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IssuesArchive of Issues2011-2pp.204-212

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V.G. Bazhenov, D.V. Zhegalov, and E.V. Pavlenkova, "Numerical and Experimental Study of Elastoplastic Tension-Torsion Processes in Axisymmetric Bodies under Large Deformations," Mech. Solids. 46 (2), 204-212 (2011)
Year 2011 Volume 46 Number 2 Pages 204-212
DOI 10.3103/S0025654411020087
Title Numerical and Experimental Study of Elastoplastic Tension-Torsion Processes in Axisymmetric Bodies under Large Deformations
Author(s) V.G. Bazhenov (Institute of Mechanics, Lobachevsky Nizhnii Novgorod State University, pr-t Gagarina 23-6, GSP-1000, Nizhnii Novgorod, 603950 Russia, bazhenov@mech.unn.ru)
D.V. Zhegalov (Institute of Mechanics, Lobachevsky Nizhnii Novgorod State University, pr-t Gagarina 23-6, GSP-1000, Nizhnii Novgorod, 603950 Russia, zhegalov@mech.unn.ru)
E.V. Pavlenkova (Institute of Mechanics, Lobachevsky Nizhnii Novgorod State University, pr-t Gagarina 23-6, GSP-1000, Nizhnii Novgorod, 603950 Russia, pavlyonkova@mech.unn.ru)
Abstract We consider a numerical solution technique for generalized axisymmetric problems with torsion for elastoplastic bodies of revolution of arbitrary shape under large strains, as well as simple or complex loading, and the conditions of inhomogeneous stress-strain state. The processes of elastoplastic deformation, strain localization, and fracture of solid axisymmetric steel samples of variable thickness are studied experimentally and numerically for the cases of proportional and nonproportional kinematic torsional and/or tensile loading until failure. The mutual influence of torsion and tension on the deformation and failure under large strains is estimated.
Keywords elastoplasticity, large strains, torsion and tension, failure, experiment, numerical simulation, identification
References
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8.  R. A. Vasin, A. A. Il'yushin, and P. A. Mossakovskii, "Investigation of the Constitutive Relations and Fracture Criteria on Solid and Thin-Walled Tubular Cylindrical Samples," Izv. Akad. Nauk. Mekh. Tverd. Tela, No. 2, 177-184 (1994) [Mech. Solids (Engl. Transl.)].
9.  V. G. Bazhenov, S. V. Zefirov, L. N. Kramarev, and E. V. Pavlenkova, "Modelling of the Deformation Processes and the Localization of Plastic Deformations in the Torsion-Tension of Solids of Revolution," Prikl. Mat. Mekh. 72 (2), 342-350 (2008) [J. Appl. Math. Mech. (Engl. Transl.) 72 (2), 226-232 (2008)].
10.  B. D. Annin and S. N. Korobeinikov, "Admissible Forms of Elastic Laws of Deformation in Constitutive Relations of Elastoplasticity," Sib. Zh. Industr. Mat. 1 (1), 21-34 (1998).
11.  A. A. Pozdeev, P. V. Trusov, and Yu. I. Nyashin, Large Elastoplastic Deformations: Theory, Algorithms, Applications (Nauka, Moscow, 1986) [in Russian].
Received 06 December 2010
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