Shear banding in large strain plasticity – Influence of specimen dimensions

The paper deals with numerical analysis of shear banding which occurs in an elongated rectangular plate for a large strain elastic-plastic material model. It is focused on the influence of plate size proportions and finite element mesh density on numerical results. The discussion is limited to isoth...

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Bibliographic Details
Main Authors: Mucha, Marzena, Wcisło, Balbina, Pamin, Jerzy
Format: Conference Proceeding
Language:English
Subjects:
Banding
Computer simulation
Finite element method
Mathematical analysis
Mathematical models
Numerical analysis
Plane stress
Plastic properties
Rectangular plates
Strain
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Summary:The paper deals with numerical analysis of shear banding which occurs in an elongated rectangular plate for a large strain elastic-plastic material model. It is focused on the influence of plate size proportions and finite element mesh density on numerical results. The discussion is limited to isothermal conditions and ideal plasticity. First a plain strain case is computed for different lengths of the plate, then simulations are repeated for plane stress for which different thicknesses of the plate are considered. Most of the computations are performed for three finite element meshes to verify discretization sensitivity of the results. The simulations are performed using AceGen and AceFEM packages for Wolfram Mathematica.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.5019152