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Showing papers in "International Journal of Mechanical Sciences in 2002"


Journal ArticleDOI
TL;DR: In this article, an extensive experimental database has been established for the structural behaviour of aluminium foam and aluminium foam-based components (foam-filled extrusions), which can be used to validate constitutive models applicable to aluminium foam for a wide spectrum of loading configurations.

369 citations


Journal ArticleDOI
TL;DR: In this paper, a simulation of springback with 2-D and 3-D finite element modeling is presented, showing good agreement with experiments under some test conditions, however, springback discrepancies of hundreds of percent were noted for one alloy with sheet tension near the yield stress.

323 citations


Journal ArticleDOI
TL;DR: In this article, a simply supported, functionally graded rectangular plate subjected to a transverse uniform or sinusoidal load and in thermal environments is presented for a nonlinear bending analysis, where material properties are assumed to be temperature-dependent and graded in the thickness direction according to a simple power-law distribution in terms of the volume fractions of the constituents.

229 citations


Journal ArticleDOI
TL;DR: In this article, the springback angles and anticlastic curvatures reported for a series of draw-bend tests have been analyzed in detail using a new anisotropic hardening model, four common sheet metal yield functions, and finite element procedures developed for this problem.

229 citations


Journal ArticleDOI
TL;DR: In this paper, the elastically-driven change of shape of a part after forming was measured under carefully-controlled laboratory conditions corresponding to those found in press-forming operations, and constitutive equations emphasizing low-strain behavior were generated for three automotive body alloys: drawing-quality silicon-killed steel; high-strength low-alloy steel; and 6022-T4 aluminum.

206 citations


Journal ArticleDOI
TL;DR: In this article, the buckling analysis of radially loaded solid circular plate made of functionally graded material is presented, where the edge is either simply supported or clamped and the plate is assumed to be geometrically perfect and the equilibrium and stability equations, derived through variational formulation, are used to determine the prebuckling forces and critical buckling loads.

179 citations


Journal ArticleDOI
TL;DR: In this paper, the wavelet transform is used as a time-frequency representation for the determination of modal parameters such as natural frequencies, damping ratios and mode shapes of a vibrating system.

174 citations


Journal ArticleDOI
TL;DR: In this paper, results from warping experiments on plate-shaped specimens created by two direct metal deposition methods, which are utilized by a particular solid free-form fabrication (SFF) process termed shape deposition manufacturing (SDM), are presented.

157 citations


Journal ArticleDOI
TL;DR: In this article, the behavior of square aluminum columns in alloy AA6060 subjected to quasi-static oblique loading was investigated experimentally for three different load angles, and these tests were used to validate a numerical model.

148 citations


Journal ArticleDOI
TL;DR: In this paper, exact solutions for free vibration and buckling of rectangular plates having two opposite edges (x = 0 and a) simply supported and the other two (y=0 and b) clamped, with the simply supported edges subjected to a linearly varying normal stress σx=−N0[1−α(y/b)]/h, where h is the plate thickness.

139 citations


Journal ArticleDOI
TL;DR: In this paper, the critical values of fracture criteria are obtained in such a way that the finite element force-penetration predicted curve fit the experimental plot deduced from blanking tests.

Journal ArticleDOI
TL;DR: In this article, the dynamics of crush band initiation and wave trapping that result from in-plane impact on a honeycomb are analyzed using finite element simulations, where the honeycomb structures were loaded in compression at the top surface with a prescribed velocity.

Journal ArticleDOI
TL;DR: In this article, axial splitting and curling behavior of circular metal tubes was investigated and an approximate analysis was presented which successfully predicts the number of propagated cracks, the curling radius and the force applied.

Journal ArticleDOI
TL;DR: In this article, a theoretical treatment to predict the moment-rotation response of circular hollow steel tubes of varying D/t ratios under pure bending was described. But the model is based on elasto-plastic treatment, which is complex and difficult to use in any routine design.

Journal ArticleDOI
TL;DR: In this paper, two dimensionless parameters are introduced to classify the studied problem into elastic, elasticplastic and rigid-plastic structural responses, and a characteristic curve in loading parameter space is used to define an isodamage curve, which is generally loading-shape-dependent.

Journal ArticleDOI
TL;DR: In this article, the authors explored the relation between the microstructure and the effective properties of cellular solids and used a finite element analysis (FEA) to estimate Young's modulus and the yield strength.

Journal ArticleDOI
TL;DR: In this paper, a new stress-based polynomial model of friction behavior in machining is proposed to address the issue from the perspective of predicting machining induced residual stresses, and the feasibility of this methodology is demonstrated by performing finite element analyses.

Journal ArticleDOI
TL;DR: In this paper, a C0-type FEM model based on a simple higher-order plate theory, which can satisfy the zero transverse shear strain condition on the top and bottom surfaces of plates, has been proposed.

Journal ArticleDOI
TL;DR: In this article, a finite element ring rolling simulation by conventional Lagrangian codes carries an excessive computational cost and the main reason for this is the large number of incremental stages typically required to complete a full simulation.

Journal ArticleDOI
TL;DR: In this paper, an analytical method is proposed to calculate the frequencies of beams with up to three step changes in cross-section, combining the classical clamped, pinned, sliding, free, general, and degenerate types of elastic end supports.

Journal ArticleDOI
TL;DR: In this article, three evolutionary programming algorithms are introduced to solve the global optimisation problem of finding the global minimum of a well defined objective function, such an objective function is usually complex, non-convex and non-differentiable.

Journal ArticleDOI
TL;DR: In this paper, a meshless approach based on the reproducing kernel particle method is developed for the flexural, free vibration and buckling analysis of laminated composite plates, where the essential boundary conditions are enforced by a singular kernel method.

Journal ArticleDOI
TL;DR: In this article, the authors evaluate the machinability of typical thermoplastic and thermosetting polymers and understand the effect of their viscous properties on surface integrity, chip formation and machining forces.

Journal ArticleDOI
TL;DR: In this paper, the equi-potential lines generated between two conductors of different voltages were used to find the minimum work paths between the undeformed shape and the deformed shape.

Journal ArticleDOI
TL;DR: In this article, the moment-curvature hysteresis loops for single cycle SMA beams were determined for single crystal, Ni-Ti and Cu-Zn-Al polycrystal samples using specially designed device.

Journal ArticleDOI
Xiaoming Zhang1
TL;DR: In this paper, the wave propagation approach is extended to coupled frequency analysis of finite cylindrical shells submerged in a dense acoustic medium, and the results are compared with the numerical FEM/BEM.

Journal ArticleDOI
TL;DR: In this article, an analytical model based on the slab method of analysis was used and further developed to obtain the characteristics of asymmetrical sheet rolling and to predict strip curvature, where friction becomes an integral part of deformation mechanics in the roll gap.

Journal ArticleDOI
TL;DR: In this article, in-plane dynamic crushing of two different hexagonal honeycombs (slenderness ratios L/t=38 and 167) was studied for impact speeds up to 40.0 m/s which corresponds to a nominal strain rate for the specimen of 500 s −1.

Journal ArticleDOI
TL;DR: In this paper, a special form of the Cap model was proposed from experimental data of aluminum alloy (Al6061) powder under triaxial compression, which was implemented into a finite element program (ABAQUS) to compare with experimental data for densification behavior of Al6061 powder under cold isostatic pressing and die compaction.

Journal ArticleDOI
TL;DR: In this article, an analytical solution for the elastic-plastic stress distribution in rotating variable thickness solid disks is presented based on Tresca's yield criterion, its associated flow rule and linear strain hardening material behavior.