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 …

Dynamic necking of notched tensile bars: an experimental study

D Rittel, Y Rotbaum, JA Rodríguez-Martínez… - Experimental …, 2014 - Springer
The mechanics of necking inception in dynamically-stretched notched specimens have been
investigated. For that task, a systematic experimental campaign of quasi-static and dynamic …

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 …

Why does necking ignore notches in dynamic tension?

Y Rotbaum, S Osovski, D Rittel - Journal of the Mechanics and Physics of …, 2015 - Elsevier
Recent experimental work has revealed that notched tensile specimens, subjected to
dynamic loading, may fail by growing a neck outside of the notched region. This apparent …

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 …

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 …

Effects of inertia on dynamic neck formation in tensile bars

K Nilsson - European Journal of Mechanics-A/Solids, 2001 - Elsevier
Neck localization during high rate extension of round bars is analyzed numerically. An
axisymmetric problem formulation is given and the material is described as rate independent …

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 …

Plane strain necking of V-notched and un-notched tensile bars

O Richmond - Journal of the Mechanics and Physics of Solids, 1969 - Elsevier
An analytical nonsteady solution for plane strain necking of V-notched, rigid/perfectly-plastic
tensile bars was obtained by EH Lee in 1952. In his solution the plastic zone remains …

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 …