Showing papers in "International Journal of Engineering Science in 2007"

TL;DR: In this article, the Euler-Bernoulli, Timoshenko, Reddy, and Levinson beam theories are reformulated using the nonlocal differential constitutive relations of Eringen.

TL;DR: In this paper, the problem of a magnetohydrodynamic boundary layer flow of an upper-convected Maxwell (UCM) fluid is considered for the analytical solution using homotopy analysis method (HAM).

TL;DR: In this paper, the authors investigated the plane stress problem of anisotropic magneto-electro-elastic beams with the coefficients of elastic compliance, piezoelectricity, dielectric impermeability, and magnetic permeability being arbitrary functions of the thickness coordinate.

TL;DR: In this article, the authors investigated wave propagation in both single-walled carbon nanotubes (SWNTs) and double-wooled carbon nano-tubes (DWNTs), via two developed elastic shell theories: Love's thin cylindrical shell theory and the Cooper-Naghdi thick cylindric shell theory, in which the shear and inertia effects are taken into account.

TL;DR: In this article, the 3D static behavior of doubly curved functionally graded (FG) magneto-electro-elastic shells under the mechanical load, electric displacement and magnetic flux is studied by an asymptotic approach.

TL;DR: In this article, a second-order accurate finite volume code is modified in order to reconstruct the adjacent cells to the riblets at Cartesian coordinates, and a quadratic interpolation scheme is used to estimate the fluxes at the reformed cells.

TL;DR: In this paper, the problem of wire coating by withdrawal from a bath of a magnetohydrodynamic Oldroyd 8-constant fluid is investigated and the obtained non-linear differential equation has been solved using homotopy analysis method.

TL;DR: In this paper, the authors presented a novel numerical technique applicable to analyze the free vibration analysis of uniform and stepped cracked beams with circular cross-section, in which the finite element and component mode synthesis methods are used together, the beam is detached into parts from the crack section.

TL;DR: In this article, the propagation behavior of transverse surface waves (love waves) in a piezoelectric half space of polarized ceramics carrying a functionally graded material layer is studied from the three-dimensional equations of linear piezolectricity, and the effect of gradient coefficients on the dispersive relations and phase velocities of Love wave propagation is discussed in detail.

TL;DR: In this paper, the energetic balance in the Rayleigh-Stokes problem for a Maxwell fluid is studied for several initial and/or boundary conditions, in comparison with the Newtonian fluid, and the power of the wall shear stress and the dissipation increase while the boundary layer thickness decreases.

TL;DR: In this paper, free vibration analysis of a rotating, double tapered Timoshenko beam featuring coupling between flapwise bending and torsional vibrations is performed, and an efficient mathematical technique called the differential transform method (DTM) is used to solve the governing differential equations of motion.

TL;DR: In this article, the influence of hygrothermal conditioning on mechanical properties of a fiber/metal laminate has been investigated by tensile and compression tests, and the results show that for the glass fiber/epoxy composites tensile, compression and compression values decrease after hy-glare conditioning.

TL;DR: In this article, a connection between the first Eshelby's problem (the eigenstrain problem) and the second one (the inhomogeneity problem), for non-ellipsoidal shapes was made.

TL;DR: In this article, a new concept of homogenization is introduced to enable efficient analysis of the effects of surface roughness representations obtained by measurements in applications modeled by the Reynolds equation.

TL;DR: In this paper, a generalized similarity transformation is introduced to enable the analysis of the influence of temperature-dependent fluid properties on the momentum and thermal boundary layers developing along a steadily moving plane surface in a quiescent ambient.

TL;DR: In this article, the applicability of magnetic fields for controlling hydrodynamic separation in Jeffrey-Hamel flows of viscoelastic fluids was investigated and a local similarity solution was found for laminar, two-dimensional flow obeying second-order/second-grade model as its constitutive equation with the assumption that the flow is symmetric and purely radial.

TL;DR: In this article, the authors considered the problem of steady two-dimensional flow of a micropolar fluid impinging obliquely on a flat plate, which occurs in the boundary layer near an orthogonal stagnation point.

TL;DR: In this article, the effect of the presence of ice cover on the various reflection and transmission coefficients due to incident waves at the ice cover and the interface is depicted graphically in a number of figures.

TL;DR: A modified second grade non-Newtonian fluid model is considered in this paper, where the model is a combination of power-law and second grade fluids in which the fluid may exhibit normal stresses, shear thinning or shear thickening behaviors.

TL;DR: In this paper, the connection between effective elastic stiffnesses, piezoelectric coefficients and dielectric permeabilities of a fiber reinforced PPE composite with both phases (the matrix and the fibers) being transversely-isotropic is addressed.

TL;DR: In this paper, closed form solutions for the stress fields created by a semi-elliptic circumferential notch in an axisymmetric shaft under torsional loading are developed.

TL;DR: In this article, a mesh-free method is combined with a cohesive segments model, in which cracking and failure are regarded as the appearance and combination of a series of cohesive segments.

TL;DR: In this paper, the power due to the shear stress at the wall and the boundary layer thickness corresponding to the Rayleigh-Stokes problem for a second grade fluid are calculated for three different motions.

TL;DR: In this paper, a model for acoustic wave propagation in a porous material which also allows for propagation of a thermal displacement wave is presented, based on an approach of A.E. Green, F.R.S. and P.M. Naghdi and is presented for a modification of the theory of elastic materials with voids.

TL;DR: In this article, the linear theory of microstretch thermopiezoelectricity is studied and the continuous dependence of solutions upon initial data and body loads is also presented.

TL;DR: In this paper, an analytical treatment of the response of a transversely isotropic substrate-coating system subjected to axisymmetric time-harmonic excitations is presented.

TL;DR: In this article, the boundary element method was used to find a semi-analytical solution to the problem of stress concentration around a crack in a plane micropolar elasticity.

TL;DR: A continuous feedback control method based on the synchronization characteristics is presented to control a chaotic vehicle handling and steering system and is demonstrated to work quite well for nonlinear systems in achieving robust stability and protecting the vehicle from slip or spin.

TL;DR: In this article, the Fourier sine transform is applied in the horizontal direction to convert the boundary value problem to a Sturm-Liouville type boundary value associated with nonhomogeneous ordinary differential equation (ODE) in the transformed variable.

TL;DR: In this article, a stepping scheme is developed to predict the effective properties of composites with high inclusion volume fraction and/or several kinds of inclusions, where the inclusions are treated step by step and the effective stiffness coefficients are calculated for the resulting composite in each step.