Numerical study of strain localisation in plane strain thermo-viscoplastic solids under dynamic conditions

In this work numerical simulations on plane strain thermo-viscoplastic solids under dynamic conditions have been performed. The thermal effects have been added to the viscoplastic model through the heat generated by the plastic work and the thermal softening. The scope is to study if the thermal cou...

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Published in:Computers & structures 2005-08, Vol.83 (21), p.1824-1833
Main Authors: LOPEZ CELA, Juan José, MUNOZ DIAZ, Ivan
Format: Article
Language:English
Subjects:
Computational techniques
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Heat conduction
Heat transfer
Inelasticity (thermoplasticity, viscoplasticity...)
Localisation of deformation
Mathematical methods in physics
Physics
Shear bands
Solid mechanics
Strain and thermal softening
Structural and continuum mechanics
Thermoviscoplasticity
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cited_by cdi_FETCH-LOGICAL-c376t-aaebf8b387f4682da260ad55ccb79f6bc45fa0390c590333ab47423824ff90343
cites cdi_FETCH-LOGICAL-c376t-aaebf8b387f4682da260ad55ccb79f6bc45fa0390c590333ab47423824ff90343
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container_title Computers & structures
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creator LOPEZ CELA, Juan José
MUNOZ DIAZ, Ivan
description In this work numerical simulations on plane strain thermo-viscoplastic solids under dynamic conditions have been performed. The thermal effects have been added to the viscoplastic model through the heat generated by the plastic work and the thermal softening. The scope is to study if the thermal coupling effects are able to regularise the mesh sensitiviy produced by the consideration of strain or thermal softening in the material law. It is shown how heat conduction leads to mesh independent problems in the presence of thermal softening but, by itself, it is not able to regularise the cases with strain softening.
doi_str_mv 10.1016/j.compstruc.2005.02.001
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subjects Computational techniques
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Heat conduction
Heat transfer
Inelasticity (thermoplasticity, viscoplasticity...)
Localisation of deformation
Mathematical methods in physics
Physics
Shear bands
Solid mechanics
Strain and thermal softening
Structural and continuum mechanics
Thermoviscoplasticity
title Numerical study of strain localisation in plane strain thermo-viscoplastic solids under dynamic conditions
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