The equivalence of stress- and strain-based plasticity theories
type: Item
instance of: scholarly article
title: The equivalence of stress- and strain-based plasticity theories
zbMATH Open document ID: 0898.73021
DOI: 10.1016/S0045-7825(96)01245-5
author: J. Ning
published in: Computer Methods in Applied Mechanics and Engineering
publication date: 1998-01-21T00:00:00Z
review text: Strain space plasticity theory has been advocated by a number of researchers as a viable alternative to its stress space counterpart. However, there appears to be a certain level of uncertainty about the equivalence of stress- and strain-based plasticity theories. This paper attempts to clarify some issues concerning the equivalence of theses two theories. By providing the alternative conjugate expressions for the loading criteria, it will be shown that the two formulations are indeed equivalent in substance and produce equivalent expressions for the plastic strain rate, provided that the material laws used are identical in both approaches.
Mathematics Subject Classification ID: 74C99
zbMATH DE Number: 1107019
zbMATH Keywords: alternative conjugate expressions for loading criteria
zbMATH Keywords: plastic strain rate
zbMATH Keywords: material laws
MaRDI profile type: Publication
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description: scientific article; zbMATH DE number 1107019