Frequency Response Function-Based Finite Element Model Updating Using Extreme Learning Machine Model

Table 6

Natural frequencies of the FEM, experimental, and updated model.

Mode order	Initial FEM (Hz)	Experimental model (Hz)	Updated model (Hz)	Error (%)	Error (%)	Error reduction (%)
1	19.3290	17.4837	17.4904	10.55	0.038	99.63
2	62.6328	56.6535	56.6753
3	83.8904	75.8817	75.9109
4	126.4108	114.3429	114.3869
5	195.6685	176.9864	177.0545

Note: ; .