Chaaba, A. and Bousshine, L. and Aboussaleh, M. and El Boudaia, H. (2011) Plastic limit analysis with non linear kinematic strain hardening for metalworking processes applications. Journal of Mechanical Science and Technology, 25 (11). pp. 2859-2870.

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Abstract

Limit analysis approaches are widely used to deal with metalworking processes analysis; however, they are applied only for perfectly plastic materials and recently for isotropic hardening ones excluding any kind of kinematic hardening. In the present work, using Implicit Standard Materials concept, sequential limit analysis approach and the finite element method, our objective consists in extending the limit analysis application for including linear and non linear kinematic strain hardenings. Because this plastic flow rule is non associative, the Implicit Standard Materials concept is adopted as a framework of non standard plasticity modeling. The sequential limit analysis procedure which considers the plastic behavior with non linear kinematic strain hardening as a succession of perfectly plastic behavior with yielding surfaces updated after each sequence of limit analysis and geometry updating is applied. Standard kinematic finite element method together with a regularization approach is used for performing two large compression cases (cold forging) in plane strain and axisymmetric conditions. © 2011 The Korean Society of Mechanical Engineers and Springer-Verlag Berlin Heidelberg.

Item Type: Article
Uncontrolled Keywords: Axisymmetric conditions; Cold forging; Implicit standard materials; In-plane strains; Isotropic hardenings; Kinematic hardening; Limit analysis; Limit analysis approach; Linear kinematics; Plastic behavior; Plastic limit analysis; Plastic materials; Regularization approach; Sequential limit analysis; Standard materials; Yielding surface, Heat affected zone; Kinematics; Mathematical programming; Plasticity; Standards; Strain hardening, Finite element method
Subjects: Engineering
Divisions: SCIENTIFIC PRODUCTION > Engineering
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:47
URI: http://eprints.umi.ac.ma/id/eprint/3352

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