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Dynamic characteristics of woven flax/epoxy laminated composite plate
, V. Suthenthiraveerappa, A.R. Annamalai, S. Manivannan, V. Pragasam, P. Chinnaiyan, G. Mannayee, C.-P. Jen
Published in MDPI AG
Volume: 13
Issue: 2
Pages: 1 - 14
Due to the growing environmental awareness, the development of sustainable green composites is in high demand in composite industries, mainly in the automotive, aircraft, construction and marine applications. This work was an attempt to experimentally and numerically investigate the dynamic characteristics of Woven Flax/Bio epoxy laminated composite plates. In addition, the optimisation study on the dynamic behaviours of the Woven Flax/Bio epoxy composite plate is carried out using the response surface methodology (RSM) by consideration of the various parameters like ply orientation, boundary condition and aspect ratio. The elastic constants of the Woven Flax/Bio epoxy composite lamina needed for the numerical simulation are determined experimentally using two methods, i.e., the usual mechanical tests as well as through the impulse excitation of vibration-based approach and made a comparison between them. The numerical analysis on the free vibration characteristics of the composite was carried out using ANSYS, a finite element analysis (FEA) software. The confirmation of the FE model was accomplished by comparing the numerical results with its experimental counterpart. Finally, a comparison was made between the results obtained through the regression equation and finite element analysis. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
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PublisherMDPI AG