Showing papers in "International Journal of Mechanical Sciences in 2010"

TL;DR: In this article, an analytical model for predicting the effect of a localized defect on the ball bearing vibrations was presented, where the contacts between the ball and the races were considered as non-linear springs.

TL;DR: In this paper, the effects of friction modeling at the tool-chip-workpiece interfaces on chip formation process in predicting forces, temperatures and other field variables such as normal stress and shear stress on the tool by using advanced finite element (FE) simulation techniques.

TL;DR: In this paper, the effects of stretching rate on the stress-induced domains and stress hysteresis in NiTi strips were studied and it was found that the nominal stress-strain curve changed from the near-isothermal plateau-type with distinct stress drops at the very low strain rate to the nearadiabatic smooth hardening-type in the high strain-rate region.

TL;DR: In this paper, the influence of constitutive modeling for springback simulations is analyzed for four different materials in the rolling-, transverse, and diagonal directions of a simple U-bend.

TL;DR: In this article, the free vibration of laminated composite plates using two variable refined plate theory is presented, which accounts for parabolic distribution of the transverse shear strains through the plate thickness, and satisfies the zero traction boundary conditions on the surfaces of the plate without using shear correction factors.

TL;DR: In this paper, a physically based constitutive relation for defining the thermo viscoplastic behavior of FCC metals with dependence on strain on thermal activation processes is presented, based on previous considerations reported by Rusinek and Klepaczko.

TL;DR: In this paper, the behavior of a boring bar with a passive dynamic vibration absorber (DVA) for chatter suppression was investigated. But the analysis of the stability of the two-degree-of-freedom model was not considered, and only its first mode of vibration was considered.

TL;DR: In this article, an experimental and a theoretical study were carried out to predict the dynamic performance of a linear magnetorheological (MR) fluid damper, and the results showed that the flow model can accurately capture the dynamic force range of the MR damper.

TL;DR: In this article, the plastic energy absorption behavior of expansion tubes under axial compression by a conical-cylindrical die was investigated using FEM simulations and a numerical analysis was performed to investigate the tube deformation and the friction between the tube and die.

TL;DR: Kimoto et al. as discussed by the authors have numerically analyzed the dissociation process of seabed ground and predicted the deformation of hydrate-bearing sediments using the chemo-thermo-mechanically coupled model that takes into account the phase changes between hydrates and fluids during dissociation.

TL;DR: In this paper, a single-walled nanotube structure embedded in an elastic matrix is simulated by the nonlocal Euler-Bernoulli, Timoshenko, and higher order beams.

TL;DR: In this article, an exact closed-form frequency equation is presented for free vibration analysis of circular and annular moderately thick FG plates based on the Mindlin's first-order shear deformation plate theory.

TL;DR: In this paper, a generalized global-local theory that guarantees the continuity condition of all of the displacement and transverse stress components and considers the transverse flexibility under thermo-mechanical loads is introduced.

TL;DR: In this article, the effects of cutout on the load bearing capacity and stress concentration of flat infinite plates subjected to a uniaxial tension load were investigated. And the results indicated that the stress concentration factor of perforated plates can be significantly changed by using proper cutout shape, bluntness and orientation.

TL;DR: In this article, a modified single-degree-of-freedom (SDOF) dynamic system with a time-varying stiffness was presented to include the pre-sag influence on the dynamic interaction of the pantograph and the railway catenary.

TL;DR: In this article, the authors investigated the problem of inelastic bending and collapse of tubes in the presence of internal pressure using experiments and analyses, and demonstrated that successful prediction of collapse requires a very accurate representation of the material in elastic properties including yield anisotropies, and that the collapse curvature is sensitive to the imperfection amplitude and wavelength imposed.

TL;DR: In this article, a homotopy analysis method is employed to obtain exact solutions for the solution of steady, laminar, incompressible, viscous fluid of the boundary layer flow due to a rotating disk in the presence of a uniform suction or injection.

TL;DR: In this article, a numerical model of recrystallization taking the inhomogeneities of the plastic deformation of a polycrystalline metal into account is developed, and spontaneous nucleation is achieved through abnormal grain growth that is enabled by introducing the misorientation dependences of grain boundary energy and mobility.

TL;DR: In this paper, the influence of the density gradient profile on the mechanical response of graded polymeric hollow sphere agglomerates under impact loading was studied. But the authors focused on the effect of density gradient profiles on the energy absorption capacity of hollow spheres.

TL;DR: In this article, the effects of the evolution in anisotropy and the directionality in hardening on the predictions of the earing profile for aluminum alloy AA5042-H2 are investigated using a new methodology that incorporates multiple hardening curves corresponding to uniaxial tension along several orientations with respect to the rolling direction.

TL;DR: In this paper, the effects of self-and plastic accommodations on the transformation kinetics and morphology of microstructure of martensite phase are studied. And the authors show that stress relaxation behavior is dominant factor which characterizes the morphology of the growing martensitic phase.

TL;DR: In this article, the dynamic mechanical behavior of carbon-black-filled vulcanized natural rubber is experimentally investigated by stretching the rubber strips with various strain amplitudes at different frequencies in a sinusoidal tension mode.

TL;DR: In this paper, a method to analyze the large deflection of curved prismatic cantilever beams with uniform curvature subjected to a follower load at the tip is described, and the resulting two point boundary value problem (TPBVP) can be reduced to an initial value problem.

TL;DR: In this article, the authors investigated the effect of hydrogen on dislocation emission from a mode II crack in alpha iron using an atomistic model and found that hydrogen decreases the stacking fault energy of alpha iron, resulting in an enhancement of dislocation emissions.

TL;DR: In this paper, the buckling loads of rectangular composite plates having nine sets of different boundary conditions and subjected to non-uniform inplane loading are presented considering higher order shear deformation theory.

TL;DR: In this article, the role of geometric compatibility in forming two-dimensional (2D) equilibrium domain structures in plates of different aspect ratios W/L (width/length) was investigated.

TL;DR: In this article, the evolution of the boundaries of the domain is very complex, and an arbitrary Lagrangian-Eulerian (ALE) formulation is used with mesh deformation and local remeshing.

TL;DR: In this article, the effect of stress triaxiality, crystallographic orientations and initial void volume fractions on the growth and coalescence of voids in f.c. single crystals was investigated.

TL;DR: In this article, the elastic force of a red blood cell (RBC) membrane during its tank-treading motion was estimated using a three-dimensional spring network model, where stretch/compression and bending springs were placed to express planar shear and out-of-plane bending deformations, respectively.

TL;DR: In this paper, a quasi-static three-point bending response of both simply supported and clamped beams is measured along with the indentation response of the beams placed on a rigid foundation.