The results show that when the annular crack is away from the interface, the normalized stress intensity factors at the crack tips decrease with increasing time.
结果表明，给定长度的环形裂纹在尚未接触界面时，其两端正则化的型和型应力强度因子均随时间增大而减小。
Using the interpolation models for both singular crack tip elements and other crack linear elements, the boundary element formulas of the torsion rigidity and stress intensity factors were given.
利用裂纹尖端的奇异元和线性元插值模型，给出了扭转刚度和应力强度因子的边界元计算公式。
Through the numerical solution of the integral equation, the stress intensity factors at the end points of the crack and intersection are obtained.
通过对弱奇异积分方程的数值求解，可得裂纹端点和交点处的应力强度因子。
In this paper, boundary collocation method is used to calculate stress intensity factors of an eccentric crack in an elliptical disc subjected to a uniform tension stress.
本文用边界配置方法计算了不同情形下含偏心裂纹椭圆盘受均布载荷时的应力强度因子。
Numerical calculation has been taken for rectangular crack and the distribution of stress intensity factors along the crack edge has been obtained.
对矩形裂纹面进行了数值计算，得到了应力强度因子沿裂纹边界的分布规律。
The analytic solutions of the stress intensity factors at the crack tip are obtained.
分别求得了裂纹尖端应力强度因子的解析解。
The outlined models for estimation of crack extension angles rely purely on the stress intensity factors at the crack tip which can be determined by finite element procedures.
用这些模型预测裂纹扩展角时，参数都归结为裂尖处的应力强度因子，而应力强度因子可以用有限元方法求得的。
Stress intensity factors at vertical crack tips and numerical results of pressure under punch are obtained.
最后得到垂直裂纹端点处的应力强度因子和压头下方的压力数值。
The crack-tip dynamic stress intensity factors decrease with the decrease of the crack length and the increase of the functionally gradient parameter.
无论在什么时刻，裂尖处动态应力强度因子随裂纹的长度减小而减小，随板材料的功能梯度参数增大而减小。
Combined with general four-node element around crack tip element, a new hybrid finite element method to study stress intensity factors for interfacial crack is introduced.
与四节点单元相结合，由此提出了一种新的求解应力强度因子的杂交元法。
On top of that, this method is used to calculate the stress intensity factors of interface crack at the heel of gravity dam, and some useful conclusions are presented.
作为应用，文中计算了坝踵界面裂缝的应力强度因子，得出了应力强度因子随坝基弹模、库水位和缝水压力的变化规律。
A calculation method is proposed to determine the crack tip stress intensity factors for sections on the basis of zonal generalized variational principles.
本文应用分区广义变分原理，提出了求解含有裂纹的型材应力强度因子的计算方法。
Finally, the dynamic stress intensity factors of the fast-propagating crack is obtained.
得到了快速扩展裂纹的动态应力强度因子。
The fracture process can be separated into four characteristic regions. Correspondngly, there exist two threshold stress intensity factors both for crack initiation and f…
断裂过程可区分为四个特征区，相应有表征启裂和稳态裂纹扩展的界限应力强度因子。
The fracture process can be separated into four characteristic regions. Correspondngly, there exist two threshold stress intensity factors both for crack init…
断裂过程可区分为四个特征区，相应有表征启裂和稳态裂纹扩展的界限应力强度因子。
The effect of crack tip arc on stress intensity factor is studied assuming plane stress condition. The stress intensity factors KI with different crack tip arcs are separately calculated.
研究了裂纹尖端圆弧对应力强度因子的影响，分别计算了具有不同裂尖圆弧 的I型裂纹的应力强度因子。
The main job is to find the stress intensity factors for crack configurations.
其主要任务是确定构型裂纹尖端的应力强度因子。
The stress intensity factors are important parameters for estimating crack propagation.
应力强度因子是预测裂纹扩展情况的重要参数。
The stress intensity factors of bimaterial interface crack are analyzed using the boundary element method with bimaterial fundamental solutions.
采用双材料基本解建立边界元法基本方程，计算双材料界面裂纹尖端附近的应力和位移场。
The numerical simulation results show that the equivalent stress intensity factors KIeq relates with the engine firing order, their peak value rises while the crack depth increases.
计算结果表明，等效应力强度因子与发动机点火顺序密切相关，其峰值随裂纹深度的增加而增大。
Finally, the relations between electric displacement intensity factors and stress intensity factors at crack tips can be obtained.
最后，电位移强度因子和裂纹尖端的应力强度因子之间的关系可以得到。
The stiffness matrix of a hybrid crack-tip singular element is first derived, then by use of first-order Taylor expansion the mean and variance of stress intensity factors are formulated.
文中首先给出了杂交模式的裂纹尖端奇异单元的刚度矩阵，然后基于随机场的局部平均理论和一阶泰勒展开得到了应力强度因子均值和方差的计算公式。
The weight function formulas are worked out and can be used for all kinds of depth of crack, materials, assemblage excess, size of combined thick wall cylinder to compute the stress intensity factors.
本文用权函数法导出了由套装应力引起的组合厚壁筒内边裂纹的应力强度因子公式 ，这些公式可用于计算组合厚壁筒在不同裂纹深度、材料、过盈量和尺寸情况下的应力强度因子。
The weight function formulas are worked out and can be used for all kinds of depth of crack, materials, assemblage excess, size of combined thick wall cylinder to compute the stress intensity factors.
本文用权函数法导出了由套装应力引起的组合厚壁筒内边裂纹的应力强度因子公式 ，这些公式可用于计算组合厚壁筒在不同裂纹深度、材料、过盈量和尺寸情况下的应力强度因子。
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