Table 6 Optimized parameters
From: Structural Stress–Fatigue Life Curve Improvement of Spot Welding Based on Quasi-Newton Method
Force and bending moment coefficients | Diameter coefficients | Sheet thickness coefficients | |
|---|---|---|---|
FX,FY | 3.81 × 10−5 | 0.21 | 0.36 |
FZ | 2.34 × 10−5 | 0.29 | 0.38 |
MX,MY | 0.75 | 1.44 × 10−5 | 0.34 |
R2 | 0.8784 | ||