Experimental Studies on Finite Element Model Updating for a Heated Beam-Like Structure

Table 4

Natural frequency differences of beam B under vibration shaker excitation before and after model updating.

Mode	Measured (Hz)	Initial (Hz)	Error (%)	Updated (Hz)	Error (%)
1	10.250	9.884	3.57	10.250	0.00
2	26.000	23.898	8.08	25.996	0.02