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数值模型     
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  numerical model
    A Numerical Model for Predicting the Kinetics of Anisothermal Oxidation of Metals
    预测金属非等温氧化动力学的数值模型
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    Investigation of Basic Problems of the Numerical Model for Powder-feed Laser Cladding
    送粉式激光熔覆数值模型基本问题研究
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    Numerical model and rapid algorithm of solute redistribution i n dendritic solidification
    枝晶凝固过程溶质再分配的数值模型和快速算法
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    Prediction of solidification path of Al-1.5Cu-3Zn from experimental phase diagram and numerical model
    由实验相图和数值模型对Al-1.5Cu-3Zn合金凝固路径的预测
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    Numerical model of heat input from rotational tool during friction stir welding
    搅拌摩擦焊接热输入数值模型
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  numeric model
    NUMERIC MODEL OF WELDING TEMPERATURE IN FRICTION STIR WELDING AND AFFECTING FACTORS
    搅拌摩擦焊焊接温度数值模型及其影响因素
短句来源
  numerical value model
    The numerical value model can calculate the temperature distributions inside the metal at any time and at any location.
    建立的数值模型可以确立炉内任一时刻、任一位置金属内部温度分布曲线.
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    It is the numerical value model and method about austenitic crystalline grain of steel auxiliary measured by the computer. On the microscope magnification for 100x condition,the average chord value of grains is =1i∑ii=1l i. In per 645.16?
    概述了计算机辅助测定钢的奥氏体晶粒度的数值模型和方法,在显微镜放大100 倍条件下,晶粒的平均弦值珋l = 1i ∑ii-1li,每645 .16 m m2 面积内晶粒的平均数n =522 .5796/珋l2 ,图像处理系统采用二值化函数和边缘检出与提取的方法进行图像分析和晶粒计数。
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  “数值模型”译为未确定词的双语例句
    Numerical Simulation and Experiment of Temperature Field of Laser Cladding
    激光熔覆三维温度场数值模型的建立与验证
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    Numerical Simulation for the Sacrificial Layer Etching Used Hydrofluoric Acid
    氢氟酸腐蚀牺牲层数值模型及计算机仿真
    The numerical simulation on studying of temperature field of the laser cladding
    激光熔覆三维温度场数值模型的建立与计算
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    Manufacturing Characteristics Based Numerical Surface Model of Microminiatute Component
    基于制造特性的微小型构件表面形貌数值模型
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    To verify the FE models, the calculated data of transient temperature field and axial shortening were compared to the measured ones.
    为了验证数值模型的可靠性,本文针对GH4169合金大环形件惯性摩擦焊接过程的温度场与轴向缩短量分别进行了实验对比研究。
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  numerical model
Based on the basic principles of the micrometeorology of atmospheric boundary layers and vegetation canopy, a numerical model of the interaction between forest ecosystems and atmospheric boundary layers was developed.
      
Kinetic theory was introduced to establish a 3D kinetic numerical model for wavelike slug gas-solid flow in this paper.
      
The flows were also analyzed using a numerical model of the three-dimensional turbulent flow in the pumps near the peak efficiency point using the k-? turbulence model and the VOF cavitation model.
      
A three-dimensional physical and numerical model of the basic pulse tube refrigerator (PTR) was developed.
      
The numerical model of automaton behavior is helpful in applying algebraic tools to solve the functional behavior renewal problem.
      
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  numeric model
A numeric model for the kinetics of water vapor sorption on cellulosic reinforcement fibers
      
The representation of the surface pressure field in a two-dimensional hydrodynamic numeric model for the North Sea, the Skagerra
      
The experimental measurements were used to validate a numeric model of ablation in an accompanying paper.
      
The study is also trialling an US numeric model 'STOMP' (Subsurface Transport over Multiple Phases), to calculate daily water balance, to identify suitable plant species and to optimise thickness of the soil cover to be used in phytocapping.
      
A third approach involves the use of the numeric model to predict hydrochemical transport at each site.
      
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  numerical modelling
Feasibility of numerical modelling: Information aspect
      
Theoretical research and numerical modelling show that, although mountain torque owes its existence to the unevenness of the ground surface, its sign and intensity depend strongly upon the relative disposition between mechanical and thermal forcing.
      
Numerical modelling of the effects of ozone on the summer atmospheric circulation
      
The great role of topography in the developing of general circulation models for numerical modelling of weather and climate has been stressed.
      
