梁结构疲劳刚度退化对模态频率的影响
卫军(
),杜永潇,梁曼舒
Influence of fatigue stiffness degradation for beam structure on modal frequency
Jun WEI(
),Yong-xiao DU,Man-shu LIANG
图 7.
跨中疲劳抗弯刚度退化曲线
Fig.7.
Fatigue bending stiffness degradation curves for mid-span