Showing papers in "Composite Structures in 2017"

TL;DR: In this article, a review of 3D printing methods of fiber reinforced polymers, namely, fused deposition modeling (FDM), laminated object manufacturing (LOM), stereolithography (SL), extrusion, and selective laser sintering (SLS) are reviewed in order to understand the trends and future directions in the respective areas.

TL;DR: In this paper, the free and forced vibration characteristics of functionally graded multilayer graphene nanoplatelet (GPL)/polymer composite plates within the framework of the first-order shear deformation plate theory were investigated.

TL;DR: In this article, the buckling and postbuckling behaviors of functionally graded multilayer nanocomposite beams reinforced with a low content of graphene platelets (GPLs) resting on an elastic foundation were investigated.

TL;DR: A critical review of literature on bending, buckling and free vibration analysis of shear deformable isotropic, laminated composite and sandwich beams based on equivalent single layer theories, layerwise theories, zig-zag theories and exact elasticity solution is presented in this paper.

TL;DR: In this paper, a comprehensive review on the development of higher-order continuum models for capturing size effects in small-scale structures is presented, mainly focusing on the size-dependent beam, plate and shell models developed based on the nonlocal elasticity theory, modified couple stress theory and strain gradient theory.

TL;DR: In this paper, the bending, buckling and vibration problems of axially functionally graded (FG) beams are solved by a generalized differential quadrature method, and the influence of power-law variation and size-dependent parameters on the axially FG beam behavior is investigated.

TL;DR: In this paper, the dynamic instability of functionally graded multilayer nanocomposite beams reinforced with a low content of graphene nanoplatelets (GPLs) and subjected to a combined action of a periodic axial force and a temperature change was studied.

TL;DR: In this paper, the authors combine 3D printing technique, numerical analysis, and experiments to design a new class of sandwich composites that exhibit various bending behaviors, including truss, conventional honeycomb, and re-entrant honeycomb topologies.

TL;DR: In this paper, the authors examined the performance of a new protective system utilizing auxetic honeycomb-cored sandwich panels for mitigation of shock loads from close-in and contact detonations of high explosives.

TL;DR: In this article, the feasibility of reducing fiber content in ultra-high-performance fiber-reinforced cement composites (UHP-FRCC) was investigated, and three different aspect ratios were applied for the case of straight fibers.

TL;DR: In this paper, unidirectional carbon fiber/epoxy composites where CNTs were introduced to enhance the hierarchical composites by two alternative strategies: mixing into the epoxy or attaching onto carbon fibers by electrophoretic deposition.

TL;DR: In this paper, the damping vibration characteristics of hygro-thermally affected functionally graded (FG) viscoelastic nanobeams embedded in a nonlocal strain gradient elasticity theory are investigated.

TL;DR: In this paper, a comprehensive review of developments, applications, various mathematical idealizations of materials, temperature profiles, modeling techniques and solutions methods that are adopted for the thermal analysis of FGM plates is presented.

TL;DR: In this paper, a study on the properties of sustainable high performance steel fiber-reinforced concretes that were manufactured with recycled concrete aggregates (RCA) is presented.

TL;DR: In this paper, a new design of honeycomb is proposed by embedding the rhombic configuration into the normal re-entrant hexagonal honeycomb (NRHH), in order to enhance the honeycomb's in-plane mechanical properties.

TL;DR: In this paper, the bending and vibration behaviors of a novel class of functionally graded trapezoidal plates reinforced with graphene nanoplatelets (GPLs) by employing the finite element method were investigated.

TL;DR: In this article, the buckling characteristics of a curved functionally graded (FG) nanobeam based on nonlocal strain gradient elasticity theory accounting the stress for not only the nonlocal stress field but also the strain gradients stress field were investigated.

TL;DR: In this paper, the nonlinear bending of functionally graded graphene-reinforced composite (FG-GRC) laminated plates resting on an elastic foundation and in a thermal environment is investigated.

TL;DR: In this paper, a numerical model was developed to predict the damage behaviors of composite sandwich structures with a honeycomb core subjected to low-velocity perforation impact, addressing the intra-laminar damage, interlaminar and adhesive delamination and strain rate effect of the materials.

TL;DR: In this paper, a full-field contactless optical method for measuring displacements in experimental testing, based on the correlation of the digital images taken during test execution, is used for the characterization of composite reinforcements.

TL;DR: In this article, the absorption behavior of water and its effect on the tensile and flexural properties of interwoven cellulosic fibres were investigated by immersing the composite samples in tap water at room temperature, until reaching their water content saturation point.

TL;DR: In this article, the authors presented an effective and simple computational formulation based on isogeometric analysis and generalized higher-order shear deformation theory (GHSDT) to study size-dependent analysis of functionally graded carbon nano-reinforced composite (FG-CNTRC) nanoplates.

TL;DR: In this article, the boundary value problems of Euler-Bernoulli beams were investigated in the framework of the nonlocal strain gradient theory in conjunction with the von Karman nonlinear geometric relation.

TL;DR: In this paper, the effects of the design parameters on the Poisson's ratio (PR), coefficient of thermal expansion (CTE), Young's modulus and relative density are systematically investigated using unit cell-based finite element simulations that incorporate periodic boundary conditions.

TL;DR: In this paper, the eigenvalue buckling of functionally graded graphene platelets (GPLs) reinforced cylindrical shells consisting of multiple layers through finite element method (FEM) was determined by modified Halpin-Tsai model and rule of mixture.

TL;DR: In this paper, the authors investigated the nonlinear steady-state responses of longitudinally traveling functionally graded material (FGM) plates immersed in liquid for the first time, and the results showed strong hardening-type behavior of the system.

TL;DR: In this paper, a micromechanics model is presented to predict the piezoresistive properties of CNT cement-based nanocomposites, with the consideration of waviness and non-uniform distributions of nanoinclusions.

TL;DR: In this paper, the postbuckling behavior of geometrically imperfect porous beams reinforced with graphene platelets (GPLs) and resting on nonlinear hardening foundation is investigated.

TL;DR: In this paper, the effects of fiber type and matrix strength on the fiber pullout behavior of high-performance fiber-reinforced cementitious composites (HPFRCC) were investigated.

TL;DR: In this article, the authors present a concise state-of-the-art review along with an exhaustive comparative investigation on surrogate models for critical comparative assessment of uncertainty in natural frequencies of composite plates on the basis of computational efficiency and accuracy.