Structural bifurcation for ductile necking localization

International Journal of Non-Linear Mechanics Volume 45 Issue 1 Page 35-41 published_at 2010-01
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Title ( eng )
Structural bifurcation for ductile necking localization
Creator
Source Title
International Journal of Non-Linear Mechanics
Volume 45
Issue 1
Start Page 35
End Page 41
Abstract
Necking localization is common unstable behavior in ductile solids. This paper describes the unified necking localization mechanism. After describing one-dimensional instability problem, general material and structural instability criteria are formulated and the formulation is validated by non-linear finite element analysis. The trigger of necking localization is structural bifurcation and the behavior from a uniformly deformed state to ultimate localization just before fracture is continuous structural instability.
Keywords
Stability
Bifurcation
Necking localization
Plasticity
Non-linear finite element method
Ductile solid
NDC
Astronomy. Space sciences [ 440 ]
Language
eng
Resource Type journal article
Publisher
Pergamon
Elsevier Science Ltd
Date of Issued 2010-01
Rights
Copyright (c) 2009 Elsevier Ltd. All rights reserved.
Publish Type Author’s Original
Access Rights open access
Source Identifier
[ISSN] 0020-7462
[DOI] 10.1016/j.ijnonlinmec.2009.08.010
[NCID] AA00680647
[DOI] http://dx.doi.org/10.1016/j.ijnonlinmec.2009.08.010