Necking in tensile bars with rectangular cross-section

V Tvergaard - Computer Methods in Applied Mechanics and …, 1993 - Elsevier
Tensile instabilities are studied for an elastic-plastic bar with rectangular cross-section,
using a full three-dimensional numerical analysis. Most analyses are based on the simplest …

A numerical study of necking in circular cylindrical bar

A Needleman - Journal of the Mechanics and Physics of Solids, 1972 - Elsevier
The boundary-value problem for a circular cylindrical bar in uniaxial tension is posed in two
ways. In one the ends of the specimen are assumed to be cemented to rigid grips; while in …

A numerical study of necking in the plane tension test

MA Burke, WD Nix - International Journal of Solids and Structures, 1979 - Elsevier
The boundary value problem for the plane-strain uniaxial tension of a rectangular bar is
posed in two ways. In one case the ends of a specimen of compressible elastic-plastic …

Necking of a cylindrical bar in tension

M Saje - International Journal of Solids and Structures, 1979 - Elsevier
The paper numerically analyses the necking of a cylindrical, elastic-plastic, strain-hardening
bar in axisymmetric tension. Both geometric and material nonlinearities are taken into …

Effect of size on necking of dynamically loaded notched bars

A Needleman - Mechanics of Materials, 2018 - Elsevier
The influence of material inertia on neck development in a notched round bar is analyzed
numerically. Dynamic axisymmetric calculations are carried out for isotropically hardening …

Analysis of necking based on a one-dimensional model

B Audoly, JW Hutchinson - Journal of the Mechanics and Physics of Solids, 2016 - Elsevier
Dimensional reduction is applied to derive a one-dimensional energy functional governing
tensile necking localization in a family of initially uniform prismatic solids, including as …

Necking in rectangular tensile bars approximated by a 2-D gradient dependent plasticity model

LP Mikkelsen - European Journal of Mechanics-A/Solids, 1999 - Elsevier
Necking and post-necking of a uniaxially stretched tensile test specimen with a rectangular
cross-section is investigated. The analysis is based on an enhanced 2-D plane stress finite …

On the onset of necking in the tensile test

KS Havner - International Journal of Plasticity, 2004 - Elsevier
A very small inhomogeneity in macroscopic material properties is considered for the
investigation of necking of a (polycrystalline) bar in the tensile test. A simple, one …

[HTML][HTML] An extension of the linear stability analysis for the prediction of multiple necking during dynamic extension of round bar

S El Maï, S Mercier, J Petit, A Molinari - International Journal of Solids and …, 2014 - Elsevier
Linear stability analysis has been widely used in order to describe the evolution of the
dominant necking pattern in different configurations. Effects of hardening, strain rate and …

Necking of biaxially stretched elastic-plastic circular plates

A Needleman, V Tvergaard - Journal of the Mechanics and Physics of …, 1977 - Elsevier
T he necking of an elastic-plastic circular plate under uniform radial tensile loading is
investigated both within the framework of the three-dimensional theory and within the …