现场照相方法规则 Rules on investigative photography
Thus, this thesis simulated three-dimensional grain growth process using the phase field method. Average grain size, grain size distributions and topology evolution mechanism of the quasi-steady state were examined so as to grain growth process can be understood well.
为此,本论文采用相场方法仿真了三维晶粒长大过程,并对三维准稳态平均晶粒尺寸、晶粒相对尺寸分布和拓扑学特征及其演变规律进行了重点探讨,以期获得对晶粒长大本质特征的进一步认识。
参考来源 - 用相场法研究多晶中晶粒的演变规律The effectiveness of the phase-field method was proved. The results show that the phase-field model accords with the classic model of growth, and grain size distribution which can well described by Weibull function is time-dependent.
首先,应用宏观相场方法采用多序参量唯象晶粒长大相场模型,对单相多晶材料中最基本的显微组织演化过程之一晶粒长大进行二维模拟,初步验证了相场方法的有效性,结果表明模型符合经典长大规律,晶粒尺寸分布是时间相关的,并可以由Weibull函数很好的描述。
参考来源 - 相场方法模拟合金无序—有序相转变和晶粒长大·2,447,543篇论文数据，部分数据来源于NoteExpress
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.
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.
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.
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