Shear band formation due to void nucleation and growth were successfully simulated in a specimen of geomaterial under plane stress compression and tension by the model respectively.
采用该模型，成功地对平面应力条件下岩土材料单轴受压和单轴受拉试件的局部化破坏分别进行了数值模拟。
The paper demonstrates the important control factors of reservoir development caused by the continuous compression of tectonic stress under abnormal high pressure in Kela 2 gas field.
阐述了克拉2气田在异常高压下，储层发育的主要控制因素是由于构造应力的持续挤压作用。
Under the higher confining pressure, the shearing strength and the differential stress between the compression strength and confining pressure tend to be the constant.
至更高围压后，抗压强度与围压的应力差、抗剪强度将趋于某一常数。
A mechanical model is built firstly for single microcrack under uniaxial compression loading, and the stress component of microcrack end is calculated.
首先建立单一微裂纹在单轴压缩荷载作用下的力学模型，求出裂纹端部的应力分量。
The test results show that: the hard brittle marble obviously performs time-lagged destruction under long time of pre-peak stress uniaxial compression.
试验结果表明：在应力峰值前的长时间单轴压缩作用下，硬脆性大理岩的破坏表现出明显的时滞性；
The strength experiments of lightweight aggregate (LWA) concrete after freeze-thaw cycling in seawater under biaxial splitting tension and compression stress are preformed.
进行海水中不同冻融循环次数后轻骨料混凝土双轴拉(劈拉)压状态下的强度试验，考察试件的破坏形态和表面裂缝的走向特征。
The value of strain of undrained conventional triaxial compression creep is less than that of reduced triaxial compression creep under the same deviator stress;
在相同偏应力条件下，不排水常规三轴压缩蠕变的应变值要小于减压三轴压缩蠕变的应变值；
Based on the conventional triaxial compression tests of the Three Gorges granite, the complete stress-strain curves under different confining pressures have been attained.
通过对三峡花岗岩进行常规三轴压缩试验，得到不同围压下的应力—应变全过程曲线。
The shape of effective stress path is similar under the same stress path testing, the S' shape of effective stress path was observed in conventional triaxial compression test.
相同应力路径试验得到的有效应力路径形态一致，常规三轴压缩试验中有效应力路径呈S形。
Simple reference states can be used to solve engineering problem. Through simulating the overall curvature of rock's stress-strain relationship under uniaxial compression, parameters are attained.
解决工程问题时，可以选择简单的参考状态，并用拟合岩石单轴受压的全过程应力应变关系曲线确定扰动因子的参数。
Based on the conventional triaxial compression test of Three Gorges granites, the crack initiation stress under different confining pressures can be obtained by studying the crack strain curves.
从三峡花岗岩常规三轴实验出发，通过研究裂纹应变的变化规律，得到不同围压下花岗岩的起裂应力。
Under design load, beam models have good compression capability. Rational design can control stress, strain and crack availably.
在设计荷载作用下模型梁具有良好的受力性能，通过合理的设计能有效地控制结构的变形、应力和裂缝。
The volumetric strain induced by shear stress is shrinking at first, then dilating later under triaxial compression test conditions, of which the value is determined by density and stress state.
三轴压缩试验条件下，剪应力引起的体积变形一般是先剪缩后剪胀的，其大小由密度和应力状态决定。
The physical meaning of complete stress-strain curve of rock at each stage is discussed under true uniaxial compression.
讨论了单轴压缩条件下岩石全应力-应变曲线各个阶段的物理含义；
This study focuses on the dynamic buckling of a nano crystal copper wire under compression stress wave.
用分子动力学方法和弹性动力学方法研究了纳米铜线的动力屈曲，并对两种方法进行了比较。
The stress relaxation test of saturated silty mudstone under triaxial compression is carried out on the rljw-2000 rock microcomputer-controlled rheology servo test system by step loading method.
采用rljw—2000型岩石三轴流变伺服仪，在分级加载条件下完成饱和粉砂质泥岩的三轴压缩应力松弛试验。
Based on the test results, the stress-strain behaviors of compacted clay under triaxial compression, triaxial tension and compression-to-tension states are investigated.
根据试验结果，研究了压实黏土在三轴压缩、拉伸以及从压缩到反向拉伸状态下的应力应变特性。
The method of photo elasticity is discussed in measuring peripheral stress concentration of rectangular ports on the shape shell under the axial compression.
在轴向压缩下，台形壳体上方形孔周边的应力集中问题，用光测弹性方法测量；关于孔边的最大应力分布实验及理论数据的比较。
The results showed that the peak-stress, peak-strain and toughness of high-strength concrete under uniaxial compression are affected in different extents by the content of steel fiber;
试验表明，钢纤维掺量对高强混凝土单轴受压的应力峰值、峰值应变及韧性产生了不同程度的影响；
Fracture problems of rock under compression can be classified by the stress states at the crack tips into two kinds.
受压岩体中的裂纹问题，可以归结为压剪裂纹和拉剪裂纹两种类型。
It is shown that the interval tension fracture would occur repeatedly under large axial compression stress, which forms the layered failure.
研究结果表明，在很大的轴向水平压力作用下，介质会产生间隔的拉伸裂缝，形成分层断裂现象。
OBJECTIVE: Through finite element method, to research the stress distribution of artificial and host cartilage repaired by tissue engineering under rolling compression loads.
目的：通过有限元仿真研究组织工程修复膝关节软骨缺损后人工软骨和宿主软骨的力学状态。
OBJECTIVE: Through finite element method, to research the stress distribution of artificial and host cartilage repaired by tissue engineering under rolling compression loads.
目的：通过有限元仿真研究组织工程修复膝关节软骨缺损后人工软骨和宿主软骨的力学状态。
应用推荐