Damage Detection Technique for Cold-Formed Steel Beam Structure Based on NSGA-II

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left"> </td><td align="center">Rotational stiffness at right end of element 1</td><td align="center">Rotational stiffness at left end of element 2</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">Assumed values (kN⋅m/rad)</td><td align="center">295.20</td><td align="center">147.60</td></tr><tr><td align="left">Identified values (kN⋅m/rad)</td><td align="center">290.09</td><td align="center">157.64</td></tr><tr><td align="left">Error (%)</td><td align="center">1.73</td><td align="center">−6.80</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Assumed and identified rotational stiffness for single damage case.

Shock and Vibration

tab3

Table 3

Table 3: Damage Detection Technique for Cold-Formed Steel Beam Structure Based on NSGA-II 