基于动态贝叶斯网络的变幅载荷下疲劳裂纹扩展预测方法

王泓晖,房鑫,李德江,刘贵杰

Fatigue crack growth prediction method under variable amplitude load based on dynamic Bayesian network

Hong-hui WANG,Xin FANG,De-jiang LI,Gui-jie LIU

表 4 周期性高载疲劳试验载荷大小

Tab.4 Load size of cyclic high-load fatigue test

${S_{ {\rm{min} } } } /{\rm{MPa}}$ ${S_{ {\rm{max} } } } /{\rm{MPa}}$ $\Delta S /{\rm{MPa}}$ ${{R} }$ ${S_{ {\rm{OL} } } }/{\rm{MPa}}$ ${N_1}$ ${N_2}$ 1.5 30.0 28.5 0.05 45.0 1000 500