Necking of elasto-plastic rods under tension

HSC Mattos, FEG Chimisso - International journal of non-linear mechanics, 1997 - Elsevier
This work is concerned with the modeling of the necking phenomenon in metallic tension
members using a non-linear theory of elasto-plastic rods with deformable cross section. The …

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 …

Modeling and numerical computation of necking in round bars using a total Lagrangian elastoplastic formulation

A Le Van, P Le Grognec - Computer Modeling in Engineering and …, 2001 - hal.science
Necking is a bifurcation phenomenon observed in round bars under tensile loading and has
been investigated in numbers of papers. In the present work, it is modeled within the …

Evolution of deformation and stress during necking in uniaxial tension

C Liu - Forces in Mechanics, 2023 - Elsevier
In this investigation, we study experimentally the evolution of both the deformation and the
stress during the necking process of a thin metal sheet subject to uniaxial tension. The …

Inertial effects on necking in tension

P Tuǧcu, KW Neale, AE Lahoud - International journal of solids and …, 1990 - Elsevier
A one-dimensional finite element program has been developed to study the effects of inertia
on necking instability in a round bar under tension. An elastic-viscoplastic constitutive law is …

A new model for the elastoplastic characterization and the stress–strain determination on the necking section of a tensile specimen

G Mirone - International Journal of Solids and Structures, 2004 - Elsevier
The static elastoplastic characterization of metals consists of the determination, by way of
experimental tensile tests, of the curve expressing the equivalent von Mises stress as a …

Finite deformation of elasto-plastic solids

JR Osias - 1973 - ntrs.nasa.gov
A theoretical basis is established for analysis of finite deformation of metals. The observation
that finite deformation of such elastoplastic materials may be viewed as a process rather …

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 …

Necking in uniaxial tension

GC Li - International Journal of Mechanical Sciences, 1983 - Elsevier
Applying two theories in plasticity (flow theory and a modified deformation theory), the
necking of a cylindrical bar in uniaxial tension is analysed. The development of finite strain …

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 …