重型机械Issue(2)：55-60,6.
基于XFEM的大型空心转轴初始裂纹尺寸的估计方法
Estimation method of large hollow rotating shaft initial crack size based on extended finite element method
唐清弟 1吴显良 2李林枝 1董士谦 1刘子超 3陈杰 3蒋旭2
作者信息
- 1. 华能澜沧江水电股份有限公司景洪水电厂,云南 景洪 666100
- 2. 昆明理工大学,云南 昆明 650500
- 3. 昆明品启科技有限公司,云南 昆明 650500
- 折叠
摘要
Abstract
Large hollow shaft is widely used in various heavy lifting machinery,which needs to bear a lot of cyclic fatigue load in actual operation,and its integrity may be damaged,so there is a risk of fatigue failure.In order to accurately grasp the life information of the rotating shaft and timely eliminate the hidden danger of the crane structure,Using the extended finite element method(XFEM)of Abaqus software,a modeling and simulation of a cracked hollow shaft was conducted to study?the influence of different initial crack sizes on the stiffness of the rotating shaft.Finally,by measuring the angular displacement difference at both ends corresponding to different initial crack sizes,and comparing with the angular displacement difference of healthy rotating shaft,the stiffness change is calculated.Instead of the traditional non-destructive testing method to evaluate the initial crack size of damaged rotating shaft for calculate the residual fatigue crack life,and which achieves the health monitoring of the life of the main drive shaft for large mechanical equipment.关键词
大型空心转轴/初始裂纹尺寸/Abaqus/扩展有限元法(XFEM)/健康监测Key words
large hollow rotating shaft/initial crack size/Abaqus/extended finite element method(XFEM)/health monitoring分类
机械制造引用本文复制引用
唐清弟,吴显良,李林枝,董士谦,刘子超,陈杰,蒋旭..基于XFEM的大型空心转轴初始裂纹尺寸的估计方法[J].重型机械,2025,(2):55-60,6.
