PHASE-FIELD method, and so on.
考虑界面效应的相域法。
The phase-field method is applied to simulate dendritic growth in the three-dimensional space.
采用相场方法模拟纯物质三维枝晶生长。
The affecting law of structure fluctuation and energy fluctuation on dendrite growth in pure undercooled melt was studied by simulation of a phase-field method.
采用捕获液态界面改进的相场方法,系统地研究了结构起伏、能量起伏对过冷纯金属熔体中树枝晶生长的影响规律。
Dendrite growth has been simulated with the phase field method and finite difference schemes on a two dimensional rectangular domain with a uniform square mesh.
采用相场模型和有限差分方法,模拟了过冷纯金属熔体的枝晶生长,计算区域为二维正方形均匀网格。
The flow field and temperature field of the uniformity phase fluid were measured by PIV and the steadystate method during the state of onflow.
用粒子成像测速技术(PIV)和稳态法分别测量均相流体在热管生物反应器中湍流时的流场、温度场;
The far field diffractive pattern calculating formula for diffraction antenna with continuous phase structure is derived by current distribution method in antenna theory for the first time.
应用天线理论中的电流分布法,首次推导了具有连续位相结构的反射式毫米波衍射天线的远场衍射图计算公式。
Numerical simulation based on phase field method is developed to describe polycrystalline solidification for pure material.
基于相场方法对包含多晶粒的纯物质凝固过程进行了数值模拟。
Two principles of the phase field method are introduced, and the application of the phase field method for numerical simulation of solidification microstructure is expatiated.
介绍了相场方法的两种基本原理,阐述了相场方法在金属凝固过程微观组织形成模拟中的应用情况。
The effect of field strength, initial phase, bunch shape and charge on electron beam transverse emittance is also explored by numeric simulation method.
利用数值模拟方法研究了加速场强、注入相位、束团大小、形状、电荷等因素对束流横向发射度产生的影响。
Method and device for measuring inhomogeneous magnetic field, method and device for phase calibration, and magnetic resonance image apparatus.
磁场非均匀性测量方法和设备,相位校正方法和设备,以及磁共振成像设备。
Phase field method is the one of popular numerical simulation methods. Recently, it has been become a research focus in solidification field.
相场法是凝固组织模拟中最有潜力的方法之一,近年来已成为凝固领域研究的热点。
The phase field method can directly simulate the dendrite growth during metal solidification.
相场法可以直接模拟金属凝固过程中枝晶生长的形成过程。
Nowsday, phase field model is a heated topic at home and abroad as an effect method in numerical simulation of grain growth.
而相场法作为一种模拟晶粒长大的有效方法,是目前国内外研究的热点。
Through experiment comparison, the method for determining the position of the reconstructed image by using the phase change of the reconstructed optical field is ideal.
通过实验对比发现,利用再现光场相位突变确定再现像聚焦位置的方法效果比较理想。
It is pointed out that the phase field method is very suitable to compute the 3d microstructure than other methods.
指出了相场方法非常适合于微观组织三维模拟,用其他方法则存在较大难度。
The phase mapping method of a field inhomogeneity based on an Z axis pulse field gradient and polynomial fitting procedures of the axial shimming coil currents were described.
通过对Z轴磁场梯度和匀场线圈电流的多项式拟合,以获得磁场不均匀而引起的相位分布。
A simulated temperature field experiment proved that the projection data extraction method based on the phase unwrapping succeeded in facilitating computation of tomography.
模拟温度场实验证明基于相位展开的投影数据提取方法能够更好地完成层析计算。
In this paper we discussed the evolution of two states system and geometric phase in a rotating magnetic field by using the method of coordinate transformation.
本文用旋转坐标系系法对二能级系统的在旋转磁场中的演化和几何相进行了研究。
In dynamic measurement field, when using digital speckle pattern interferometry, we always deal phase with time-average method and spatial carrier phase-shifting method.
在动态测试领域中,数字散斑干涉技术常用到的相位处理方法有时间平均法和空间载波相移法。
Based on the layered phase grating and revolving field discrimination, a laser Doppler vibrometer system has been studied which provides a potential method of velocity measurement.
本文借助于层栅理论和琼斯矢量综述其机理方面的理论与实验研究工作,并举例说明基于旋转场辨向各种测试手段中信号叠加方案的一般分析方法。
Considering the time saved by the parallel algorithm, it is possible to use the generalized phase screen method to process field data.
由于并行算法缩短了计算时间,使得该方法用于实际资料处理成为可能。
A novel multi phase permanent magnet motor's mathematical model that combines multi loop theory of AC motor and finite element method of electromagnetic field is proposed in the paper.
将交流电机的多回路理论与电磁场的有限元方法结合起来建立了多相永磁同步电动机的多回路—有限元数学模型。
In induced polarization method, multi-frequency relative phase spectrum method use above signal as field source, showed the advantage of PRMF signal used as field source for electrical exploration.
多频激电相对相位谱法采用上述信号作为场源,充分反映了该信号作为电法勘探场源的优点。
This paper presents a novel method based on projection moire deflectometry for the visualization and quantitative evaluation of full-field density and temperature variations in phase object.
提出了一种新的投影云纹偏转法用于实时显示和定量测量位相物体的全场密度和温度。
The finite element method is used to calculate five-phase hybrid stepping motor's tooth layer magnetic field parameters.
用有限元方法,计算出五相混合式步进电动机齿层部分磁场参数;
Then the Lagrange particle track model and the uniphase coupling method are used to simulate the gas-solid two phase flow field in the centrifugal fan.
再采用拉格朗同颗粒轨道模型,利用单相耦合法模拟了风机内部的气固两相流场。
Equivalent current method different from symmetrical component method and revolving field method, is used for performance calculation on capacitor single phase motors on this paper.
与传统的对称分量法及旋转磁场法不同,本文用等效电流法对电容运转形式的单相电机进行了性能计算,主要推导出了主、副相电流的计算公式。
Theory and present research status of numerical simulation for eutectic solidification with multi-phase field method were expounded.
阐述了多相场法模拟共晶凝固原理和研究现状。
Theory and present research status of numerical simulation for eutectic solidification with multi-phase field method were expounded.
阐述了多相场法模拟共晶凝固原理和研究现状。
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