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Table 6 Optimized parameters

From: Structural Stress–Fatigue Life Curve Improvement of Spot Welding Based on Quasi-Newton Method

 Force and bending moment coefficientsDiameter coefficientsSheet thickness coefficients
FX,FY3.81 × 10−50.210.36
FZ2.34 × 10−50.290.38
MX,MY0.751.44 × 10−50.34
R20.8784