摘要
基于有限元软件ANSYS的计算,对含有中心圆孔的有限板在板边界受到上阶跃波的作用时孔边动应力集中的响应进行分析。得到不同无量纲几何尺寸以及无量纲波数下的动应力响应曲线,并由此得到一些关于动应力响应规律性的结论。另外,对动应力集中系数、最大动应力与静态特征进行比较,并对比较结果进行讨论。
Using finite element method of the ANSYS software, an analysis was done for the dynamic stress concentration response near the central circular hole in a finite plate when the step stress wave was loaded on its boundary. Some conclusions about laws of dynamic stress concentrations are obtained from the curves of dynamic stress of different dimensionless geometrical parameters and dimensionless wave numbers. Mso compare dynamic stress concentrations, the maximal dynamic stress with the static characters and discuss the results of comparison.
出处
《机械强度》
EI
CAS
CSCD
北大核心
2005年第5期651-655,共5页
Journal of Mechanical Strength
基金
国家自然科学基金资助项目(40172094)。~~
关键词
动应力集中
无量纲波数
动应力响应周期
动态有限元法
Dynamic stress concentration
Dimensionless wave number
Dynamlc stress response period
Dynamic finite element method
