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.
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。
For the fractal dimension of the fracture scale distribution, the damage evolvement process is a process of increasing dimension.
对断裂尺度分布的分形维数而言，损伤演化过程是一个增维过程。
In combination of studies on AE and mechanical process with that of fracture and damage of material, the concept of AE process is proposed.
将对材料声发射的研究，力学过程的研究，同对材料断裂损伤等破坏过程的研究相结合，提出了声发射过程的概念。
The damage and fracture process of the composite are detected by acoustic emission. The experiment proves the simulating structure to be rational and feasible.
用声发射方法检测了复合材料损伤与断裂的全过程，证明了该结构的合理性与可行性。
The blasting damage and fracture process of rock is complicated dynamic evolvement process.
岩石爆破损伤断裂过程是一个复杂的动态演化过程。
By use of dynamic strain testing, the ultrasonic wave, bedded composite rock damage and fracture mechanisms and the fragmentation process during blasting have been experimentally studied.
运用超动态应变测试技术、超声波检测仪对层状复合岩体的爆破损伤破坏机理和破坏过程进行了实验研究。
The results showed that physical damage and fracture was caused during the process of sheeting, wet mixing and pressing;
研究结果表明，在剪短、湿混以及加压过程中会造成纤维的物理损伤和断裂；
The damage and fracture criterions and the damage localization models at the crack tip are individually established, which can better realize the true process...
建立了这两个区域的损伤断裂准则和裂纹尖端的损伤局部化模型，可以更好地反映爆生气体作用下裂纹扩展的实际过程。
The whole flaw development process of earth body in structure is analyzed according to the theory of damage mechanics and fracture mechanics from the view point of energy.
本文运用伤力学和断裂力学理论，从能量的角度对结构性土体裂纹扩展进行了全过程分析。
From the viewpoint of mechanics, it is, as a matter of fact, a process from local damage, to brushfire fracture and eventually to integral collapse.
从力学角度而言，它实际上就是一个从局部耗散到局部破坏最终到整体灾变的过程。
It is shown that the proposed ductile fracture model can accurately and effectively predict the whole damage process of ductile metals including crack initiation, propagation and final fracture.
结果表明，该模型可很好地预测延性金属材料自裂纹萌生、扩展直至完全断裂的全过程。
It is shown that the proposed ductile fracture model can accurately and effectively predict the whole damage process of ductile metals including crack initiation, propagation and final fracture.
结果表明，该模型可很好地预测延性金属材料自裂纹萌生、扩展直至完全断裂的全过程。
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