Effect of Sinusoidal Fiber Waviness on Non-Linear Dynamic Performance of Laminated Composite Plates with Variable Fiber Spacing
- Authors: Mohammed W.H.1, Shambina S.L.1, Ammash H.K.2
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Affiliations:
- RUDN University
- University of Al-Qadisiyah
- Issue: Vol 20, No 2 (2024)
- Pages: 109-119
- Section: Analysis and design of building structures
- URL: https://journals.rcsi.science/1815-5235/article/view/325892
- DOI: https://doi.org/10.22363/1815-5235-2024-20-2-109-119
- EDN: https://elibrary.ru/HIVYGU
- ID: 325892
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Abstract
This study investigated influence of varying waviness characteristics of fiber, represented by path amplitude Δ and different numbers of half sine waves k , on the elastic-plastic dynamic behaviour of laminated composite plates with variable fiber spacing. The analysis was based on the equations for action of constant axial dynamic loading and two-dimensional layered approach with classical first order shear deformation theory with five degrees of freedom per node, and it was performed with FORTRAN 94 programming language. Von-Karman’s assumptions were used for the discretization of the laminated plates to include geometric nonlinearity for nine-node Lagrangian isoperimetric quadrilateral elements. Complete bond between the layers was assumed with no delamination, which was based on first-order shear deformation theory. The Newmark implicit time integration method and Newton-Raphson iteration were simultaneously used to solve the nonlinear governing equation in conjunction. It was proven in the research that the nonlinear performance of the laminated composite plate was affected by the studied waviness parameters Δ and k , and also by the variable distribution pattern selected for this study.
About the authors
Wisam H. Mohammed
RUDN University
Email: 1042198083@rudn.ru
ORCID iD: 0000-0002-3266-8465
PhD student of the Department of Civil Engineering, Academy of Engineering
Moscow, RussiaSvetlana L. Shambina
RUDN University
Author for correspondence.
Email: shambina_sl@mail.ru
ORCID iD: 0000-0002-9923-176X
SPIN-code: 5568-0834
Candidate of Technical Science, Associate Professor of the Department of Civil Engineering, Academy of Engineering
Moscow, RussiaHaider K. Ammash
University of Al-Qadisiyah
Email: haider.ammash@qu.edu.iq
ORCID iD: 0000-0003-3672-6295
PhD, Professor in Civil Engineering Department, College of Engineering
Al-Qadisiyah, IraqReferences
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