The mechanisms of flame stabilization and low NOx emission features of an eccentric jet pulverized coal combustor were studied through numerical modelling and experimental investigation.
      
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  其他


This paper uses numerical value method and FoRTRAN program to make calculations of metal heating process in three sections continucous lolling mill heatiug furnace. According to the thiee point furnace temperatures of preheating section? heating section and uniform heating section in rolling heating furnace, the furnace temperature system is set up. The numerical value model can calculate the temperature distributions inside the metal at any time and at any location. The model can provide calculatiug data and...

This paper uses numerical value method and FoRTRAN program to make calculations of metal heating process in three sections continucous lolling mill heatiug furnace. According to the thiee point furnace temperatures of preheating section? heating section and uniform heating section in rolling heating furnace, the furnace temperature system is set up. The numerical value model can calculate the temperature distributions inside the metal at any time and at any location. The model can provide calculatiug data and main heating parameters for the designs of furnaces of reasonable framwork sizes, as well as real heating process and heating time.

本文采用FORTRAN语言对轧钢三段连续加热炉内金属加热过程进行传热数值计算.依据所测的预热段、加热段及均热段的三点炉温,确定炉温制度.建立的数值模型可以确立炉内任一时刻、任一位置金属内部温度分布曲线.可为炉子设计确定合理结构尺寸提供计算依据;也可为实际加热过程确定优化的加热制度、加热时间提供主要的热工参数.

A three-dimensional numerical model for laser surface transformation hardening of metals using the finite differential technique is given in this peper. The model takes into account the finite dimensions of the workpiece, the temperature dependence of thermalPhysical properties of the material, the laser processing parameters, and the surface heat losses due to convection and radiation. According to the model a three- dimensional temperature distribution on the surface and inside the workpiece can be obtained....

A three-dimensional numerical model for laser surface transformation hardening of metals using the finite differential technique is given in this peper. The model takes into account the finite dimensions of the workpiece, the temperature dependence of thermalPhysical properties of the material, the laser processing parameters, and the surface heat losses due to convection and radiation. According to the model a three- dimensional temperature distribution on the surface and inside the workpiece can be obtained. The model can also be used to predict the phase transformation depth resulting from the laser surface treatment. Good agreement is demonstrated with experimental results for laser hardening of a zirconium alloy.

给出了用有限差分法对金属材料激光相变硬化过程建立的三维数值模型。模型考虑了工件有限尺度、工件材料热物理性质的温度依赖关系、激光处理参数以及对流、辐射造成的表面热损失.根据模型可以得出工件表面和内部任意部位的三维温度分布像,可以预测激光处理的相变层深,并据此优化激光处理参数的选定.通过对一种锆合金的激光相变硬化实验,验证了所得结果与模型理论计算的一致.

in this paper, an numerical model for calculating impedance increment of air-cored probe coil detecting homogeneous conducting half-space with arbitrary shape three-dimension flaws was studied. A method of volume integral equation with semi-analytic form to calculating impedance increment was presented. It includes a new dyadic Green's function formula without differential and integral terms,a technique for dividing the flaw space into elements,the calculation of left-hand side terms and right-hand side terms...

in this paper, an numerical model for calculating impedance increment of air-cored probe coil detecting homogeneous conducting half-space with arbitrary shape three-dimension flaws was studied. A method of volume integral equation with semi-analytic form to calculating impedance increment was presented. It includes a new dyadic Green's function formula without differential and integral terms,a technique for dividing the flaw space into elements,the calculation of left-hand side terms and right-hand side terms of discrete equations,the solution of asymmetric complex coefficient equations and calculation of impedance increment. Finally, as an example the TEAM (Testing Electromagnetic Analysis Methods) Workshop Problem No. 15 was calculated. The calculated results are is good agreement with its experimental results. With the presented analytic function formula,the calculating speed is greatly increased in comparison with other numerical methods.

本文研究了均匀半空间导体内含有任意形状三维缺陷时放置式线圈阻抗增量的数值模型,提出了一种计算阻抗增量的“半解析体积分方程法”。它包括本文首次导出的不含微分项和积分项的均匀半空间导体并矢格林函数解析式,缺陷区域的剖分方法,离散方程组的系数矩阵和右端向量的计算,非对称复系数方程组的求解以及阻抗增量计算等。用TEAMWorkshop问题15作为验证模型,对比结果表明,计算值和测量值吻合良好。

 
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