When elastic waves propagate in structures with obstacles such as cutouts, cracks or interfaces and so on, wave scattering and dynamic stress concentration can occur near these scatterers.
弹性波在含有孔洞、裂纹或界面等障碍物的结构中传播时，会在它们附近发生散射，导致散射体附近产生动应力集中。
Based on the theory of elastic dynamics, the scattering of elastic waves and the dynamic stress concentration in a fiber-reinforced composite are studied.
基于弹性动力学理论，对纤维增强复合材料结构中弹性波散射及动应力集中问题进行了分析研究。
The main research contents in this dissertation are as follows: Elastic wave scattering and dynamic stress concentration in circular cylindrical shells with a hole are studied.
本论文具体研究工作如下：研究了含孔柱壳结构中弹性波散射与动应力集中问题。
According to results of tests and calculations, it is shown that the stress concentration coefficient of elastic corner is less about 15% than the ellipse arc corner.
试验和计算的结果表明：弹性角隅的应力集中系数比椭圆弧角隅降低15%左右。
Stress concentration factor generally is calculated based elastic mechanics method or empirical equation derived the conclusion of testing.
应力集中系数一般由实验确定或由弹性力学方法求出。
High calculation accuracy can be obtained in calculating the concentration factor of the stress around infinite elastic medium cavities by using boundary element method.
使用边界单元法计算无限大弹性介质中孔洞周边应力集中系数，可获得较高的计算精度。
An analytic method is developed for the problem of scattering of SH-wave and dynamic stress concentration around a circular cavity near the interface of elastic half space.
建立了求解在含有圆形孔洞的弹性半空间中SH波散射与圆形孔洞附近动应力集中问题的解析方法。
An analytic method is developed for the problem of scattering of SH-wave and dynamic stress concentration around a circular cavity near the interface of elastic half space.
建立了求解在含有圆形孔洞的弹性半空间中SH波散射与圆形孔洞附近动应力集中问题的解析方法。
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