Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/62195
Title: Damage characterization in plates using singularity of scale mode shapes
Authors: Cao, MS
Xu, H
Bai, RB
Ostachowicz, W
Radzieński, M
Chen, L
Issue Date: 2015
Publisher: American Institute of Physics
Source: Applied physics letters, 2015, v. 106, no. 12, 121906 How to cite?
Journal: Applied physics letters 
Abstract: Damage is a prevailing physical phenomenon in in-service structures; accumulation of damage can cause catastrophic structural failure. For damage identification in plates, the concept of scale mode shape with fractal singularity is formulated based on 2D Gabor wavelet transform incorporating fractal dimension analysis of measured mode shapes. With this concept, a scale fractal complexity spectrum is created to reveal mode shape singularities by eliminating noise and interference. The singularity manifests the abnormality of the mode shape, clearly indicating damage. This study develops a philosophy of fusing wavelets and fractals to detect singularities of physical fields in noisy conditions.
URI: http://hdl.handle.net/10397/62195
ISSN: 0003-6951
EISSN: 1077-3118
DOI: 10.1063/1.4916678
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