A Novel Artificial Bee Colony Algorithm for Structural Damage Detection

Table 8

Frequencies of the undamaged beam.

	First-order frequency (Hz)			Second-order frequency (Hz)			Third-order frequency (Hz)
	Numerical	Test	Error (%)	Numerical	Test	Error (%)	Numerical	Test	Error (%)
Original model	87.232	85.726	1.76	240.454	238.572	0.79	471.359	467.694	0.78
Baseline model	84.638		1.23	234.937		1.52	461.950		1.17

Error = |numerical − test|/test.