Joints Parameters Identification in Numerical Modeling of Structural Dynamics

Table 4

Comparisons of two spot-welding modeling methodologies.

order	actual	rigid	MOD
1
Vibration mode	torsion	torsion	torsion
frequency/Hz	16.64	16.92	16.92
Error/Hz	-	0.28	0.28
2
Vibration mode	longitudinal bending	longitudinal bending	longitudinal bending
frequency/Hz	26.42	25.81	26.09
Error/Hz	-	−0.61	−0.33
3
Vibration mode	horizontal bending	horizontal bending	horizontal bending
frequency/Hz	32.23	31.84	32.31
Error/Hz	-	−0.39	0.08