得到了快速扩展裂纹的动态应力强度因子。
Finally, the dynamic stress intensity factors of the fast-propagating crack is 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 transient displacement field and the dynamic stress intensity factor at the moving crack tip are obtained.
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。
Meanwhile, we find the dynamical stress intensity factor is bigger than the statical stress intensity factor under the same conditions.
人们发现，动态应力强度因子的变化滞后于应力脉冲冲击几微秒。
The dynamic SIF variation was found to lag behind the stress - pulse impingement by several microseconds.
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 loading state of specimen is important for calculation of the temporal evolution of dynamic stress intensity factor.
它们的结果表明：钝切口比尖锐切口的动态应力强度因子增长率更快。
Their results showed a more rapid rate of increase in the dynamic sif for blunt than for sharp notches.
利用自相似函数的方法获得应力、位移和动态应力强度因子的解析解。
The universal representations of analytical solutions are obtained by the approaches of self-similar functions.
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。
Because of the complexity in mathematics and the physics, solving the three-dimensional dynamic stress intensity factors is certainly limit.
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 result indicates that the maximum of dynamical stress intensity factor arrives behind the load time and increases with the size of thick wall cylinder.
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 crack-tip dynamic stress intensity factors decrease with the decrease of the crack length and the increase of the functionally gradient parameter.
改进的扩展有限元不需要经过后处理可以直接求得应力强度因子，从而为动态不连续问题的分析提供了便利。
The stress intensity factors can be evaluated without post-processing with the improved extended finite element method, so it is convenient to analyze the dynamic discontinuities.
改进的扩展有限元不需要经过后处理可以直接求得应力强度因子，从而为动态不连续问题的分析提供了便利。
The stress intensity factors can be evaluated without post-processing with the improved extended finite element method, so it is convenient to analyze the dynamic discontinuities.
应用推荐