Damage Index Analysis of Retaining Wall Structures Based on the Impulse Response Function and Virtual Impulse Response Function

Figure 7

The Hilbert feature vector of IRF and VIRF (the second time test at excitation point I). Point 1: (a) IRF (ε₀ = 0.2). (b) VIRF (ε₀ = 0.25). Point 7: (c) IRF (ε₀ = 0.15). (d) VIRF (ε₀ = 0.25). Point 12: (e) IRF (ε₀ = 0.15). (f) VIRF (ε₀ = 0.2). Point 25: (g) IRF (ε₀ = 0.25). (h) VIRF (ε₀ = 0.15).

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)