Finally, formulas for stress intensity factors are deduced.

最后，得出了应力强度因子计算公式。

The results show that the stress intensity and stiffness are enough.

结果表明，刚架结构的强度和刚度是足够的。

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。

So the stress intensity factors can be obtained by the displacement discontinuities.

基于裂纹表面位移间断的计算结果得到了裂纹前沿的应力强度因子。

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。

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。

It is important for the design of pressure vessels to study stress intensity of this type of structure.

研究这种结构的应力强度对于压力容器的设计具有重要意义。

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。

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 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 stress intensity factors of both orthotropic and isotropic materials can be obtained from the present results.

正交各向异性和各向同性材料的应力强度因子均为本文的特例。

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 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。

The stress intensity factors K1 of various position of welded joint were measured by single edge precracked tensile specimen.

用单边预裂纹拉伸试样测定了焊接接头各部位的应力强度因子K1值。

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。

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 stress intensity factors of multitudinous arbitrarily distributed coplanar surface cracks are solved by using the line - spring model.

采用线弹簧模型求解多个共面任意分布表面裂纹的应力强度因子。

Because of the complexity in mathematics and the physics, solving the three-dimensional dynamic stress intensity factors is certainly limit.

三维裂纹在动态断裂力学中由于其数学和物理上的复杂性，求解其动态应力强度因子受到一定的限制。

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。

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。

This method proved available to find the stress intensity factors of the distributed load by integrating the intensity factors of concentration load.

通过积分集中载荷的应力强度因子求分布载荷的应力强度因子的方法是可行的。

In this paper, a boundary integral equation method is applied to compute the dynamic stress intensity factors of collinear periodic antiplane cracks.

本文采用一种边界积分方程法，计算了共线周期反平面裂纹的动应力强度因子。

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。

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。

Based on the principles of transmitted caustics as well as photoelasticity, the two techniques in determining stress intensity factors (SIF) are compared.

以光弹性法及焦散线法的基本原理为基础，对两种方法在确定应力强度因子方面进行了比较。