细观损伤力学 meaning in Chinese
microscopic damage mechanics
Examples
- Microscopic damage mechanics
细观损伤力学 - Abstract : by analyzing strain softening micromechanical damage process of rock , the softening micromechanical damage model of rock is established and the softening constitutive relation of rock under one _ dimension tension is also obtained
文摘:通过分析岩石材料应变软化的细观损伤力学过程,建立了岩石软化阶段的细观损伤力学模型,从而得到单向拉伸状态下岩石软化过程的应力应变本构关系 - Based on the damage mechanics theory , during the freezing and thawing , the ct measurement technology is used to observe the water transference , ice formation , inner microdamage propagation principle and the corresponding damage structure variability
从细观损伤力学理论出发,利用ct识别先进的试验技术研究岩石在冻结融化过程中,水分的迁移,冰的形成,内部细观损伤扩展机理及相应损伤结构的变化。 - In order to study the influence of evolvement of permeation character induced by mesoscopic structural characteristics on macroscopic mechanical behavior and fracture mechanism , a nonlinear constitutive equations describing the relationship between damage of rock and seepage is proposed based on mesoscopic damage mechanics and biot seepage mechanics theory and coupling system of flow & solid in rock failure process analysis , f - rfpa2d , is developed to simulate the variation of permeability as well as coupling mechanism between seepage and stress during the initiation , propagation and coalescence of cracks in rock . this study also extends the research field of original rfpa2d
为了分析细观结构特性变化引起渗透性演化对宏观力学行为的影响,并进行渗流应力耦合作用下岩石破裂机制的研究,本文基于细观损伤力学和biot经典渗流力学,建立了岩体损伤非线性本构方程和渗透率关系模型,开发出岩石破裂过程渗流-应力耦合分析系统( couplingsystemofflow & solidinrockfailureprocessanalysis简称f - rfpa2d ) ,拓宽了原有程序rfpa2d的研究领域。 - Based on the mesoscopic damage mechanics , numerical code rfpa ( superscript 2d ) was developed to simulate the spallation process of inhomogeneous medium induced by reflection of stress wave under different stress waves ( such as different durations , amplitudes and shapes ) , and the behaveiour and mechanism of spallation process were numerically analyzed and discussed
摘要采用基于细观损伤力学基础上开发的动态版rfpa (上标2d )数值模拟软件,对不同冲击载荷作用下非均匀介质中应力波反射诱发层裂过程进行数值模拟。