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1 双椭球热源模型参数

Table 1 Parameters of double ellipsoid heat source model

参数 数值 qf /(W·mm-3) 44.0 qr /(W·mm-3) 36.7 af /mm 3 ar /mm 6 b/mm 4 c/mm 2 Q/W 4 004