Research Article
Damage Detection Technique for Cold-Formed Steel Beam Structure Based on NSGA-II
Table 5
Assumed and identified rotational stiffness for multiple damage case.
| | Rotational stiffness at right end of element 1 | Rotational stiffness at left end of element 2 | Rotational stiffness at right end of element 5 | Rotational stiffness at left end of element 6 |
| Assumed values (kN⋅m/rad) | 147.60 | 147.60 | 147.60 | 147.60 | Identified values (kN⋅m/rad) | 165.41 | 165.41 | 151.35 | 146.66 | Error (%) | 10.16 | −12.06 | −2.54 | 0.63 |
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