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Vol.12, No3, 2012, pp.201–208
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COUPLED NONLINEAR PROBLEMS IN FINITE ELEMENT ANALYSIS – A CASE STUDY Ivana Atanasovska1, Dejan Momčilović2, Meri Burzić3, Tomaž Vuherer4 1)Institute Kirilo Savić, Belgrade, Serbia 2)Institute for Testing of Materials–IMS, Belgrade, Serbia, dejan.momcilovic@institutims.rs 3)University of Belgrade, Faculty of Mechanical Engineering – Innovation Centre, Belgrade, Serbia 4)University of Maribor, Faculty of Mechanical Engineering, Maribor, Slovenia |
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Abstract The paper describes the Finite Element Method (FEM) analysis of elastic plastic deformation of steel tube impact absorbers for railway vehicles. Experiment investigation is used as a basis for FEM modelling and simulation. The developed FEM model includes material nonlinearity (plasticity), nonlinear contact and large deformation of finite elements. All aspects used in the absorber FEM model are explained in detail. The finite element analysis results for a chosen absorber are presented and discussed. The developed model opens the possibilities for future investigations of similar problems. Keywords: kinetic energy absorber, railway, elastic plastic deformation, contact, finite element analysis (FEA) |
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