通过数值模拟结果之间的对比分析，揭示出岩石试样宏观破坏模式随细观层次上韦伯分布参数的变化而不同。
It has been revealed by the comparison of numerical simulation results that the macro-failure modes of rock samples are different according to parameters of Weibull distribution at mesoscale level.
混凝土多边形骨料的数值模拟方法在细观层次上将混凝土看成是一种由骨料和砂浆基体所组成的二相复合材料。
The concrete was taken as a two-phase composite material consisting of mortar matrix and aggregate on mesoscopic level in the numerical simulation approach for polygonal aggregate.
本论文立足于对混凝土材料特性的认识，提出一个进行混凝土损伤与断裂过程模拟的细观数值模型。
This paper is based on the understand of the concrete material. The mathematic model to study the process of concretes damage and fracture is being put forward.
基于细观损伤力学开发的RFPA2D数值模拟软件，分析了巴西劈裂试样的应力分布特征。
The RFPA2D numerical simulation software developed based on the microscopic damage mechanics was applied to analyze the stress distribution features of the Brazilian splitting samples.
采用细观弹性损伤模型和有限元计算方法实现岩石三维破裂过程的数值模拟。
A linear elastic damage model based on finite element method at mesoscopic level was applied to investigate the three-dimensional failure process of rock subjected to various stress loadings.
最后，利用RFPA数值模拟软件对试验所做煤体试件进行了细观破裂过程模拟。
Finally, this paper has made microscopic specimen rupture simulation for coal samples of meso-experiment by using of numerical simulation software RFPA.
数值模拟再现了水压致裂过程中岩石由细观微破裂到宏观破坏的演化过程，并且与试验结果表现出了较好的一致性。
The simulation results reflect macroscopic failure evolution process induced by microscopic fracture subjected to hydraulic loading, which agrees well with the experimental results.
数值模拟再现了水压致裂过程中岩石由细观微破裂到宏观破坏的演化过程，并且与试验结果表现出了较好的一致性。
The simulation results reflect macroscopic failure evolution process induced by microscopic fracture subjected to hydraulic loading, which agrees well with the experimental results.
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