Identification of Crack Location in Beam Structures Using Wavelet Transform and Fractal Dimension

Figure 4

Crack location identification results using the proposed method for the third mode shape. (a) The third mode shape S and its wavelet decomposition at level 2. (b) FD of the detailed signal without linear mapping. (c) FD of the detailed signal by linear mapping.

(a)

(b)

(c)