Showing papers in "International Journal of Engineering Science in 1993"

TL;DR: In this article, the elastic strain and stress fields in an infinite medium constituted of an n-layered isotropic spherical inclusion, embedded in a matrix subjected to uniform stress or strain conditions at infinity, were derived.

TL;DR: In this article, a digital simulation procedure for studying deposition of aerosol particles in a turbulent channel flow is developed, where an empirical mean velocity profile and the experimental data for turbulent intensities are used in the analysis.

TL;DR: In this paper, an evaluation of the capabilities and limitations of four low-Reynolds number two-equation turbulence models for predicting bypass transition on a flat plate has been conducted.

TL;DR: In this paper, a geometrically nonlinear stress-curvature relation is expanded to allow for a less restrictive approximation of the midplane strains in a thin film/substrate system.

TL;DR: In this paper, the authors considered Rayleigh diffraction in elastic materials with a periodic microstructure whose heterogeneities are in finite concentration or show great contrasts in properties, and established the developments up to the third order.

TL;DR: In this paper, the authors studied plane incremental vibrations superimposed on the pure homogeneous deformation of a rectangular block of incompressible isotropic elastic material and derived the frequencies of symmetric and antisymmetric modes of vibration in terms of the underlying deformation and stress and of the inplane aspect ratio of the block.

TL;DR: In this article, the structural tensors of anisotropic symmetry groups are derived based on available properties of Kronecker products of orthogonal transformations, and a simple method of determining the structural Tensor with respect to any given symmetry group is developed.

TL;DR: In this article, a simple and exact solution procedure for linear free vibration of isotropic and orthotropic conical shells is presented, in the form of a power series in terms of a particularly convenient coordinate system, obtained directly from the governing equations for the three displacements.

TL;DR: In this article, the authors considered the crack problem for a semi-infinite nonhomogeneous thermoelastic solid subjected to steady heat flux over the boundary, where the crack faces were assumed to be insulated.

TL;DR: In this article, the complete and irreducible representations for two-dimensional orthotropic functions and two and three-dimensional relative isotropic functions of symmetric tensors, skew-symmetric tensor and vectors are derived.

TL;DR: In this paper, a new derivation procedure for determining the representations for 3-and 2-dimensional isotropic vector-valued functions of vectors, symmetric tensors and skew-symmetric tensor functions is presented.

TL;DR: In this paper, the theoretical formulation of a coupled theory of continuum damage mechanics and finite strain plasticity is presented, and a numerical application is presented to show how the model can be used to solve practical problems.

TL;DR: In this article, the state space formulation for generalized thermoelasticity with two relaxation times is introduced and the resulting formulation together with the Laplace transform technique are applied to a variety of problems.

TL;DR: An integrated distributed actuator design methodology based upon the converse piezoelectric effect and aimed at actively controlling the vertical and lateral eigenvibration characteristics of cantilevered thin-walled beams is presented in this article.

TL;DR: In this paper, an application of the maximum principle yields an a priori estimate for the derivative u x of the solution u of u t = u xx +s 0, subject to u(x, 0) = f(x), 0, and the specification of mass ∫ 0 b(t) u (x,t) d x = m(t), 0.

TL;DR: In this article, the interface crack problem for two elastic half spaces bonded through a nonhomogeneous interfacial zone is considered, where the medium is assumed to be under antiplane shear loading.

TL;DR: In this article, the authors derived the canonical representations for first, second, third and fourth order Kronecker powers of any two- or three-dimensional orthogonal tensor and applied these results to construct the micropolar elasticity matrices for micropolastic elastic tensors under the 13 anisotropic mechanics symmetry groups C n n = 1, 2, …, 13 as well as the isotropic symmetry group C 0.

TL;DR: In this article, fundamental solutions pertaining to Biot's equation of three-dimensional dynamic poroelasticity are derived in the Laplace transform domain, which define the displacement field in fluid-saturated media due to point forces in the solid and fluid phases.

TL;DR: In this article, the effect of elastic wave attenuation and dispersion on the attenuation of randomly cracked solids is investigated by using both the theory of Foldy and the causal approach based on Kramers-Kronig relations.

TL;DR: In this paper, the authors investigated the piezothermoelastic behavior of a thin plate exhibiting hexagonal material symmetry of class 6 mm and subject to axisymmetric surface heating.

TL;DR: In this paper, the second-moment closure model was used to approximate the Reynolds stresses of turbulent jets in crossflow at low to medium jet-to-crossflow velocity ratios.

TL;DR: In this paper, new variational inequalities are derived to improve the well-known Hashin-Shtrikman-Walpole's bounds on effective shear modulus of isotropic multiphase materials.

TL;DR: In this article, the effect of magnetic field along the vertical axis on thermoconvective instability in a ferromagnetic fluid saturating a rotating porous medium has been studied using a Darcy model.

TL;DR: In this paper, the effect of stratification on non-Darcian free convection flow and heat transfer was analyzed and it was found that the heat transfer is significantly affected by the modified Grashof number and the stratification parameter.

TL;DR: Two complementary approaches to the identification of measurements (regarded as space-time averages of microscopic quantities) with continuum field values are presented in this paper, where the elegant Irving and Kirkwood formalism, involving ensemble averaging, is reviewed and compared with an approach which utilises space time averaging only.

TL;DR: In this paper, the influence of magnetic fields along the vertical axis on thermoconvective instability in a ferromagnetic fluid saturating a rotating porous medium has been studied using Brinkman model.

TL;DR: In this article, attenuation and dispersion of elastic waves in a solid permeated by a random distribution of penny-shaped micro-cracks are analyzed. And the results for the attenuation coefficient and the effective wave velocity are presented, as functions of the crack density parameter, the crack orientation or the direction of wave incidence, and the wave frequency.

TL;DR: In this paper, the flow of an incompressible micropolar fluid past an approximate sphere, assuming uniform stream far away from the body along its axis of symmetry, was analyzed.

TL;DR: In this paper, it was shown that for liquid crystals having rigid rod-like molecular elements, the Micropolar theory reduces to the Director theory and the relationship between the two theories was established fully.

TL;DR: In this paper, the irreducibility of the representations derived in Part IV for three dimensional orthotropic scalar-valued, vector-valued and skew-symmetric tensor-valued functions of symmetric tensors and vectors is proved.