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Mat. Mod. Chisl. Met., 2015, Issue 5, Pages 67–82 (Mi mmcm36)  

Computational modeling and experimental investigation of elastic-plastic plates deforming under crushing

Yu. I. Dimitrienkoa, E. A. Gubarevaa, S. V. Sborshchikova, V. S. Erasovb, N. O. Yakovlevb

a Bauman Moscow State Technical University
b All-Russian Scientific Research Institute of Aviation Materials, Moscow

Abstract: The article presents a suggested method of numerical finite-element solving the hole ovalization problem. This method can be applied for experimental development of advanced aviation materials with the aim of determining structure element resistance against deforming with stress concentrators, mainly, connectors. The method is based on three-dimensional finite element solution of the problem of lastoplastic deformation of plates with a hole under crushing. It is appropriate for reduction of xperimental studies and replacing them by the numerical experiments. The Ilyushin model of small lastoplastic deformations has been used. The results of numerical simulation of a threedimensional stress-strain state of elastoplastic plates under crushing are presented as well as results of experimental nvestigations of deforming plates of Al-alloy 163. It is shown that the results of numerical and experimental modeling for deforming plates under crushing agree quite well.

Keywords: Hole ovalization' problem, plate crumpling, numerical modeling, finite element method, elasticity, plasticity, deforming diagram.

Full text: PDF file (1571 kB)
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UDC: 539.3
Received: 07.04.2015

Citation: Yu. I. Dimitrienko, E. A. Gubareva, S. V. Sborshchikov, V. S. Erasov, N. O. Yakovlev, “Computational modeling and experimental investigation of elastic-plastic plates deforming under crushing”, Mat. Mod. Chisl. Met., 2015, no. 5, 67–82

Citation in format AMSBIB
\Bibitem{DimGubSbo15}
\by Yu.~I.~Dimitrienko, E.~A.~Gubareva, S.~V.~Sborshchikov, V.~S.~Erasov, N.~O.~Yakovlev
\paper Computational modeling and experimental investigation of elastic-plastic plates deforming under crushing
\jour Mat. Mod. Chisl. Met.
\yr 2015
\issue 5
\pages 67--82
\mathnet{http://mi.mathnet.ru/mmcm36}


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