An Improved Finite Element Model Updating Method Based on the Singular Values of Frequency Response Functions

Table 2

Comparison of updating results of the plane truss model.

Parameter	Test mean value	Initial mean value	Preupdating error (%)	Updated mean value	Updated error (%)
	1.500	1.953	30.187	1.498	0.107
	2.000	2.399	19.930	1.996	0.211
	0.800	1.069	33.588	0.799	0.106
	3.000	2.774	7.537	2.999	0.009