Residual Force Method for damage identification in a laminated composite plate with different boundary conditions

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Published Dec 22, 2021
DOI https://doi.org/10.3221/IGF-ESIS.59.03

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Amar Behtani
Laboratory of Mechanics, Structure, and Energetics, Mouloud Mammeri University of Tizi-Ouzou, Algeria.
Samir Tiachacht
Laboratory of Mechanics, Structure, and Energetics, Mouloud Mammeri University of Tizi-Ouzou, Algeria.
https://orcid.org/0000-0002-3597-8725 Tawfiq Khatir
Department of Technology, University Centre of Naama - Salhi Ahmed, Naama, Algeria
Samir Khatir
Soete Laboratory, Faculty of Engineering and Architecture, Ghent University, Technologiepark Zwijnaarde, Zwijnaarde, Belgium.
Magd Abdel Wahab
Soete Laboratory, Faculty of Engineering and Architecture, Ghent University, Technologiepark Zwijnaarde, Zwijnaarde, Belgium.
https://orcid.org/0000-0002-3610-865X Brahim Benaissa
Design Engineering Laboratory, Toyota Technological Institute, Nagoya, Japan.
https://orcid.org/0000-0002-9472-9331

Abstract

The strongest point about damage identification based on the dynamic measurements, is the ability perform structural health evaluation globally. Researchers in the last few years payed more attention to damage indicators based on modal analysis using either frequencies, mode shapes, or Frequency Response Functions (FRFs). This paper presents a new application of damage identification in a cross-ply (0°/90°/0°) laminated composite plate based on Force Residual Method (FRM) damage indicator. Considering single and multiple damages with different damage levels. As well as investigating the SSSS and CCCC boundary conditions effect on the estimation accuracy. Moreover, a white Gaussian noise is introduced to test the challenge the technique. The results show that the suggested FRM indicator provides accurate results under different boundary conditions. Favouring the SSSS boundary condition than the CCCC for 3% noise.

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    Issue
    Vol. 16 No. 59 (2022): January 2022
    Section
    SI: Steels and Composites for Engineering Structures

    How to Cite

    Behtani, A. (2021) “Residual Force Method for damage identification in a laminated composite plate with different boundary conditions”, Frattura ed Integrità Strutturale, 16(59), pp. 35–48. doi: 10.3221/IGF-ESIS.59.03.
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