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International Applied Mechanics

, Volume 43, Issue 12, pp 1396–1405 | Cite as

Analyzing methods to allow for the damage of material in thermoviscoelastoplastic deformation

  • Yu. I. Lelyukh
Article

Abstract

Three methods to allow for damage of isotropic materials are discussed. The relations of the theory of deformation along paths of small curvature are used as equations of state. Rabotnov’s scalar equation is used to study the damage of a material during thermoviscoelastoplastic deformation. The stress determined by a stress rupture criterion that accounts for the stress mode is taken as an equivalent stress. An algorithm based on the finite-element method is developed to solve three-dimensional problems of thermoviscoelastoplasticity with allowance for material damage. The numerical results obtained are compared with experimental data

Keywords

thermoviscoelastoplasticity damage finite-element method three-dimensional problem 

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Copyright information

© Springer Science+Business Media, Inc. 2007

Authors and Affiliations

  • Yu. I. Lelyukh
    • 1
  1. 1.S. P. Timoshenko Institute of MechanicsNational Academy of Sciences of UkraineKyivUkraine

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