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。
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。
Fracture toughness (Kc). Critical value of the stress intensity factor for which crack extension occurs.
断裂韧度(Kc)：发生裂纹扩展时应力强度因子的临界值。
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 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。
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。
Then the increment of stress intensity factor K and its controlling section rp are analyzed with the volume content of holes in 3D braided CMC.
接着又分析了应力强度因子K及K控制区随孔洞体积分量的变化规律。
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。
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 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 effects of finite length and finite width on the stress intensity factor are achieved by using the fundamental solution and the boundary condition.
利用基本解和边界条件可以计算板长和板宽对应力强度因子的影响。
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。
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。
Numeral results show that, under shear loading conditions, the stress intensity factor is independent of applied electric displacement and electric field.
结果表明，在外加剪切荷载的作用下，应力强度因子与外加电场无关。
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。
Crack top's tension stress and stress intensity factor caused by thermal stress were computed, structural parameters' sensitivity analysis were made as well.
对路面突然降温时的温度场进行了数值模拟，计算了温度应力作用下反射裂缝尖端的拉应力、应力强度因子，并对其进行了参数分析。
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。
Apparent stress intensity factor KI with different radius are calculated by the stress method and KI is obtained by interpolation to the crack tip circular arc.
采用应力法计算不同半径处的表观应力强度因子，插值到裂尖圆弧而得。
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。
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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