Showing papers in "Finite Elements in Analysis and Design in 2002"

TL;DR: The failure modes of power electronics devices especially IGBTs are reviewed and a FEM analysis of a multilayered IGBT packaging module under cyclic thermal loading is presented.

TL;DR: The wave propagation approach combined with a genetic algorithm and the gradient technique for damage detection in beam-like structures and an iterative strategy for determination of the crack location and size is described.

TL;DR: In this article, the effect of friction on thermomechanical quantities in a metal cutting process is studied with the finite element method under plane strain conditions, and a computational procedure has been developed for simulating orthogonal metal cutting using a general-purpose finite element code.

TL;DR: In this paper, the authors employed a modi!ed and representative unit cell model to study the crush behavior of closed-cell metallic foams with varying spatial density distribution, where the mean through-thickness density variation was assumed to be a function of the casting process of the foam, while the in-plane variation was followed by a statistical probability distribution of the Gaussian type.

TL;DR: In this article, a stress analysis of a truck chassis with riveted joints was performed by using FEM and the commercial finite element package ANSYS version 5.3 was used for the solution of the problem.

TL;DR: In this paper, the authors investigated the contact stress and bending stress of a helical gear set with localized bearing contact, by means of finite element analysis (FEA), and demonstrated the influences of the gear's design parameters and the contact positions on the stress distribution.

TL;DR: In this paper, the authors proposed the use of operational deflection shapes (ODS) for structural damage detection, which are the actual vibration displacement or velocity patterns of a structure that is vibrating in the steady state condition due to a specific structural loading.

TL;DR: An overview of the mesh motion problem is provided in which guidelines are given for designing mesh motion strategies for particular problems, and numerical schemes are proposed for moving the mesh on external boundaries and in the interior of the body consistent with the ALE principles.

TL;DR: In this paper, the formation, the fragmentation, and penetration of a copper jet that develops in a shaped charge is analyzed by numerical simulation in two dimensions, axisymmetric.

TL;DR: In this paper, the authors deal with finite element modelling of the ultimate load behavior of double skin composite (DSC) slabs. And they use the finite element analysis using ABAQUS to predict the behaviour of DSC slabs accurately.

TL;DR: The results of applying the discontinuous Galerkin method to unsteady, two-dimensional, compressible, inviscid flow problems, including adaptive computations of Mach reflection and mixing-instability problems, are presented.

TL;DR: In this paper, an alternate formulation for deriving the governing differential equations of the energy finite element analysis (EFEA) is presented for interior acoustic spaces and for thin plates, based on considering the acoustic or the flexural response as a summation of incoherent orthogonal waves.

TL;DR: In this article, structural finite element (FE) models are used in the analysis of turning operations of regenerative machine tool chatter due to system instability, and a structural model representing the machine tool system is created using the commercial FE code, ANSYS.

TL;DR: In this article, a finite element analysis and design of fixed-ended cold-formed plain channel columns is presented, and a non-linear finite element model is developed and verified against experimental results.

TL;DR: In this article, the spline finite strip method has been applied to linear and nonlinear transient vibration analysis of plates and stiffened plates and the stiffener has been elegantly modelled so that it may lie anywhere within the plate strip, which helps to increase the flexibility in mesh generation.

TL;DR: In this paper, a microstructurally-based orthotropic hyperelastic constitutive law is used to simulate the response of tissue to a specified loading protocol in ABAQUS.

TL;DR: In this paper, an optimization design for variable blankholder force was proposed, which combines orthogonal experiment design with FEM software to simulate the 2D draw bending problem in the 2nd International Conference and Workshop on Numerical Simulation of 3D Sheet Forming processes.

TL;DR: In this article, the root mean square value of the noise transfer function is decreased by about two decibel in the case of structural-acoustic optimization and contribution analysis allows to detect reasons for decrease and increase of the optimum's noise transfer functions at certain frequencies in comparison to the original model.

TL;DR: This batch module consists of I-DEAS, ABAQUS/Standard and MOST software, which serve as the preprocessor, the numerical solver and the optimizer, respectively, and is expected to enhance the technology of gear system design.

TL;DR: In this paper, the structural-acoustic optimization of finite element shells models is addressed, and the advantages and disadvantages of geometry-based models are discussed, as well as a brief review of approaches and techniques in structural acoustic optimization.

TL;DR: The present algorithm implemented within flexible data structure facilitates the automatic inclusion of meshfree zones and establishes the coupling between the zones with interface elements.

TL;DR: In this article, an FEM model for a fabric structure was built to predict the shear force-deformation relationship of the fabric and yarn waviness was generated in a manner simulating the weaving process.

TL;DR: In this article, a three-dimensional rigid-plastic finite element analysis code is developed in FORTRAN language and used to analyze the rotary forging process of a ring workpiece.

TL;DR: In this paper, an optimal design system using adaptive meshes for spot welding locations in shell structures has been developed, where the background meshes are constructed with quadrilateral elements on three-dimensional surfaces by using a domain decomposition method.

TL;DR: A novel method for simulation of flows with dynamic interfaces based on a Lagrangian flow formulation and dynamic finite element meshes that easily handles interface-dominated flows and promises highly successful applications to complex flows including the target problem of microstructural blood flow simulation.

TL;DR: In this article, the finite element method (FEM) is applied to the nonlinear analysis of a cement rotary kiln for the Rais Hamidou factory (Algeria).

TL;DR: In this article, an accelerated mesh-free method based on a stabilized conforming nodal integration method is developed for elastoplastic contact analysis of metal forming processes, where strain smoothing stabilization is introduced to eliminate spatial instability in Galerkin mesh free methods.

TL;DR: In this article, a modified generalized laminate stiffness matrix is devised to resolve not only the thickness locking but also some abnormalities of solid-shell elements in laminate analyses, and a modified Hellinger-Reissner functional can be derived by treating the generalized stresses as independent variables.

TL;DR: In this article, a new numerical procedure of solution has been developed for the study of stress singularities in gear teeth fractures incorporating kinematic rotations and varying contact conditions, which can be used to simulate the operation of spur gear drives.

TL;DR: In this article, the proposed coupled problem is modelled, normalized and numerically solved, and a numerical scheme which combines fixed point algorithms, the method of characteristics, duality techniques and finite element approximations is developed.