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Showing papers in "International Journal of Mechanical Sciences in 2017"


Journal ArticleDOI
TL;DR: In this paper, it is shown that the existence of a solution of nonlocal beam elastostatic problems is an exception, the rule being non-existence for problems of applicative interest.

405 citations


Journal ArticleDOI
TL;DR: In this article, the free vibration characteristics of cylindrical shells with arbitrary boundary conditions are investigated, and a unified solution for the three different types of expansion functions is developed using the Rayleigh-Ritz method.

187 citations


Journal ArticleDOI
TL;DR: In this paper, a conjugated bond-based peridynamics (BB-PD) model was proposed for crack propagation and coalescence behaviors in rock specimens containing pre-existing open flaws under uniaxial compression.

171 citations


Journal ArticleDOI
TL;DR: In this article, a size-dependent Euler-Bernoulli beam model is proposed to investigate the scaling effect on the post-buckling behaviors of functionally graded (FG) nanobeams with the von Karman geometric nonlinearity.

159 citations


Journal ArticleDOI
TL;DR: In this article, the steady two-dimensional boundary layer flow of Burgers bioconvection nanofluid containing of nanoparticles and gyrotactic microorganisms is scrutinized.

158 citations


Journal ArticleDOI
TL;DR: In this article, the authors investigated the biaxially compressed buckling and postbuckling behaviors of functionally graded multilayer composite plates reinforced with a low content of graphene nanoplatelets that are randomly oriented and uniformly dispersed in the polymer matrix within each individual layer.

157 citations


Journal ArticleDOI
TL;DR: In this article, a range of criss-cross sections were parametrically modeled with spline curves and a parametric study was subsequently performed to explore the effects of different parameterized shapes on crashing characteristics.

153 citations


Journal ArticleDOI
TL;DR: In this article, an analytical model of a 3D reentrant auxetic cellular structure has been established based on energy method, and numerical calculations using brick elements were performed on unit cell models with periodic boundary conditions, and comparisons of the present model with analytical formulae and experimental results available in former literatures were also conducted.

144 citations


Journal ArticleDOI
TL;DR: In this article, three dimensional magnetohydrodynamic flow and heat transfer analysis associated with thermal radiation as well as viscous dissipation of nanofluid over a shrinking surface has been investigated.

141 citations


Journal ArticleDOI
TL;DR: In this paper, the applicability of the recently proposed stress-driven non-local elastic model is discussed and illustrated by description of a general solution procedure for nonlocal elastic beams.

141 citations


Journal ArticleDOI
TL;DR: In this paper, the heat, mass and motile microorganisms transfer rate in the magnetohydrodynamic (MHD) convective flow of tangent hyperbolic material was analyzed in presence of both nanoparticles past an exponential surface.

Journal ArticleDOI
TL;DR: In this article, the nonlinear instability of functionally graded multilayer graphene platelet-reinforced composites (GPLRC) nanoshells under axial compressive load is examined.

Journal ArticleDOI
TL;DR: In this article, numerical simulation of mixed convection in a partitioned square cavity having CuO-Water nanofluid and superposed porous medium with an adiabatic rotating cylinder is performed.

Journal ArticleDOI
TL;DR: In this article, the effect of attack angle of ribs and Al2O3 nanoparticles on the heat transfer enhancement was investigated and the results showed that the presence of ribs with the creation of eddy on the direction of flow causes better mixture of flow and consequently, heat transfer increases and adding nanoparticles to the base flow causes more augment of heat transfer.

Journal ArticleDOI
TL;DR: In this article, the melting of nanoparticles-enhanced phase-change materials (NEPCM) in a square cavity using the finite element method is studied. And the authors have shown the consistency of the liquid-solid phase progress with the available experimental results, i.e. the melting process expedites when the enhancement in the thermal conductivity is much greater than the enhancement of the dynamic viscosity.

