采用相场方法模拟纯物质三维枝晶生长。
The phase-field method is applied to simulate dendritic growth in the three-dimensional space.
在求解气相场微分方程时用SIMPLE方法。
综述了相场模型在模拟合金定向凝固过程中的应用。
The validity of frozen temperature approximation could simplify the calculation in phase-field model in simulation.
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。
The phase field method can directly simulate the dendrite growth during metal solidification.
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。
Numerical simulation based on phase field method is developed to describe polycrystalline solidification for pure material.
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。
The effect of elasticity on the microstructure evolution of alloys containing coherent precipitates was studied by phase field model.
欧拉方法与拉格朗日方法分别用来处理气相场与离散的颗粒场。
Eulerian and Lagrangian methods are used to deal with gas-field and discrete particles respectively.
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。
Description of microstructure through field variables and the simulation of structural change based of phase field theory are also briefly introduced.
预报了颗粒的浓度场分布及液滴、颗粒和气相场的速度矢量分布。
The velocity of each phase, as well as the concentration distribution of particles are predicted by model calculations.
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。
Nowsday, phase field model is a heated topic at home and abroad as an effect method in numerical simulation of grain growth.
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。
It is pointed out that the phase field method is very suitable to compute the 3d microstructure than other methods.
本文采用二维相场模型模拟固相陶瓷烧结后期，晶粒和气孔耦合生长演化过程。
The topological evolution of coupled pore and grain growth during final stage sintering based on a 2-d continuum diffusion-interface field model is studied.
该模型以熵增加函数为基础，通过熵增加函数推导出热力学一致性的相场控制方程。
The entropy increase function, we has derived the phase field controlling equations which are thermodynamical consistent.
对气固两相平板混合层流动，采用离散涡方法模拟气相场，轨道法跟踪颗粒的运动。
The gas and particle phase in the gas solid two phase plane mixing layers flow is numerically simulated using the discrete vortex method and trajectory method respectively.
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。
Phase field method is the one of popular numerical simulation methods. Recently, it has been become a research focus in solidification field.
以相场模型为基础，采用宏微观耦合方法和界面捕获液态方法对铝合金枝晶生长进行模拟计算。
Numerical simulation of three dimensional dendritic growth is performed by using a macro micro coupled method and a capturing liquid method.
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。
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.
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。
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.
在模拟中，研究了搅动及不同的过冷度对枝晶生长形貌的影响，并对相场和浓度场作了对比和分析。
In simulation, studied the noise and different surperfluous temperature how to affect the growth of dendritic and compared phase-field figure with concentration field figure.
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 dendrite growth of pure metal in undercooled melts was simulated by using phase field model(PFM) and finite difference schemes.
在数值预测时，气相场采用雷诺应力输运模型，应用随机轨道模型来模拟湍流流场中颗粒的运动轨迹。
The gas flow fields were simulated by a Reynold's stress Transport Model(RSTM) and the stochastic tracking approach was used for simulating the trajectories of particles in a turbulent current.
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.
基于微观相场动力学理论建立的微扩散方程，以原子占位几率和序参数描述合金沉淀过程的原子簇聚和有序化。
The nucleation of ordered phase is simulated by microscopic diffusion equation and the assumption of classical nucleation theory is examined.
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 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 affecting law of structure fluctuation and energy fluctuation on dendrite growth in pure undercooled melt was studied by simulation of a phase-field method.
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