Research Article

Differential Evolution: An Inverse Approach for Crack Detection

Table 2

Measured natural frequencies for single crack cantilever beam.

Sl. No.CrackBending frequencies (Hz)
Location (mm)Depth (mm)f 1 f 2 f 3

1No crack0.07.068344.2951124.0278
23001.27.058944.2267123.8194
33001.87.046644.1380123.5518
43002.47.026543.9916123.1154
54501.27.065444.2564123.9431
64501.87.061744.0162123.8339
74502.47.055643.7567123.6551
86001.27.067844.2532123.6751
96001.87.067344.1985123.2185
106002.47.066544.1068122.4656