A numerical simulation of stochastic damage evolution process in the condition of1ow cycle fatigue loading is discussed.
讨论一种低周疲劳下随机损伤演变过程的数值模拟方法。
Finally, this study analysised the asphalt mixture fatigue damage evolution process of stress control mode and established a relationship between unit load fatigue damage rate and the fatigue life.
最后，本研究分析了应力控制模式下沥青混合料疲劳试验过程中的损伤演化规律，建立了单位加载疲劳损伤率与疲劳寿命之间的关系式。
The results show that the model of damage evolution is suitable for that four types of concrete of our test conditions, and it can characterize their freezing-thawing damage evolution process better.
试验结果表明，本文所选择的混凝土损伤演变模型可以较好的表征该条件下上述四种混凝土的冻融损伤演变过程。
The evolution law of CT number and CT images in the complete process of damage failure of frozen cracked rock is studied.
分析了冻结裂隙岩石加卸载损伤全过程的CT图像和CT数的演化规律。
At the process of ct crack and rapture evolution, the acoustic emission can not precisely reflect the meso-mechanism of rock deformation and rapture because of localization of damage.
在CT尺度裂纹演化和破坏阶段，由于岩石损伤高度局部化，声发射率参数不能精确反映岩石破坏的细观机制。
Therefore, describe the fractal feature of acoustic emission time sequence by correlation dimension and research the evolution law of rock damage and failure process.
本论文采用关联维数来描述岩石声发射时间序列的分形特征，研究岩石损伤破坏过程的演化规律。
The reference heights of casing shoes are proposed with the evolution process of damage zone.
根据流变过程中围岩损伤区的演化过程，给出了套管鞋高度的参考值。
The mechanism of this effect was further investigated by using finite element method to simulate the evolution of pre-damage voids during the subsequent loading process.
并进一步对初始损伤孔洞在后续加载中的演化行为的细观有限元力学进行模拟计算及微孔洞初始损伤对钢的延性起裂韧性影响的机理进行了研究。
The mechanism of this effect was further investigated by using finite element method to simulate the evolution of pre-damage voids during the subsequent loading process.
并进一步对初始损伤孔洞在后续加载中的演化行为的细观有限元力学进行模拟计算及微孔洞初始损伤对钢的延性起裂韧性影响的机理进行了研究。
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