1) multi-phase field model
多相场模型
1.
By using the KKSO multi-phase field model,the fixed-velocity growth and velocity-changing growth of directional solidification for eutectic CBr_4-C_2Cl_6 alloys are simulated in three dimensions to reproduce the morphology evolution and selection.
利用KKSO多相场模型对定向凝固共晶CBr4-C2Cl6合金的三维恒速及变速生长过程进行了研究,再现了不同抽拉速度下共晶形态演化及选择过程,建立了形态选择图,研究了变速过程的界面平均生长速度及界面平均过冷度的变化。
2) phase field model
相场模型
1.
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法,模拟了过冷金属熔体的枝晶生长,系统研究相场模型中相场和温度场耦合系数(λ)、热扩散系数(DT)以及界面原子运动时间参数( T0)对枝晶形貌的影响。
2.
Nowsday,phase field model is a heated topic at home and abroad as an effect method in numerical simulation of grain growth.
对相场模型的基本原理、数值计算方法以及在晶粒长大模拟中的研究进展进行了综述,提出了相场模型在微观组织模拟中存在的主要问题以及今后的发展方向。
3.
Based on the phase field model, the three-dimensioned numerical simulation of the dendritic growth of aluminum alloy was studied by coupling with heat noise.
以相场模型为基础,耦合热噪声,对三维铝合金枝晶生长进行模拟计算。
3) phase-field model
相场模型
1.
The validity of frozen temperature approximation could simplify the calculation in phase-field model in simulation.
综述了相场模型在模拟合金定向凝固过程中的应用。
2.
A phase-field model was built by optimizing characteristic parameters in the convec-tional phase-field model for peritectic transition, which is suitable to simulate microstructure evolution for peritectic transition of specific alloys.
通过对当前包晶相变相场模型特征参数的优化,建立了适合对具体合金包晶相变微观组织演化进行模拟的相场模型。
3.
The microstructure evolution of both phases is simulated by the phase-field model of peritectic transition for directionally solidified Ti-A1 alloy at a high value of G/vp when the continuous nucleation occured to a sample with a small diameter and the multiple nucleation occured to a sample with a big diameter.
采用包晶相变相场模型分别模拟了高G／vP定向凝固Ti-Al合金在小直径试样的连续形核和大直径试样的多重形核情况下,包晶两相微观组织演化。
4) multiphase field modeling
多相场模拟
5) phase-field model
相区场模型
1.
Diffusion interface models,particularly the phase-field model among them has been widely used in recent years.
扩散界面模型中的相区场方法近来得到了广泛应用 ,文章给出了纯物质凝固过程相区场模型的数学推导过程 ,并结合变分方法将各向异性引入到模型中来。
6) VOF multi-phase model
VOF多相模型
1.
The RNG K-ε turbulent model and VOF multi-phase model were applied to simulate the water-air two-phase jet flow from a contorted jet bucket to a plunge pool.
采用RNGK-ε湍流模型与VOF多相模型对扭曲型挑坎挑流进行水气两相流三维数值模拟,模拟了挑坎里的自由水面与挑流的空中轨迹线,得到计算域的速度、压强、湍动能K与湍动能耗散率ε的分布、内外挑距与水舌宽度,并与物理模型的试验结果进行比较,两者吻合良好,验证了该数值模拟方法的可靠性、合理性。
补充资料：多相
在交流电力线路中具有频率相同而初相不同的若干个交流电动势。对外供电有两个以上的接头。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条