Research Article
A Universal Fast Algorithm for Sensitivity-Based Structural Damage Detection
Table 3
Results of the calculated damage parameters in [
13] (Example
2).
| Damage case | Element no. | True damage reduction | No noise | With noise | Iteration 1 | Iteration 2 | Iteration 1 | Iteration 2 | Iteration 3 |
| 1 | 16 | 0.3 | 0.400 (33.3%) | 0.311 (3.7%) | 0.482 (60.7%) | 0.421 (40.3%) | 0.378 (26%) | 2 | 1 | 0.3 | 0.412 (37.3%) | 0.317 (5.7%) | 0.452 (50.7%) | 0.342 (14%) | 0.318 (6%) | | 2 | 0.2 | 0.260 (30%) | 0.207 (3.5%) | 0.312 (56%) | 0.248 (24%) | 0.241 (20.5%) | 3 | 7 | 0.15 | 0.18 (20%) | 0.149 (0.7%) | 0.182 (21.3%) | 0.141 (6%) | 0.140 (6.7%) | | 11 | 0.2 | 0.236 (18%) | 0.205 (2.5%) | 0.172 (14%) | 0.194 (3%) | 0.196 (2%) | | 12 | 0.15 | 0.134 (10.7%) | 0.149 (0.7%) | 0.144 (4%) | 0.149 (0.7%) | 0.147 (2%) |
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The value in bracket denotes the comparative error between the calculated value and the true value.
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