The intensity factor decreases with the propagation of cracks.
应力强度因子随着裂纹的扩展而下降。
Multiiiple crack interaction may cause distrubed effect of stress intensity factor.
裂纹群的交互作用会引起裂纹应力强度因子的干扰效应。
We study stress intensity factor of thick wall cylinder with cracks under dynamic load.
研究了动载荷作用下带裂纹厚壁筒的应力强度因子。
The multiple-points method was used for computation of mixed-mode stress intensity factor.
混合型强度因子的计算应用多点法。
The acoustic emission also shows a decreasing rate, following the drop in stress-intensity factor.
随着应力强度因子的下降，声发射也随着减少。
Carbon fibers restrained the matrix cracks growth and diminished the crack tip stress intensity factor.
纤维对基体开裂起抑制作用并降低了裂纹尖端的应力集中。
The influence of cold expansion on the stress intensity factor distribution in crack tip was also analyzed.
分析了冷扩张对疲劳裂纹尖端应力强度因子分布的影响。
The transient displacement field and the dynamic stress intensity factor at the moving crack tip are obtained.
给出了瞬态的位移场和运动裂纹尖端的动态应力强度因子。
The numerical results of shear stress intensity factor and the length of the crack face contact region are given.
给出了剪切应力强度因子和裂纹面接触区尺寸的数值结果。
The energy release rate for crack propagation depends only on the stress intensity factor and the material constants.
电导通裂纹模型中的静电场对裂纹尖端扩展的能量释放率不作贡献。
Stress intensity factor (k). A factor used in fracture mechanics to specify the stress intensity at the tip of a crack.
应力强度因子(K)：断裂力学中使用的一个因子，说明裂纹尖端处的应力强度。
The strain-stress curve and the stress intensity factor are carried out using the machine MTS for Magnesium alloy AM50.
利用MTS高级材料实验机在应变控制条件下获得了镁合金AM50的单向拉伸应力应变曲线和常规的机械性能参数；
The loading state of specimen is important for calculation of the temporal evolution of dynamic stress intensity factor.
试样的受力状态对动态应力强度因子历史曲线的确定具有重要影响。
The convergence problem of boundary collocation method used to calculate the stress intensity factor is also investigated.
还探讨了边界配置法求应力强度因子时的收敛性问题。
An element initial stress method to calculate stress intensity factor of three-dimensional mixed-mode crack is introduced.
对单元初始应力法应用于复合型三维裂纹问题进行了研究。
Experimental results indicate that the crack propagation is controlled mainly by the crack tip stress intensity factor range k.
结果表明，裂纹扩展主要受裂尖应力强度因子幅的控制。
The stress intensity factor of crack solids is a fracture mechanics index that denotes the effect of loading and crack geometry.
黏聚力形成的阻抗强度因子数值，与黏聚裂纹长度和材料极值拉伸应力存在数量关系。
Meanwhile, we find the dynamical stress intensity factor is bigger than the statical stress intensity factor under the same conditions.
同时，发现动态应力强度因子比相应的静态应力强度因子大。
However, the calibration of the dimensionless stress intensity factor, which is an important mechanical parameter, is still in question.
但是，该试样的重要力学参数即无量纲应力强度因子的标定尚有问题。
The relative equation between stress intensity factor and displacement field near interface crack tip of bimaterials was derived firstly.
首先推导了双材料界面裂纹尖端的位移场和应力强度因子之间的关系式。
The results show that the accuracy for crack tip stress intensity factor using ANSYS software is enough for engineering designs and analysis.
研究结果表明，ANSYS程序裂纹尖端应力强度因子计算方法的计算精度可以满足工程设计和分析需要。
The results show that the stress intensity factor after bonding would decrease obviously if the composite patch parameters were selected properly.
结果表明，在正确选择复合材料补片的参数后，修补后铝合金板裂纹尖端的应力强度因子有显著地下降。
Tile thickness effect on critical stress-intensity factor in plane stress is discussed, and a quantitative formula is also suggested in this paper.
文中讨论了临界应力强度因子的厚度效应并给出了一个定量关系式。
The approximate engineering approaches for stress intensity factor (SIF) of skin with multiple site cracks and skin and stringer with cracks are given.
给出蒙皮带有多裂纹和蒙皮带有多裂纹且桁条也带有裂纹时应力强度因子的近似工程估算方法。
Based on this kind of crack element, and by introducing parametric equation of ellipse, a new method for estimating stress intensity factor is proposed.
基于这种裂纹单元，作者引入椭圆参数方程，推出一种计算裂纹前缘点应力强度因子的新方法。
It is of interest to note, that the stress intensity factor of this problem is independent of the material constants of the composite rectangular sheet.
令人感兴趣的是：分析还发现本问题的应力强度因子与复合板的材料性质无关。
It is also found that the electric displacement intensity factor depends on both material properties and the mechanical loads, but not the electric loads.
结果还表明，电位移强度因子取决于材料常数和机械载荷，但与电载荷无关。
The result indicates that the maximum of dynamical stress intensity factor arrives behind the load time and increases with the size of thick wall cylinder.
结果表明动态应力强度因子的最大值在加载时间上有滞后性现象，它的最大值随厚壁筒尺寸增加而增加。
The fundamental assumption of this research is the existence of the origin intensity factor(OIF)upon the singularity of the coincident source-collocation nodes.
本项工作的一个基本假设是源点奇异时的源点强度因子的存在性。
The results show that the stress intensity factor is independent of material constants, and the strain energy release rate is dependent on all material constants.
结果表明，应力强度因子与材料常数无关，而应变能释放率依赖于所有的材料常数。
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