Model Updating Method Based on Kriging Model for Structural Dynamics

Table 2

Parameters and errors of model updating.

		Elasticity modulus (GPa)	Material density (kg·m^−3)
Values by different methods	Test	210.000	7850.000
	K	211.273	7891.508
	U-K	210.005	7863.081
	RBF	211.285	7903.145
	RSM	210.945	8052.001
Average errors by different methods (%)	K	0.606	0.529
	U-K	0.002	0.167
	RBF	0.612	0.677
	RSM	0.450	2.573

Note. K represents the Kriging model; U-K represents the updated Kriging model.