Finite element shakedown analysis of two‐dimensional structures

descriptionPublicationkeyboard_double_arrow_right Article 18 Mar 2005 Italy English Publisher:WileyJournal:International Journal for Numerical Methods in Engineering, volume 63, pages 1,174-1,202 (issn: 0029-5981, eissn: 1097-0207,

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Authors: GARCEA, Giovanni; G. ARMENTANO; S. PETROLO; R. CASCIARO;

doi: 10.1002/nme.1316

handle: 20.500.11770/154076

Finite element shakedown analysis of two‐dimensional structures

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Abstract

AbstractIn the present paper, the formulation proposed by Casciaro and Garcea (Comput. Meth. Appl. Mech. Eng., 2002; 191:5761–5792) and applied to the shakedown analysis of plane frames, is extended to the analysis of two‐dimensional flat structures in both the cases of plane‐stress and plane‐strain. The discrete formulation is obtained using a mixed finite element in which both stress and displacement fields are interpolated. The material is assumed to be elasto‐plastic and a linearization of the elastic domain is performed. The result is a versatile iterative scheme well suited to implementation in general purpose FEM codes. An extensive series of numerical tests is presented showing the reliability of the proposed formulation. Copyright © 2005 John Wiley & Sons, Ltd.

Country

Italy

Related Organizations

University of Calabria
Italy

Keywords

plasticity, shakedown analysis, limit analysis, non-linear methods, Finite element methods applied to problems in solid mechanics, Anelastic fracture and damage, linearization, mixed finite element, iterative scheme, Small-strain, rate-independent theories of plasticity (including rigid-plastic and elasto-plastic materials)

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