Research Article
Differential Evolution: An Inverse Approach for Crack Detection
Table 3
Calculated frequencies using theoretical analysis.
| | Sl. No. | Crack | Bending frequencies (Hz) | | Location (mm) | Depth (mm) | f
1 | f
2 | f
3 |
| | 1 | No crack | 0.0 | 7.6829 | 47.1839 | 132.1165 | | 2 | 200 | 1.8 | 7.4123 | 46.6920 | 130.2206 | | 3 | 400 | 1.8 | 7.3648 | 46.6467 | 130.7678 | | 4 | 600 | 1.8 | 7.489 8 | 46.6006 | 130.5848 | | 5 | 200 | 2.4 | 7.3745 | 46.6821 | 130.3828 | | 6 | 400 | 2.4 | 7.3547 | 46.1335 | 130.7672 | | 7 | 600 | 2.4 | 7.2969 | 46.5039 | 129.1213 |
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