Variational Inequalities and the Elastic-Plastic Torsion Problem

G. Idone, A. Maugeri and C. Vitanza
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G. Idone: Università di Reggio Calabria
A. Maugeri: Università di Catania
C. Vitanza: Università di Messina

Journal of Optimization Theory and Applications, 2003, vol. 117, issue 3, No 4, 489-501

Abstract: Abstract We show that, under suitable conditions, the variational inequality that expresses the elastic-plastic torsion problem is equivalent to a variational inequality on a convex set which depends on δ(x)=d(x, ∂Ω). Such an equivalence allows us to find the related Lagrange multipliers and to exhibit a computational procedure based on the subgradient method.

Keywords: Variational inequalities; elastic-plastic torsion; Lagrange multipliers; subgradient methods (search for similar items in EconPapers)
Date: 2003
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Citations: View citations in EconPapers (3)

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DOI: 10.1023/A:1023941520452

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