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Table 4 Comparison of the joint cross-sectional dimensions from the simulation and experiment

From: Prediction of Cross-Tension Strength of Self-Piercing Riveted Joints Using Finite Element Simulation and XGBoost Algorithm

Joint Undercut (UD, mm) Error (%) Minimum remaining thickness (RT, mm) Error
(%)
FE model Experiment FE model Experiment
SPR-A 0.41 0.39 6.2 0.16 0.17 3.0
SPR-B 0.43 0.42 2.4 0.83 0.91 8.8