摘要
采用ANSYS10.0软件,以有限元分析为主要手段分别对间隙配合及干涉配合复合材料机械连接进行了三维模拟。在模拟过程中综合考虑了复合材料特性、螺栓与复合材料板及复合材料板与复合材料板之间的摩擦和接触以及螺栓和复合材料板的约束条件。解决了复合材料干涉配合高精度有限元模拟的关键技术,并通过预紧单元引入拧紧力矩。以此为基础,研究了间隙及干涉对复合材料机械连接强度的影响。结果表明:在复合材料机械连接中采用干涉量适当的干涉配合可以有效提高接头强度。
A parametric finite element analysis is conducted to investigate the effect of interference-fit on failure of the composites bolted joints. The analysis is based on a three-dimensional finite element model developed by ANSYS 10.0 software. The influence of composites properties, preload and other vital factors are studied in this progress. The result shows that the failure strength of the composites bolted joint can be improved by using interference-fit.
出处
《航空制造技术》
北大核心
2012年第12期62-64,67,共4页
Aeronautical Manufacturing Technology
关键词
复合材料
螺栓连接
干涉配合
强度预测
Composites Bolted-joint Interference-fit Strength predication
