A Combined Modal Correlation Criterion for Structural Damage Identification with Noisy Modal Data

Figure 2

Beam example: first four eigenmodes of the undamaged structure. (a) Eigenmode 1 (T₁ = 0.115 s), (b) eigenmode 2 (T₂ = 0.029 s), (c) eigenmode 3 (T₃ = 0.013 s), and (d) eigenmode 4 (T₄ = 0.007 s).

(a)

(b)

(c)

(d)