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Showing papers in "Finite Elements in Analysis and Design in 2006"


Journal ArticleDOI
TL;DR: In this paper, three-dimensional geometrical models for concrete are generated taking the random structure of aggregates at the mesoscopic level into consideration, where the aggregate particles are generated from a certain aggregate size distribution and then placed into the concrete specimen in such a way that there is no intersection between the particles.

594 citations


Journal ArticleDOI
TL;DR: In this article, a fracture interface element for VCCT is proposed to calculate the strain energy release rates (GI and GII) simultaneously as finite element analysis (FEA) is performed.

178 citations


Journal ArticleDOI
TL;DR: In this article, Li and Chou modified the finite element method (FEM) with the Poisson's ratio effect included in the determination of Young's modulus and shear modulus of SWCNT.

114 citations


Journal ArticleDOI
TL;DR: In this article, an extended finite element method has been adopted for modeling and analyzing a crack and its domain numerically, and the results of proposed method are compared with other available numerical or (semi-) analytical methods.

104 citations


Journal ArticleDOI
TL;DR: In this article, the optimal crashworthiness design of a spot-welded thin-walled hat section subject to an axial crushing force was investigated, and the mass of the beam was optimized subject to constraints of required mean crushing force and bending stiffness, and a two-step RSM-enumeration algorithm was employed to efficiently solve this optimization problem of mixed-type variables.

103 citations


Journal ArticleDOI
TL;DR: In this paper, the authors present results of the finite element (FE) analysis of dynamic interaction between a heavy truck and a selected highway bridge on US 90 in Florida using commercial program LS-DYNA and the super computer at the Florida State University.

103 citations


Journal ArticleDOI
TL;DR: In this paper, three-dimensional thermal buckling and postbuckling analyses of functionally graded materials subjected to uniform or non-uniform temperature rise are examined by using finite element method.

85 citations


Journal ArticleDOI
TL;DR: In this article, an approach for virtual real-time deformation of complex structures is developed, which combines the finite element method and neural network calculations to allow the user to perform interactive shape changes and view the resultant deformation changes in a virtual environment.

83 citations


Journal ArticleDOI
TL;DR: In this article, a 3D, nonlinear finite element analysis (FEA) was used to predict the ultimate load behavior of stringer bridge superstructures using the ABAQUS finite element package.

76 citations


Journal ArticleDOI
TL;DR: In this paper, a new geometric nonlinear formulation for static problems involving space trusses is presented, based on the finite element method (FEM), which uses nodal positions rather than nodal displacements to describe the problem.

76 citations


Journal ArticleDOI
TL;DR: In this article, the analysis of wave propagation in an isotropic panel with damage in the form of a fatigue crack is solved by the use of the spectral element method, where the elastic behaviour of the panel at the crack location is simulated as a line spring with a varying stiffness along the crack length.

Journal ArticleDOI
TL;DR: In this paper, a class of CO type plate elements is constructed to solve plane elastomechanics and moderately thick plate problems based on two-dimensional tensor product B-spline wavelet on the interval.

Journal ArticleDOI
TL;DR: In this article, a hybrid Trefftz element with an elliptic hole was presented, which was formulated using the Hellinger-Reissner principle by employing trial functions based on the mapping technique and Cauchy integral method.

Journal ArticleDOI
TL;DR: In this article, the impact of spot weld quality and design on a vehicle's functional performance is reviewed, addressing strength and stiffness, NVH and durability as performance attributes, and an industrial robustness study is presented that assesses the effect of spot welding failure on dynamic vehicle characteristics.

Journal ArticleDOI
TL;DR: In this article, the finite element simulation of the simple tension test in metals is discussed, which includes large strain plasticity effects via the multiplicative decomposition of deformation gradient tensor.

Journal ArticleDOI
TL;DR: In this paper, a new method called the interval factor method (IFM) for the natural frequency and mode shape analysis of truss structures with interval parameters is presented, where the structural physical parameters and geometric dimensions can be considered as interval variables.

Journal ArticleDOI
TL;DR: In this article, a 2D Euler-Bernoulli beam element for large displacement analysis using the total Lagrangian formulation is proposed, where field consistency is obtained by using a set of interpolations that satisfy a required relationship between relevant displacement fields.

Journal ArticleDOI
TL;DR: In this article, a new method to calculate the temperature-dependent surface heat transfer coefficient during quenching process is presented, which applies finite-element method (FEM), advance-retreat method and golden section method to the inverse heat conduction problem, and can calculate the surface heat transferred coefficient according to the temperature curve gained by experiment.

Journal ArticleDOI
TL;DR: In this paper, a geometrically nonlinear finite element method with convected coordinates is used to solve the under-constrained membrane wrinkling problem, and a pseudo-dynamic method is also introduced to initiate Newton-Raphson solution procedures.

Journal ArticleDOI
TL;DR: A new set of design variables employing a numerical technique named approximate density distribution is proposed and it is shown that using the present technique can improve both convergence rate and consistency of the evolutionary algorithms.

Journal ArticleDOI
TL;DR: In this paper, the authors proposed an approach using finite element method (FEM) to design tool in ECM, which is capable of designing three-dimensional freeform surface tool from the scanned data of known workpiece.

Journal ArticleDOI
TL;DR: In this article, a 3.0-caliber radius-head steel ogival-nose projectile with a mass of 2.3 kg is fired against a cylindrical concrete target with a striking velocity of 315m/s.

Journal ArticleDOI
TL;DR: In this work, the SRVE concept is applied to general divergence-type stochastic partial differential equation (PDE), which is numerically solved with a numerical Fourier Galerkin recipe and the stoChastic Galerkins method, providing not only a means of global homogenization but also solution for statistical descriptors of the local solutions to such PDEs.

Journal ArticleDOI
TL;DR: In this paper, a multidisciplinary optimization problem is solved for a lightweight torpedo model subjected to UNDEX, and a torpedo configuration with least possible weight for a given level of safety from an explosion at a critical distance is obtained.

Journal ArticleDOI
TL;DR: A new mesh smoothing algorithm is presented that can improve poor-quality meshes, such as meshes with badly shaped elements, by adjusting the position of the mesh's internal nodes based on optimization of a torsion spring system.

Journal ArticleDOI
TL;DR: In this paper, sheet metal forming processes are simulated with a solid-shell finite element entirely based on the enhanced assumed strain (EAS) method, which is designed for the treatment of both transverse shear and volumetric locking.

Journal ArticleDOI
TL;DR: In this article, the braking distance estimation of tire controlled by anti-lock brake system (ABS) according to a numerical-analytical method is concerned with the braking times and distances from which the total braking time and distance are predicted.

Journal ArticleDOI
TL;DR: In this article, the authors introduce drilling degrees of freedom to the hybrid Trefftz plane element by using Allman's quadratic displacement instead of conventional finite element approximation for the boundary displacement.

Journal ArticleDOI
TL;DR: In this article, the effects of the added viscoelastic dampers with a damping matrix in the form of a generalised Rayleigh damping, which can be diagonalised through a modal transformation using real modes.

Journal ArticleDOI
TL;DR: In this article, the authors presented high precision control for the specified plate twisting and bending shapes using the orthotropic piezoelectric actuators using the linear least square method.