双频激振下带V形缺口轴的疲劳寿命研究
化春键,李冬冬,蒋毅,俞建峰,陈莹

Study on fatigue life of shaft with V-notch under dual-frequency excitation
Chun-jian HUA,Dong-dong LI,Yi JIANG,Jian-feng YU,Ying CHEN
表4 疲劳寿命预测模型的应用方案及结果
Table 4 Application scheme and result of fatigue life prediction model
序号θ/(°)r/mmd/mm预测值/s实测值/s实测平均值/s

误差/

%

1900.21.522.022.322.73.1
222.6
323.2
41.821.220.420.43.9
520.0
620.8
72.418.418.618.82.1
819.2
918.6