Journal ArticleDOI
TL;DR: In this article, the authors investigated dynamic response and vibration of composite double curved shallow shells with negative Poisson's ratios in auxetic honeycombs core layer on elastic foundations subjected to blast and damping loads using analytical solution.

Journal ArticleDOI
TL;DR: In this paper, the size-dependent longitudinal and torsional dynamic problems for small-scaled rods are modeled by utilizing an integral formula of two-phase nonlocal theory, which depends on the internal characteristic length via convolution integrals over exponential kernel.

Journal ArticleDOI
TL;DR: In this paper, a piezoelectric sandwich plate is used to simulate the orthotropic visco-Pasternak model and a proportional-derivative (PD) controller is employed to control the phase velocity in the structure.

Journal ArticleDOI
TL;DR: In this paper, the authors investigated the heat, mass and motile microorganisms transfer rates in the convective stretched flow of Maxwell fluid consisting of nanoparticles and gyrotactic microorganisms.

Journal ArticleDOI
TL;DR: In this paper, an exact transfer matrix method was developed to analyze the free vibration characteristics of a functionally graded beam, which can be used to produce the natural frequencies and mode shapes for such problems in which material properties such as the elastic modulus and density are assumed to vary continuously along the height direction of the beam cross-section depending on a power-law form.

Journal ArticleDOI
TL;DR: In this article, the static and free vibration behavior of rotating functionally graded (FG) truncated conical shells reinforced by carbon nanotubes (CNTs) with a gradual distribution of the volume fraction through the thickness was investigated.

Journal ArticleDOI
TL;DR: In this paper, the deformation behavior of the FDM samples in general and individual rasters of different thicknesses (layer thickness), in particular, laid at different directions under uniaxial tension is revealed.

Journal ArticleDOI
TL;DR: In this paper, the authors studied the thermal-hydraulic performance of a sinusoidal-wavy wall mini-channel with wall phase shift and variable wavelength, and found that the shape of nanoparticles can greatly influence the performance of the mini channel.

Journal ArticleDOI
TL;DR: In this paper, a wide range of parameters for the Johnson-Cook constitutive model, the most used flow stress in metal cutting modelling, are compared in a Coupled Eulerian Lagrangian (CEL) finite element orthogonal cutting model.

Journal ArticleDOI
TL;DR: In this paper, a detailed modeling methodology of grinding forces has been analytically established, experimentally validated and utilised to study a specific issue that previous methods can not address, namely, grinding forces with detailed information (e.g., three components including rubbing, plowing and cutting forces).

Journal ArticleDOI
TL;DR: In this paper, the effect of applying homogeneous magnetic field in Hartman numbers of 0, 30 and 60 on the natural and forced heat transfer parameters of nanofluid has been analyzed and compared.

Journal ArticleDOI
TL;DR: In this paper, a numerical solution technique of the coupled elasto-damage-plasticity problem, based on an alternate minimisation algorithm, is proposed and tested against semi-analytical results.

Journal ArticleDOI
TL;DR: In this article, the vibration behavior of a geometrically imperfect three-layered shear-deformable microbeam is analyzed via model development and numerical simulations, taking into account all the translational and rotational motions, considering continuous variations through the thickness for the displacement field, employing the modified couple stress theory for including small-size effects, and using constitutive relations for both stress and the deviatoric part of the couple stress tensors.

Journal ArticleDOI
TL;DR: In this paper, the study of electrically conducting micropolar nanofluids flow over a stretching sheet influencing by thermal radiation and non-uniform heat source/sink in presence of transverse magnetic field investigated numerically and simulated with RungeKutta-Fehlberg method with shooting techniques.

Journal ArticleDOI
TL;DR: In this article, the effect of partial or complete filling of the enclosure with porous media for various Rayleigh (Ra, Da and n parameters) and Darcy (Da, 10 −4 −10 −1 ), power-law index ( n, = 0.6-1.4), effective to base fluid thermal conductivity ratio (k eff /k f ǫ= 16, 4) and the porous layer thickness (R d ) are studied on heat transfer, entropy generation and the overall performance.