基于NSGA-ⅡTOPSIS法的横波可控震源振动器平板疲劳寿命优化
陈振,冉庆杰,英晓洋,陈能鹏,魏超成,王乔木

Fatigue life optimization of sheer wave vibroseis vibrator baseplate based on NSGA-Ⅱ and TOPSIS method
Zhen CHEN,Qingjie RAN,Xiaoyang YING,Nengpeng CHEN,Chaocheng WEI,Qiaomu WANG
表3 振动器平板各向最大焊接残余应力的仿真值与计算值对比( v=8 mm/s
Table 3 Comparison of simulation values and calculation values of maximum welding residual stresses in all directions of vibrator baseplate (v=8 mm/s)
焊接层间温度/℃X向最大焊接残余应力Y向最大焊接残余应力Z向最大焊接残余应力
仿真值/MPa计算值/MPa相对误差/%仿真值/MPa计算值/MPa相对误差/%仿真值/MPa计算值/MPa相对误差/%
120501.78488.78-2.59177.53174.22-1.86114.02118.503.93
180507.39500.22-1.41161.40155.07-3.9294.3997.943.76
220508.07502.56-1.08154.70157.711.9599.00100.271.28