Identification of Sudden Stiffness Change in the Acceleration Response of a Nonlinear Hysteretic Structure

<div>Two-stage sudden stiffness change of nonlinear structure detection strategy. (a) The first stage: primary damage assessment. (b) The second stage: refined damage assessment.</div>

Shock and Vibration

fig9

Figure 9

Figure 9: Identification of Sudden Stiffness Change in the Acceleration Response of a Nonlinear Hysteretic Structure 