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

Table 3

Natural frequency differences of beam B under a hammer impact before and after model updating.

Mode	Measured (Hz)	Initial (Hz)	Error (%)	Updated (Hz)	Error (%)
1	7.125	7.480	4.98	7.125	0.00
2	32.000	33.556	4.86	32.000	0.00