...求解Laplace域里标准的Cauchy奇异积分方程,进而化为求解代数方程;应用Laplace数值反演技术,计算时域里的动应力强度因子(DSIF),考查了结构几何尺度和材料特性对裂尖动态断裂特性的影响,数值结果表明,DSIF存在一个主峰,到达主峰后,在其相应的静态值附近...
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... stress-intensity factor 应力强化因子 Dynamic Stress Intensity Factor 动应力强度因子 local stress intensity factor 局部应力强度因子 ...
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动态应力强度因子 DSIF
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。
In this paper, a boundary integral equation method is applied to compute the dynamic stress intensity factors of collinear periodic antiplane cracks.
讨论了界面两个共线裂纹与SH波的散射结果,给出了裂纹尖端动应力强度因子随介质参数变化的分布规律。
As an example, the scattering of SH-wave from only two interface co-linear cracks is discussed. The distributed regularities of the crack DSIF are determined when the medium parameters are altered.
研究了动载荷作用下带裂纹厚壁筒的应力强度因子。
We study stress intensity factor of thick wall cylinder with cracks under dynamic load.
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