耦合焊接残余应力的横波可控震源振动器平板疲劳寿命预测
陈振,陈能鹏,冉庆杰,王乔木,魏超成,鞠浩文

Fatigue life prediction of sheer wave vibroseis vibrator baseplate coupled with welding residual stress
Zhen CHEN,Nengpeng CHEN,Qingjie RAN,Qiaomu WANG,Chaocheng WEI,Haowen JU
表5 振动器平板各危险节点的疲劳寿命
Table 5 Fatigue life of each dangerous node of vibrator baseplate
节点

应力循环数

NF/次

平均累积

损伤量D

疲劳寿命/a
XS1M7.53×1051.33×10-68.37
XS2M7.57×1051.32×10-68.41
XS3M7.82×1051.28×10-68.69
XS4M7.33×1051.37×10-68.14
XS5M7.40×1051.35×10-68.22