SPECTRAL ANALYSIS OF LAMB WAVE PACKETS SCATTERED BY DAMAGE IN LAMINAR COMPOSITES
DOI:
https://doi.org/10.30890/2567-5273.2025-40-02-021Keywords:
Lamb wave, dispersion curve, filter, signal's bandwidth, laminated compositeAbstract
This article presents a novel spectrum decomposition approach for reconstructing the phase velocity dispersion curve of Lamb waves. The method's effectiveness is demonstrated by its ability to recover the dispersion curve over a significantly broader freqReferences
Barry, T. J., Kesharaju, M., Nagarajah, C. R., & Palanisamy, S. (2016). Defect characterisation in laminar composite structures using ultrasonic techniques and artificial neural networks. Journal of Composite Materials, issue 50, vol. 7, pp. 861-871
DOI: 10.1177/0021998315584651
Iarve, E. V., Gurvich, M. R., Mollenhauer, D. H., Rose, C. A., & Dávila, C. G. (2011). Mesh‐independent matrix cracking and delamination modeling in laminated composites. International journal for numerical methods in engineering, issue 88, vol. 8, pp. 749-773
DOI: 10.1002/nme.3195
Alfano, G., & Crisfield, M. (2001). Finite element interface models for the delamination analysis of laminated composites: mechanical and computational issues. International journal for numerical methods in engineering, issue 50, vol. 7, pp. 1701-1736
DOI: 10.1002/nme.93
Ricci, F., Monaco, E., Maio, L., Boffa, N. D., & Mal, A. K. (2016). Guided waves in a stiffened composite laminate with a delamination. Structural Health Monitoring, issue 15, vol. 3, pp. 351-358.
DOI: 10.1177/1475921716636335
Philibert, M., Yao, K., Gresil, M., & Soutis, C. (2022). Lamb waves-based technologies for structural health monitoring of composite structures for aircraft applications. European Journal of Materials, issue 2, vol. 1, pp. 436-474
DOI: 10.1080/26889277.2022.2094839
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