Damage Detection for Large-Scale Grid Structure Based on Virtual Axial Strain

<div>The first three mode shapes for the damaged model. (a) 1<sup>st</sup> order, 6.2094 Hz. (b) 2<sup>nd</sup> order, 6.2151 Hz. (c) 3<sup>rd</sup> order, 8.8751 Hz.</div>

Shock and Vibration

fig8

Figure 8

Figure 8: Damage Detection for Large-Scale Grid Structure Based on Virtual Axial Strain 