Regularity of displacement solutions in Hencky plasticity. I: The extremal relation
Jarosław L. Bojarski (2011)
Applicationes Mathematicae
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The aim of this paper is to study the problem of regularity of displacement solutions in Hencky plasticity. A non-homogeneous material whose elastic-plastic properties change discontinuously is considered. We find (in an explicit form) the extremal relation between the displacement formulation (defined on the space of bounded deformation) and the stress formulation of the variational problem in Hencky plasticity. This extremal relation is used in the proof of the regularity of...