An assessment of numerical parameters influencing springback in explicit finite element analysis of sheet metal forming process

SW Lee, DY Yang - Journal of Materials Processing Technology, 1998 - Elsevier
… greatly according to how numerical factors are set, for example element size, punch
velocity… of numerical factors influencing springback is required. In this work, numerical factors …

Numerical modelling of orthogonal cutting: influence of numerical parameters

M Barge, H Hamdi, J Rech, JM Bergheau - Journal of Materials Processing …, 2005 - Elsevier
… on some numerical problems related to finite element method, and … parameters to validate
numerical models is of primary importance to be able to compare experimental and numerical

Numerical analysis of a finite element/volume penalty method

B Maury - SIAM Journal on Numerical Analysis, 2009 - SIAM
… This method relies on two parameters, namely h (space-discretization parameter) and ε (penalty
parameter). We propose here a general strategy to estimate the error in both parameters

Numerical analysis of the influence of the Lode parameter on void growth

KS Zhang, JB Bai, D Francois - International Journal of Solids and …, 2001 - Elsevier
… In the present paper, three-dimensional numerical analyses of a spherical void, contained
… the common triaxiality parameter and the Lode parameter, into account. The analyses were …

Numerical implementation of a neural network based material model in finite element analysis

YMA Hashash, S Jung… - … Journal for numerical …, 2004 - Wiley Online Library
… This paper addresses numerical implementation issues related to the use of NN constitutive
models in FE analysis. A consistent material stiffness matrix is derived for the NN constitutive …

Numerical techniques for plasticity computations in finite element analysis

RH Dodds Jr - Computers & Structures, 1987 - Elsevier
… finite elements analysis, the constitutive quantities are known at time r,, and the updated
strains are known at time I,+ 1. For static analyses time is interpreted as a loading parameter. …

Geometry strongly influences the response of numerical models of the lumbar spine—a probabilistic finite element analysis

F Niemeyer, HJ Wilke, H Schmidt - Journal of biomechanics, 2012 - Elsevier
… Those results do not tell us, though, how the influence of the geometry compares to the
impact of uncertainties in other parameters, for instance in the material parameters, which we …

Numerical simulation of acoustic emission in brittle rocks by two-dimensional finite-discrete element analysis

A Lisjak, Q Liu, Q Zhao, OK Mahabadi… - Geophysical Journal …, 2013 - academic.oup.com
… Although several numerical models have been developed to … finite-discrete element method
(FEM/DEM), a numerical tool that … The micromechanical parameters of the heterogeneous …

Finite element analysis of ball burnishing process: comparisons between numerical results and experiments

M Sayahi, S Sghaier, H Belhadjsalah - The International Journal of …, 2013 - Springer
… Many experiments have been carried out to determine the effect of different process
parameters to obtain the best results [5–7]. From the numerical point of view, only a few predictive …

Some aspects on 3D numerical modeling of high velocity impact of particles in cold spraying by explicit finite element analysis

WY Li, W Gao - Applied Surface Science, 2009 - Elsevier
… value of the equivalent plastic strain at element integration points, where failure is assumed
to occur when the damage parameter exceeds 1. The damage parameter, ω, is defined as(3) …