the the main objective of this research paper is to present 3-d elasticity solution for free vibration analysis of elastically supported continuously graded carbon nanotube-reinforced (cgcntr) annular plates. the volume fractions of oriented, straight single-walled carbon nanotubes (swcnts) are assumed to be graded in the thickness direction. an equivalent continuum model based on the eshelby-m...

The The main objective of this research paper is to present 3-D elasticity solution for free vibration analysis of elastically supported continuously graded carbon nanotube-reinforced (CGCNTR) annular plates. The volume fractions of oriented, straight single-walled carbon nanotubes (SWCNTs) are assumed to be graded in the thickness direction. An equivalent continuum model based on the Eshelby-M...

An equivalent continuum model based on the Eshelby-Mori-Tanaka approach was employed to estimate the effective constitutive law for an elastic isotropic medium (i.e., the matrix) with oriented straight carbon nanotubes (CNTs). The two-dimensional generalized differential quadrature method was an efficient and accurate numerical tool for discretizing equations of motion and for implementing vari...

In this paper, the effects of carbon nanotube (CNT) orientation and aggregation on the static behavior of functionally graded nanocomposite cylinders reinforced by CNTs are investigated based on a mesh-free method. The used nanocomposites are made of the straight CNTs that are embedded in an isotropic polymer as matrix. The straight CNTs are oriented, randomly or aligned or local aggregated int...

in this paper, the effects of carbon nanotube (cnt) orientation and aggregation on the static behavior of functionally graded nanocomposite cylinders reinforced by cnts are investigated based on a mesh-free method. the used nanocomposites are made of the straight cnts that are embedded in an isotropic polymer as matrix. the straight cnts are oriented, randomly or aligned or local aggregated int...

In this work, geometrically nonlinear behavior of sandwich composite beams reinforced by carbon nanotubes is studied, taking into account the influence agglomeration (CNTs). The core homogeneous while two face sheets are made CNT with effective material properties being estimated Eshelby-Mori-Tanaka approach. A first-order shear deformable beam element formulated in context total Lagrange formu...

Abstract The explicit expression of Eshelby tensors for one-dimensional (1D) hexagonal quasicrystal composites is presented by using Green’s function method. closed forms in the special cases spheroid, elliptic cylinder, ribbon-like, penny-shaped, and rod-shaped inclusions embedded 1D matrices are given. As an application tensors, analytical expressions effective properties derived based on Mor...

The scale effect of carbon nanotubes (CNTs) in the macro CNT-reinforced composites (CNTRCs) is analyzed, and free vibration characteristics a composite beam resting on viscoelastic foundation were studied. By combining nonlocal theory with Eshelby–Mori–Tanaka (EMT) method, EMT constitutive equation considering CNTs CNTRCs proposed. Based Timoshenko theory, governing equations corresponding boun...

The purpose of this study is to evaluate the effect of aging in either air or nitrogen on the residual interlaminar strains and stresses in unidirectional and woven graphite/polyimide composites. In order to accomplish this goal, XRD measurements have been made on embedded aluminum inclusions placed between the first and second plies of both unidirectional and fabric graphite /PMR-15 composite ...

In this work, the quasi-3D hyperbolic shear deformation theory (quasi-3D HSDT) is utilized to examine dynamics of thick rectangular plates reinforced with nanofillers known as graphene nanoplatelets (GNPs). Agglomeration GNPs incorporated and mechanical characteristics like shear, elastic, bulk moduli, Poisson's ratio, density are analysed according mixture along Eshelby-Mori-Tanaka approach. H...