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

<div>The first three mode shapes for the intact model. (a) 1<sup>st</sup> order, 6.2152 Hz. (b) 2<sup>nd</sup> order, 6.2152 Hz. (c) 3<sup>rd</sup> order, 8.9878 Hz.</div>

Shock and Vibration

fig7

Figure 7

Figure 7: Damage Detection for Large-Scale Grid Structure Based on Virtual Axial Strain 