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Research Article | Open Access |

Post Treatment of Guided Wave by using Wavelet Transform in the Presence of a Defect on Surface

Author 1: MARRAKH Rachid Author 2: ALOUANE Houda Author 3: BELHOUSSINE DRISSI Taoufiq Author 4: NSIRI Benayad Author 5: ZAYRIT Soumaya
International Journal of Advanced Computer Science and Applications (IJACSA) · Vol. 10, No. 7 · Published 2019

DOI: https://doi.org/10.14569/IJACSA.2019.0100741

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Abstract

This article presents a Lamb wave processing by using two methods: Fast Fourier Transform (FFT2D) and Continuous Wavelet Transform (CWT) using Morlet wavelet. This treatment is done for a structure of two aluminum-copper plates, which are in contact edge to edge of a perpendicular junction with a thickness “e” in the presence of a rectangular and symmetrical defect located on the surface of the junction with a depth “d”. The aim under this study is to calculate the transmission and reflection energy coefficients by the two methods. The results of simulation obtained by Comsol software of an incident wave S0 at F = 800 kHz indicate us a good coherence between the two methods (FFT2D and CWT).

Keywords

Lamb wave defect reflection transmission CWT FFT2D

How to Cite this Article

Rachid, M., Houda, A., Taoufiq, B. D., Benayad, N., & Soumaya, Z. (2019). Post Treatment of Guided Wave by using Wavelet Transform in the Presence of a Defect on Surface. International Journal of Advanced Computer Science and Applications, 10(7). https://doi.org/10.14569/IJACSA.2019.0100741

Rachid, MARRAKH, et al.. "Post Treatment of Guided Wave by using Wavelet Transform in the Presence of a Defect on Surface." International Journal of Advanced Computer Science and Applications, vol. 10, no. 7, 2019, https://doi.org/10.14569/IJACSA.2019.0100741.

@article{Rachid2019,
  title     = {Post Treatment of Guided Wave by using Wavelet Transform in the Presence of a Defect on Surface},
  journal   = {International Journal of Advanced Computer Science and Applications},
  volume    = {10},
  number    = {7},
  year      = {2019},
  publisher = {The Science and Information Organization},
  author    = {MARRAKH Rachid and ALOUANE Houda and BELHOUSSINE DRISSI Taoufiq and NSIRI Benayad and ZAYRIT Soumaya},
  doi       = {10.14569/IJACSA.2019.0100741},
  url       = {https://doi.org/10.14569/IJACSA.2019.0100741}
}

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