Showing papers in "International Journal of Mechanical Sciences in 2006"

TL;DR: In this article, the authors present the results of an experimental study involving stainless steel specimens with diameter-to-thickness ratios between 23 and 52, where 15 specimens were designed and machined to achieve uniform loading conditions in the test section.

TL;DR: In this article, a 3D finite element analysis model is created using LS-DYNA to simulate the transverse impact of a rigid right circular cylinder onto a square patch of plain-woven Kevlar fabric.

TL;DR: In this paper, the incremental harmonic balance method (IHBM) is extended to analyze the nonlinear dynamics of a spur gear pair and some new results are obtained, where the backlash, time-varying stiffness and static transmission error are represented by the multi-order harmonic series through Fourier expansion.

TL;DR: In this paper, the authors investigated the fatigue behavior of as-cast and extruded AZ61 magnesium alloys in ambient air (20°C-55%RH) and found that the casting defects served as stress concentration sites for fatigue crack nucleation.

TL;DR: In this paper, the detrimental effects of DSA and oxidation in high-temperature LCF are discussed with reference to extensive studies on 316L(N) stainless steel and modified 9Cr-1Mo steel.

TL;DR: In this paper, a bolted joint connecting two beams is shaken at two resonant frequencies and the authors present the experimental work on a single joint rig and the analytical models for representing the experimental results.

TL;DR: In this paper, a computer-aided approach is developed to achieve the cooling system optimal design, which expiates the trial and error process normally practiced in conventional cooling system design based on the designer's experience and intuition.

TL;DR: In this paper, a detailed experimental analysis involving different traction forces and/or geometries and the influence of the axial force and the internal pressure in the stability of an extended cylindrical membrane under internal pressure is carried out.

TL;DR: In this article, a detailed study on the stress-based forming limit criterion (FLSD) during linear and complex strain paths is developed by applying several combinations of different constitutive equations on the required plastic calculation.

TL;DR: In this paper, the thermal buckling analysis of functionally graded rectangular plates subjected to partial heating in a plane and uniform temperature rise through its thickness is presented. And the critical buckling temperatures of the plates with the predetermined resultant forces are calculated as the generalized eigenvalue problem which is constructed by using the Galerkin method.

TL;DR: In this article, the plastic buckling and collapse of long cylinders under combined internal pressure and axial compression was investigated through a combination of experiments and analysis, and the critical stress and wavelength were established using classical plastic bifurcation theory based on the deformation theory of plasticity.

TL;DR: In this article, an efficient numerical method has been developed and programmed to predict springback in creep age-forming (CAF) of aluminium shell components, which is mainly concentrated on the pure bending of aluminium plates.

TL;DR: In this paper, the evolution of uniform axisymmetric wrinkling in axially compressed cylinders is modeled using the principle of virtual work, which correctly simulates the growth of wrinkles and results in a limit load instability.

TL;DR: The main improvement of the present paper is to show the feasibility of piecewise virtual fields, which are defined by virtual nodal displacements of materials from whole-field strain data.

TL;DR: In this paper, an analytical method is developed to present the dynamic response of a cracked cantilever beam subject to a concentrated moving load, where the cracked beam system is modeled as a two-span beam and each span of the continuous beam is assumed to obey Euler-Bernoulli beam theory.

TL;DR: In this article, the influence of trimming conditions on quality of trimmed surface and to modify the trimming process to eliminate slivers and burrs from trimmed surface was studied through numerical simulation of the blank fracture and experimental study of trim surface formation.

TL;DR: In this paper, the impact force during low speed impact on circular sandwich panels was calculated using finite element analysis using ABAQUS to calculate impact damage on sandwich panels and the dependence of damage on both structural parameters and impact variables was investigated.

TL;DR: In this article, a three degree of freedom numerically controlled micro-positioning table has been developed, optimized for applications such as improving the machining precision of precision grinders, which consists of a moving platform, coupled to a base, three piezoelectric actuators and three capacitive sensors.

TL;DR: In this paper, the free vibration of a cantilever Timoshenko beam with a rigid tip mass is analyzed, where the mass center of the attached mass need not be coincident with its attachment point to the beam.

TL;DR: In this article, a non-linear model for the analysis of mode aircraft brake whirl is presented and developed based on experimental observations, where the nonlinear contact between the rotors and the stators, and mechanisms between components of the brake system are considered.

TL;DR: In this paper, a finite element model based on the general-purpose nonlinear finite element code MSC.Marc was developed to simulate the cutting process of low-pressure turbine disks of aircraft jet engines from its very beginning to steady-state conditions.

TL;DR: In this paper, the authors present the formulation and numerical analysis of circular cylindrical shells by the local adaptive differential quadrature method (LaDQM), which employs both localized interpolating basis functions and exterior grid points for boundary treatments.

TL;DR: In this article, the neck-spinning process of 3D non-axisymmetrical tube (NAT) spinning is simulated by 3D elastic-plastic finite element software, MARC.

TL;DR: In this article, two different methods for simulating damage propagation are presented and applied to fracture characterization of bonded joints in pure modes I and II, and the results showed a good agreement between the results obtained by the two models with the reference value of critical strain energy release rate in mode I (G Ic ), which is an inputted parameter.

TL;DR: In this article, it was shown that the Coulomb friction is independent of load and the extent of the stick and slip zones and the local direction of sliding are independent of the load.

TL;DR: In this paper, the structural response of tubular members subjected to lateral quasi-static loading, imposed by wedge-shaped denting devices, in the presence of internal pressure was examined.

TL;DR: In this article, the authors used a single ball's load-deformation relation for predicting the 1-D or 2-D array's load deformation behavior, and a very good agreement between the prediction and the experimental result was shown.

TL;DR: In this article, a comprehensive optimal design solution for piecewise-linear vibration isolation systems is presented, where the primary suspension optimum parameters are established, followed by an investigation of jump-avoidance conditions for the secondary suspension within the no-jump zones.

TL;DR: In this paper, a generalized layer-wise stochastic finite element formulation is developed for the buckling analysis of both homogeneous and laminated plates with random material properties, and the effect of variation in these stresses on the mean and coefficient of variation of buckling strength is studied.

TL;DR: In this article, the vibration problems of an axially loaded non-uniform spinning twisted Timoshenko beam were investigated and the effects of the twist angle, spinning speed, and axial force on the natural frequencies of a nonuniform spin-twitched Timoshenko beacon were investigated.