Fig. 10

Examples of time evolutions of displacements in the z direction of the 8-th story for SNR\(=10\) dB, with \(f_{1,2}^{ax}=\left( 15.5, 22.0 \right) \), \(\gamma _{1,2}^{ax}=\left( 1.133,-1.140\right) \), in the undamaged scenario (a) and all possible damage scenarios (h–i). Orange lines represent \({\varvec{u}}\), whereas black lines stand for \({\varvec{r}}\), according to Eq. (2). To show the effects of damage on the structural dynamics, the black dotted lines in h–i report the noise-free structural dynamics related to the undamage scenario