求翻译：利用有限元计算软件ANSYS对晶粒-晶界模型进行了建模分析，并通过计算不同晶粒度等级的模型的裂纹尖端的应力场分布来证实了细化晶粒能提高材料的韧性。晶粒尺寸越小，材料的金属性能就越好。是什么意思？

The use of finite element modeling and analysis software ansys on the grain - the grain boundary model, and confirmed by computing different grain level model of the crack tip stress field distribution in the grain refinement can improve the toughness of the material. The smaller the grain size and

Take advantage of the limited dollars to software ANSYS die - crystal-model for the analysis, and modeling through the calculation of the different die level model of the crack tip stress field distribution for the purpose of confirming the details of the die material to enhance resilience. The smal

Has carried on the modelling analysis using finite element computation software ANSYS to the crystal grain - crystal boundary model, and confirmed through the computation different crystal grain size rank model crack acme stress field distribution the refinement crystal grain can enhance the materia

Using finite element software ANSYS to grain-grain boundary model for a modeling analysis and calculation of grain size of different levels of model of crack-tip stress field to confirm the grain refinement to improve the toughness of the material. Smaller grain size, material of metal, the better t

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