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 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。
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 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 calculating example shows that a stable stress intensity factor can be obtained by selecting a proper calculating boundary and changing the geometric scale of the region.
计算实践表明：选择适当的计算边界，用改变计算区域几何比例的方法可以求得稳定的应力强度因子。
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。
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。
Based on testing results, the relationship between velocity of granite subcritical crack growth and stress intensity factor, and the fracture toughness are obtained respectively.
根据试验结果，得到了花岗岩亚临界裂纹扩展速度与应力强度因子之间的关系和花岗岩的断裂韧度。
According to the relation of fracture toughness and stress intensity factor, the cracking similarity condition of induced joint in structural model is established.
根据断裂韧度和应力强度因子的关系，建立了结构模型中诱导缝的开裂相似条件。
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 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。
A new method of testing the critical stress intensity factor for stress corrosion cracking based on linear-elastic fracture mechanics theory and stress corrosion cracking theory was put forward.
应力腐蚀临界应力强度因子的测试方法是基于线弹性继裂力学理论和应力腐蚀理论提出的一种新的测试方法。
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。
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。
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。
The effect of an elastic square inclusion on a crack tip's stress intensity factor in an infinite elastic body is considered and the new boundary integral equations are derived.
研究无限弹性体中正方形弹性夹杂对裂纹应力强度因子的影响，给出了问题的新边界积分方程。
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。
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。
Based on fracture mechanics and finite element theory, calculation and analysis stress intensity factor of fiber asphalt chip seal under different conditions.
基于断裂力学和有限元原理，计算分析了纤维沥青碎石封层路面结构在不同条件下的应力强度因子。
The stress intensity factor of main crack, which is difficult to be calculated directly due to the shielding effect between cracks, can reflect the damage of components.
裂纹网中主裂纹的应力强度因子可反映构件的损伤程度，然而由于裂纹间的屏蔽效应，直接计算裂纹网中主裂纹的应力强度因子是困难的。
Through static, modal and crack stress intensity factor analysis, the vibration stress of blade under rotating state before fracture can be calculated out finally.
然后采用有限元数值计算方法对叶片进行静力分析、模态分析及裂纹应力强度因子计算，最后反推出叶片在旋转状态下振动应力值的大小。
A synthetic method to calculate stress intensity factor KI by use of the data obtained in the experiment of three dimensional photoelasticity is developed in this paper.
对利用三维光弹性试验数据计算应力强度因子k_i，提出一种新的算法——综合法。
The main factor influencing variation in RWL was water regimes, relating to timing and intensity of water stress.
影响RWL变化的主要因素是水分，与水分胁迫的时间和强度有关。
The stress of E-grade steel coupler knuckle was analyzed and the expression of stress intensity factor of the cracks on the coupler knuckle wrist area was given.
对重载列车E级钢钩舌进行了应力分析，导出了钩腕面裂纹的应力强度因子表达式。
Numerical results and figures are obtained to illustrate the stress intensity factor as a function of the distance of adjacent cracks for different values of the material inhomogeneity.
用数值结果和图表阐述了在非均匀性参数不同值情况下应力强度因子与平行裂纹间距的关系。
This paper deals with the application of the stiffness derivation method to calculating stress intensity factor of cracked panel with riveted stiffeners.
本文探讨了刚度导数法用于含裂纹铆接加筋板应力强度因子计算的问题。
The results show that increasing the number of least squares fitting terms and reasonable selection of digital image correlation subset size improve the accuracy of calculated stress intensity factor.
结果表明，增加最小二乘拟合项次和合理选择数字图像相关计算子区域和步长大小可以提高应力强度因子计算精度。
The studies based on the stress intensity factor of the front of crack, and the effect of bond and slip between steel and concrete were considered.
考虑了钢筋与混凝土的粘结滑移作用，以裂缝前端应力强度因子为判据，分析了裂缝的稳定性和钢筋的限裂作用。
The studies based on the stress intensity factor of the front of crack, and the effect of bond and slip between steel and concrete were considered.
考虑了钢筋与混凝土的粘结滑移作用，以裂缝前端应力强度因子为判据，分析了裂缝的稳定性和钢筋的限裂作用。
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