Wood Beam Damage Identification Based on the Curvature Mode and Wavelet Transform

Figure 21

Comparison of the first- and second-order displacement pattern of intact wooden beam and the finite element model. (a) Vibration pattern in the first-order displacement mode of finite elements. (b) Test the first-order displacement mode of finite elements. (c) Finite element second-order displacement mode of finite elements. (d) Test the second-order displacement mode of finite elements.

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