On the Use of Singular Vectors for the Flexibility-Based Damage Detection under the Assumption of Unknown Structural Masses

Table 5

Flexibility matrix obtained by using unitary-mass-normalized identified modal vectors (from ERA-based procedure) and relative errors.

	Elements of the flexibility matrix
	0.2329	0.1696	0.1145	0.0650
	0.1696	0.1703	0.1136	0.0646
	0.1145	0.1136	0.1155	0.0644
	0.0650	0.0646	0.0644	0.0663
	0.00	0.08	0.54	0.66
	0.08	0.50	−0.25	0.02
	0.54	−0.25	1.39	−0.25
	0.66	0.02	−0.25	2.61