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 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。
The method is applicable to all cases with known elastic solution. The example of a thick-wall cylinder with uniform internal pressure shows that the method suggested in this paper is reliable.
此方法适用于所有弹性解为已知的情况，由承受均匀内压的厚壁筒的示例可见本文的方法是可靠的。
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