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。
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。
The dendrite growth of pure metal in undercooled melts was simulated by using phase field model(PFM) and finite difference schemes.
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。
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。
When the curvature is 0, we found that the difference between the phase field method and the finite difference method is very small.
我们发现与有限差分法相比较，在曲率为0，即边界为一条直线的时候，两者的差别很小。
The effect of elasticity on the microstructure evolution of alloys containing coherent precipitates was studied by phase field model.
采用相场模型对共格沉淀析出过程微观结构演化进行模拟研究。
At present, the measurement techniques for gas-solid two phases flow have become a desiderative problem to be solved in multi-phase field.
目前，气固两相流检测技术已成为多相流研究中的一个亟待解决的问题。
A multi-phase field model coupled with mass, momentum, energy and solute conservation equation was introduced to apply for macro simulation.
宏观部分着重介绍了一种耦合质量、动量、能量及溶质平衡方程的多相模型。
Description of microstructure through field variables and the simulation of structural change based of phase field theory are also briefly introduced.
简介以场变数描述显微组织，并根据相场理论作组织变化的模拟。
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 directions of further research on the phase field method are aimed at better numerical arithmetic, more precise model, 3d quantitative simulation and utility.
以后进一步研究的重点方向是更优的数值算法、更精确的数值模型、三维定量模拟以及实用化研究。
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。
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 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。
The growth process of side-branching of dendrites during solidification of pure Ni melt was studied by the phase-field simulation.
在相场模拟中，通过捕获液态界面，系统研究了过冷对纯金属熔体凝固过程中树枝晶侧向分枝形貌的影响。
The growth process of side-branching of dendrites during solidification of pure Ni melt was studied by the phase-field simulation.
在相场模拟中，通过捕获液态界面，系统研究了过冷对纯金属熔体凝固过程中树枝晶侧向分枝形貌的影响。
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