会议论文详细信息
12th International Conference on Damage Assessment of Structures
A proposal application based on strain energy for damage detection and quantification of beam composite structure using vibration data
Tiachacht, S.^1 ; Bouazzouni, A.^1 ; Khatir, S.^2 ; Behtani, M.A.^1 ; Zhou, Y.-L.^3 ; Abdel Wahab, M.^2
Laboratory of Mechanics, Structure and Energetics (LMSE), Mouloud Mammeri University of Tizi-Ouzou, B.P.N17 RP, 15000, Algeria^1
Department of Electrical Energy, Systems and Automation, Faculty of Engineering and Architecture, Ghent University, Belgium^2
Department of Civil and Environmental Engineering, National University of Singapore, 2 Engineering Drive 2, Singapore
117576, Singapore^3
关键词: Carbon fibre reinforced polymer;    Detection and quantifications;    Free vibration;    MATLAB program;    Multiple damages;    Research papers;    Simply supported;    Vibration data;   
Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/842/1/012027/pdf
DOI  :  10.1088/1742-6596/842/1/012027
来源: IOP
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【 摘 要 】

In this research paper, the damage in Carbon Fibre Reinforced Polymer (CFRP) laminate beams under free vibration and simply supported conditions, is investigated numerically by Finite Element Method (FEM) using Matlab program. The developed Cornwell Indicator, which is based on strain energy fraction, is used for damage detection and quantification in the considered composite beams. The data was acquired by developing a software that performs dynamic analysis of composite beams based on FEM. The results show the efficiency of the developed indicator to detect and quantify damage for single and multiple damage scenarios.

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