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Chinese Journal of Mechanical Engineering

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

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