Showing papers in "Composite Structures in 2020"

TL;DR: In this article, a review of the mechanism of embedding different continuous fibers into different plastics and their microstructural and mechanical properties including predicting models have been critically reviewed and based on the limitations of current technology future research directions have been defined.

TL;DR: In this paper, a novel type of seawater and sea sand concrete (SSC)-filled FRP-carbon steel composite tube (SFSCT) column composed of FRP and carbon steel composite tubes and core-filled SSC is proposed.

TL;DR: In this paper, an exhaustive review on modelling and analysis of multi-directional graded (beam/plate/shell) structures is presented, with an effort made to include research studies reported on multidirectional functionally graded beam, plate and shell structures with an emphasis on work published since 2000.

TL;DR: In this article, a novel one-dimensional quasi-zero-stiffness (QZS) metamaterial is proposed to acquire very low-frequency band gaps by combining positive stiffness (PS) elements and negative stiffness (NS) elements in parallel.

TL;DR: In this paper, size-dependent deflection analysis of FG graphene nanoplatelets (GNPs) reinforced composite micro-plates with porosity subjected to transverse load is studied. But the analysis is limited to the case of GNPs.

TL;DR: In this article, the authors reviewed recently published research into fiber reinforced polymer matrix composites formed using thin-ply laminates and showed that composites with thin-plastic laminations are of interest to aerospace and other high-performance industries.

TL;DR: In this paper, the anisotropic behavior of fiber reinforced cement-based material for 3D printing under bending was carefully examined, and it was shown that the uniform and aligned orientation fibers were key factors leading to the increase of ultimate strength and post-peak behavior.

TL;DR: In this article, the vibrational behavior of porous functionally graded magneto-electro-elastic (P-FGMEE) circular and annular plates is explored through finite element procedures.

TL;DR: In this article, a size-dependent model based on the NURBS basis functions integrated with quasi-3D shear deformation theory and the modified couple stress theory was presented for free vibration and buckling analyses of multilayer functionally graded graphene platelet-reinforced composite (FG GPLRC) microplates.

TL;DR: In this paper, a unified model with a simple and unified expression for predicting ultimate axial strength considering the shape and corner radius of the cross-section was proposed for the rectangular CFCT columns.

TL;DR: By better understanding how Genetic Algorithms are used in composite structures and comparing to evolutionary computational literature, recommendations are provided to help increase the use of Genetic Algorithmms in solving composite optimisation problems in the future.

TL;DR: In this paper, an ultra-broadband acoustic metamaterial that can achieve near-perfect continuous absorption within 380-Hz-3600-Hz with a thickness of only 7.2 cm is presented.

TL;DR: In this article, the Non-Uniform Rational B-Splines (NURBS) based analysis of stiffened laminated composite plates is presented, where a first-order shear deformation theory is used to derive the governing equations by employing a variational formulation.

TL;DR: A new modified damage indicator is proposed, using transmissibility technique to improve Local Frequency Response Ratio (LFCR), combined with ANN to reduce the number of collected data for fast prediction and with higher accuracy.

TL;DR: In this article, a nonlinear dynamic model for the nonlinear frequency and chaotic responses of the multi-scale hybrid nano-composites reinforced disk (MHCD) embedded in a viscoelastic media and subject to a harmonic load is derived.

TL;DR: A comprehensive parametric study concluded that the implementation of RBPNN with RFE and NID, separately, is a viable tool for assessing the strength and behavior of FRP in shear strengthened beams.

TL;DR: In this article, a nonlocal strain gradient isogeometric model using the non local strain gradient theory (NSGT) and IGA is developed to analyze free vibration and bending behaviors of functionally graded (FG) plates based on the higher-order shear deformation theory (HSDT) and NSGT.

TL;DR: In this paper, the authors provide an integrative review of the existing literature to identify current state-of-the-art 3D printing methods, materials, application in the textile and fashion industries.

TL;DR: In this article, the authors introduced a rigorous higher-order polynomial in the thickness coordinate to develop a theory with thickness and shear deformations for doubly curved, laminated composite shells.

TL;DR: In this article, a finite element analysis was carried out for modeling the lateral crushing behavior of aluminum, GFRP and CFRP tubes, and the numerical results were in good agreement with the experimental data, demonstrating the validity of these finite element (FE) models in predicting lateral crushing responses.

TL;DR: In this paper, a hybrid multiscale method is developed, combining a hierarchical multispectral approach with a concurrent approach, which allows to perform accurate parametric nonlinear analyses at a low computational cost.

TL;DR: In this paper, a unified Fourier series solution was proposed to solve the vibration problem of functionally graded carbon nanotube-reinforcement composite (FG-CNTRC) cylindrical shells, conical shells and annular plates subjected to general boundary conditions.

TL;DR: In this article, filament wound hybrid composite pipes with various stacking sequences were manufactured and mechanical properties such as hardness, ring tensile strength, and burst strength were experimentally investigated, after determining mechanical properties, drilling tests were performed to research machinability characteristics.

TL;DR: A novel approach for damage characterization through machine learning is presented where theoretical knowledge of failure and strain-softening is linked to the macroscopic response of quasi-isotropic composite laminates in over-height compact tension tests, demonstrating the effectiveness of machine learning to reduce experimental efforts forDamage characterization in composites.

TL;DR: A comprehensive overview of machine learning applications in composites manufacturing will be presented with discussions on a novel inspection software developed for the Automated Fiber Placement (AFP) process at the University of South Carolina utilizing an ML vision system.

TL;DR: In this article, the effects of the density of honeycomb cores, face-sheet thickness, punch diameter, and impact energy on impact loads and failure modes of Nomex honeycomb sandwich panels were explored.

TL;DR: In this paper, the flexure performances of pultruded glass FRP (P-GFRP) composite beams were investigated experimentally and theoretically with the help of variational methods.

TL;DR: In this paper, an experimental study on the effectiveness and performance of a new FRCM system made of FRP grid-reinforced ECC matrix (referred to as FGREM) for shear strengthening of reinforced concrete (RC) beams is presented.

TL;DR: In this paper, the effect of minimum quantity lubrication on the machinability of composite-titanium stacks was quantified in terms of drilling thrust forces, delamination damage of the composite phase and tool wear signatures.

TL;DR: In this article, the authors proposed a framework for identifying defects in composite materials by integrating a thermography test with a deep learning technique, which was validated by testing it on composite specimens produced by resin transfer molding and thermoplastic injection molding, using a combination of carbon/organo fabrics and thermoset/thermoplastic resins.