例句
A Simple Model of R P Defects Evolution 退火过程中R_P缺陷模型及数值模拟 短句来源 A GAS SOLID TWO PHASE FLOW REACTION MODEL OF FCC RISER REACTORS AND ITS NUMERICAL SIMULATION Ⅲ.Numerical Modeling on the Reaction Terminating Technique 提升管反应器气固两相流动反应模型及数值模拟 Ⅲ.注终止剂技术的数值模拟 短句来源 Coupled dynamic model of light non-aqueous phase liquid transport in subsurface and its numerical solution 非水相液体传输的耦合动力学模型及数值解 短句来源 Study on Model for Detecting Concentrated Seepage in Dam by Temperature and Its Numerical Experiment 堤坝集中渗漏温度场探测模型及数值实验 短句来源 A Nonlinear Seepage Flow Model for Deformable Double Media Fractal Gas Reservoirs 变形双重介质分形气藏非线性渗流理论模型及数值研究 短句来源 更多 
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A mathematical model and numerical method are developed and used to investigate nonstationary flow and heat and mass transfer regimes in a melt appropriate to the conditions of Czochralski crystal growth.
The developed mathematical model and numerical codes are used to estimate the sensitivity of thermomechanical reading of data with the device structure filled with various inert gases such as helium, neon, and argon.
Mathematical model and numerical simulation of faceted crystal growth
Two-dimensional mathematical model and numerical simulation describing the melting process of cylindrical basalt bed
Stimulated Brillouin scattering in optical fibers is described by a theoretical model and numerical analysis.
更多 model and its numerical
In the context of this ameboid cell model and its numerical implementation, simulations involving multicellular interaction, detailed internal signaling, and complex substrate geometries are tractable.
The mathematical model and its numerical approximation are carefully addressed and several test cases are considered.
We present a finite element scheme for our model and its numerical stability is given under suitable CFL conditions.
In order to remove the artifact and to form reliable edges, a nonlinear semi-discrete model and its numerical algorithm are suggested along with anisotropic edge-forming numerical schemes.
Finally, a discussion about the implications of our analytical model and its numerical results is given.
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