Showing papers in "International Journal of Mechanical Sciences in 2016"

TL;DR: In this paper, the free and forced vibration characteristics of functionally graded (FG) porous beams with non-uniform porosity distribution whose elastic moduli and mass density are nonlinearly graded along the thickness direction were investigated.

TL;DR: In this article, the longitudinal vibration analysis of small-scaled rods is studied in the framework of the nonlocal strain gradient theory and the equations of motion and boundary conditions are derived by employing the Hamilton principle.

TL;DR: In this paper, a free vibration analysis of Carbon Nanotube-Reinforced Composite (CNTRC) conical shells is performed considering the agglomeration effect of carbon nanotubes (CNTs).

TL;DR: In this paper, a unified framework on higher-order shear deformation theories (HSDTs), modelling and analysis of laminated composite plates, is presented, which can theoretically cover all existing HSDTs models and is thus sufficient to describe the nonlinear and parabolic variation of transverse shear stress.

TL;DR: In this article, a coupled meshless method for 2D transient elastodynamic problems involving dynamic crack propagation is developed based on an efficient coupling between the finite point method (FPM) and a discretized form of Peridynamics.

TL;DR: In this paper, the effect of free surface waves of the fluid is taken into account in the analysis of vibrational characteristics of moving plates in continuous hot-dip galvanizing process, the linear and nonlinear free vibrations of an axially moving rectangular plate coupled with dense fluid having a free surface are investigated.

TL;DR: In this paper, a new accurate four-variable shear deformation plate theory is introduced to illustrate the hygrothermal vibration and buckling of FGM sandwich plates resting on Winkler-Pasternak elastic foundations.

TL;DR: In this paper, the influence of Richardson number (between 0.01 and 100), internal Rayleigh number, Hartmann number, inclination angle of the magnetic field, Young's modulus of flexible wall (between 5 × 10 2 N/m 2 and 10 6 N /m 2 ), and nanoparticle volume fraction on the fluid flow and heat transfer were numerically investigated.

TL;DR: In this paper, the effects of temperature change, CNTs distribution as well as CNT's volume fractions on the natural frequency of the CNT-reinforced cylindrical shell are investigated.

TL;DR: In this paper, a numerical study of a partially open trapezoidal cavity filled with a CuO nanofluid under the effect of uniform magnetic field of various orientations has been carried out.

TL;DR: In this article, the authors explored the crushing behavior of laterally variable thickness (LVT) multi-cell tubes as well as validate the corresponding finite element (FE) models and analytical solution for the mean crushing force.

TL;DR: In this article, an analysis of shear deformable functionally graded (FG) nanobeams in postbuckling based on modified couple stress theory is presented, where a material-length scale parameter is used to capture the size-dependent behavior of small-scale beams.

TL;DR: In this article, the authors conducted three dynamic tests on thin-walled tubes including conventional square tubes and two types of origami crash boxes on a drop hammer rig and found that the complete diamond mode is the most efficient one and the symmetric mode the most inefficient one in terms of energy absorption.

TL;DR: In this article, the bending collapse behavior of thin-walled square tubes with variable thickness in the cross-section was studied and the relative strength of the flanges versus the web plates was found to have significant influence on the force response and deformation pattern.

TL;DR: In this article, the authors proposed an all-strain based MMC (eMMC) model under plane stress condition, predicting the fracture strain dependent on strain ratio or Φ angle, instead of stress triaxiality and Lode angle parameter.

TL;DR: In this article, a non-local integral Euler-Bernoulli beam theory (NEBBT) was used to simulate the static and dynamical response of carbon nanotubes (CNTs) and nanobeams.

TL;DR: In this article, a gradual energy-absorbing structure was designed to improve the crash performance of subway vehicles, and a polynomial response surface method was employed to formulate the output responses of energy absorption and peak crushing force with the input parameters of t1, t2 and t3.

TL;DR: In this paper, a dual-rotor system capable of describing the mechanical vibration resulting from two imbalances and fixed point rubbing is established, considering the effects of the softer coatings painted on the discs and casing, the Lankarani-Nikravesh model is applied to describe the impact force between the compressor disc of the low pressure rotor and the casing convex point.

TL;DR: In this article, the impact of surface inclination angles and increasing tool wear on the edge forces was investigated. But the results showed that the effect of the surface inclination angle on edge forces is not as strong as that of constant edge forces.

TL;DR: In this paper, the buckling response of functionally graded nano-plate based on exponential shear deformation theory is presented, which is built upon the classical plate theory, an exponential functions are used in terms of thickness co-ordinate to include the effect of transverse deformation and rotary inertia.

TL;DR: In this paper, a generalized method for exploring the ploughing mechanism of both static and dynamic cuts was presented by only using the static milling forces, where a unified proportional form was used to express ploughings forces as function of the volume of the materials extruded under the clearance face of the tool.

TL;DR: In this paper, the elastic modulus, Poisson ratio, and yield stress of the above-mentioned porous biomaterials given the dimensions of their repeating unit cell were compared with computational results obtained in the current study and with experimental observations from one of their recent studies on selective laser melted porous titanium (Ti-6Al-4V).

TL;DR: In this paper, the buckling behavior of functionally graded piezoelectric (FGP) plates with porosities was examined employing a refined four-variable plate theory.

TL;DR: In this article, a non-classical Bernoulli-Euler model was developed to take into account the effects of a set of size dependent factors which ignored by the classical continuum mechanics, such as the microstructure local rotation, long-range interactions between a particle and the other particles of the continuum and the surface energy effects.

TL;DR: In this paper, the authors discussed the possibility of the active control action on elastic waves in phononic crystals with the weakly nonlinear monoatomic lattice chain and derived the approximate solution of the dispersion relation.

TL;DR: In this article, the ultrasonic-vibration assisted micro-channelling process on glasses by an abrasive slurry jet (ASJ) is presented and discussed both numerically and experimentally.

TL;DR: In this paper, the effects of volume fraction and diameter of the CNTs, loading level and interphase including the materials behavior and size on the creep-recovery strain of the nanocomposite were examined.

TL;DR: In this article, a new procedure was described to remove the differences in measured forming limits obtained from Marciniak and Nakazima tests, which are the two most frequently used testing methods to obtain necking limits for forming limit diagrams (FLD) used in formability analysis of sheet metal stamping processes.

TL;DR: In this article, the buckling response of piezoelectric cylindrical composite panels reinforced with carbon nano-tubes subjected to axial load is analyzed and the effects of such parameters as volume fraction of nano-tube, geometrical characteristics as well as two loading types of axial and biaxial on buckling load of the composite panel are investigated.

TL;DR: In this article, a multi-scale materials simulation model based on finite elements (FE) is developed for design and evaluation of materials for such applications, specifically examining several constitutive models for simulating the elasto-plastic behavior of the plate material while maintaining computational efficiency.