Showing papers in "International Journal of Engineering Science in 1997"

TL;DR: In this article, a chemo-electro-mechanical formulation of quasi-static finite deformation of swelling incompressible porous media is derived from mixture theory, which consists of an electrically charged porous solid saturated with a monovalent ionic solution.

TL;DR: In this article, an analysis of flow and heat transfer characteristics in an electrically conducting fluid near an isothermal sheet is carried out, and the resulting coupled nonlinear differential equations are integrated numerically.

TL;DR: In this article, a general weighted space-time averaging procedure is developed and utilized to obtain the average balance equations for granular materials, which take the same mathematical form while all average quantities involved in these equations retain the same clear physical meaning whether or not the continuum hypothesis is satisfied.

TL;DR: In this paper, a mathematical model governing free convection boundary-layer flow over an isothermal inclined plate embedded in a thermally stratified porous medium in the presence of a non-uniform transverse magnetic field is developed.

TL;DR: In this paper, a quadriphasic mixture model is used to model the swelling and shrinking behavior of soft biological tissues and the resulting non-linear integral equations are linearized and solved by the Newton-Raphson iteration procedure.

TL;DR: In this paper, the authors formulated the mode I crack problem for the inhomogeneous orthotropic plane and obtained the solution for various loading conditions and material parameters, including stiffness, stiffness ratio, and shear parameter.

TL;DR: In this paper, heat and mass transfer along a vertical plate under the combined buoyancy force effects of thermal and species diffusion, in the presence of the magnetic field is investigated and the boundary layer equations are transformed to ordinary differential equations.

TL;DR: In this paper, a nonlinear mathematical model with piecewise linear stiffness is used to investigate the vibration characteristics of a rub-impact rotor system supported on oil film bearings. And the Coulomb type of frictional relationship is assumed in the analysis.

TL;DR: In this paper, the existence of a unique solution to a dynamic frictional contact problem involving a thermoviscoelastic body that may undergo wear on the contacting surface is proved.

TL;DR: In this paper, the stability of a horizontal fluid and fluid-saturated porous layer heated from below is examined for the case of a time-dependent buoyancy force generated by gravity modulation.

TL;DR: In this paper, a variational principle is proposed to establish the governing equations of magnetoelastic interaction for soft ferromagnetic thin plate structures under complex magnetic fields, and the functional is chosen as the summation of the magnetic energy and the strain energy as well as the external work from applied magnetic fields.

TL;DR: In this paper, the state space formulation for one-dimensional problems of generalized magneto-thermoelasticity with two relaxation times in a perfectly conducting medium is introduced. And the resulting formulation is applied to a thermal shock problem, a problem of a layer medium and a problem for the infinite space in the presence of heat sources.

TL;DR: In this paper, the authors present the most general solutions to the two dimensional elliptic and hyperbolic Liouville equations using elementary techniques and demonstrate how previously known general solutions are special cases of these most general solution.

TL;DR: In this article, the small thickness oscillations of a piezo-semiconducting planar layer of finite thickness including heat conduction effects are investigated, and the vibrational response due to a deterministic excitation where, as an example, the thermo-piezoelectric oscillations under a midplane-concentrated heat source with two different time histories are examined in detail.

TL;DR: In this article, a semi-infinite mode III crack dynamically propagates in a two-dimensional linear elastic infinite body is considered, where the crack tip is assumed to be a cohesive zone whose size is determined so as to cancel the classical crack tip stress singularity caused by the applied loads.

TL;DR: In this paper, Cheng and He [Int. J. Engng Sci., 1995, 33, 389] showed that the micropolar Eshelby tensors are size-dependent both for the inside and for the outside of the circular cylinder.

TL;DR: A robust sliding mode control scheme for pneumatic servo systems can be designed so that the output tracking error within any neighborhood of boundary layer as time, t→∞, and strong robustness, with respect to large uncertain dynamics, can be guaranteed.

TL;DR: In this paper, two different definitions of symmetries for photoelasticity tensors are compared, and it is shown that this approach again leads to 12 classes, which is the same as the definition used in this paper.

TL;DR: In this paper, a method for investigating the problem of fracture (stability loss) of a unidirectional composite in compression has been given, which uses as a criterion the value of the compressive force for which the initial infinitesimal curvature given to the fibre or layer starts to increase and grows indefinitely.

TL;DR: In this paper, a general model of non-Newtonian fluids is considered and the shear stresses are considered to be arbitrary functions of velocity gradients using Lie Group analysis, the infinitesimal generators accepted by the equations are calculated for the arbitrary shear stress case.

TL;DR: Quantitative analysis ofBlood perfusion has been performed with a hierarchical mixture model of blood perfused biological tissue, for low Reynolds steady state Poiseuillian flow through two-dimensional, computer generated, rigid, arterial vascular trees.

TL;DR: In this article, the steady laminar flow of a second grade fluid near a rotating disk is considered and the viscoelasticity of the fluid gives rise to a boundary value problem in which the order of the differential equation is seven but there are only five boundary conditions.

TL;DR: In this article, a unified continuum theory is proposed governing the physical behavior of all liquid crystals subject to electromagnetic (E-M) fields, including balance laws, static and dynamic constitutive equations.

TL;DR: In this article, the effect of Poiseuille flow on peristaltic transport of a particle-fluid mixture has been investigated in a two-dimensional mathematical model for the case where the walls of the channel execute sinusoidal motion of small amplitude.

TL;DR: In this article, the integrity bases for functions of a traceless symmetric third-order tensor A ijk and functions of an invariant tracless symmetric fourth-order T ijkl which are invariant under the three-dimensional proper orthogonal group R 3 were determined.

TL;DR: In this paper, the skin friction coefficients for the viscoelastic fluid are found to be significantly less than those of the Newtonian fluid, and the heat transfer at the wall increases with the Prandtl number.

TL;DR: In this article, an appropriate geometry of the model aortic bifurcation in the presence of stenosis is developed in order to analyse the flow phenomenon in the Bifurcated aorta owing to a pulsatile pressure gradient.

TL;DR: In this article, the steady, fully-developed flow of a liquid metal in a rectangular duct of constant cross-section with a uniform, transverse magnetic field was investigated through a composite core-side-layer spectral collocation solution, which explicitly resolved the flow in the side layers (parallel to the magnetic field) even for very large Hartmann numbers.

TL;DR: In this article, the authors performed a J-integral analysis for the plane problems of multiple subinterface microcracks near the tip of an interface macrocrack in bimaterial solids.

TL;DR: In this paper, two approaches to modeling the cyclic damage-plasticity behavior of metal matrix composites are presented, namely, a micro (micromechanical-damage) and a macro (continuum damage) based approach, which involves a fictitious undamaged configuration to which the plasticity equations are applied and constitutive equations derived.