Open AccessNumerical Simulation of Non-Destructive Characterization of CFRP Composite Through Frequency Modulated Thermal wave Imaging
Author(s) -
T Saketh,
B. Tech,
Vagu Bharadwaj Sathwik,
Deng Sai,
V Gopi Tilak,
G Chandra,
G. V. P. Chandra Sekhar Yadav,
V. S. Ghali,
D Sai Prahlad,
G. Chandra Sekhar
Publication year - 2019
Publication title -
international journal of recent technology and engineering (ijrte)
Language(s) - English
Resource type - Journals
ISSN - 2277-3878
DOI - 10.35940/ijrte.d9263.118419
Subject(s) - fast fourier transform , thermography , materials science , pulse compression , acoustics , nondestructive testing , visualization , computer simulation , signal processing , characterization (materials science) , noise (video) , computer science , optics , infrared , electronic engineering , engineering , digital signal processing , artificial intelligence , physics , simulation , telecommunications , image (mathematics) , radar , algorithm , quantum mechanics , nanotechnology
Non-destructive testing plays a vital role in industrial and biomedical applications. Non-stationary stimulation based active Infrared thermography is an emerging area of interest in subsurface defect detection and visualization. In present article, frequency modulated thermal wave imaging is employed on a numerical simulation to detect defects of CFRP specimen and applied various post processing techniques such as FFT phase, Pulse compression, principal component analysis and random projection transform for better defect detection. Defect Signal to noise ratios considered as merit of analysis.
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