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Träfflista för sökning "WFRF:(Kowalczyk Jerzy) srt2:(2018)"

Search: WFRF:(Kowalczyk Jerzy) > (2018)

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  • Wcisło, Balbina, et al. (author)
  • Numerical analysis of ellipticity condition for large strain plasticity
  • 2018
  • In: Computer Methods in Mechanics, CMM 2017 : Proceedings of the 22nd International Conference on Computer Methods in Mechanics - Proceedings of the 22nd International Conference on Computer Methods in Mechanics. - : Author(s). - 9780735416147 ; 1922
  • Conference paper (peer-reviewed)abstract
    • This paper deals with the numerical investigation of ellipticity of the boundary value problem for isothermal finite strain elasto-plasticity. Ellipticity can be lost when softening occurs. A discontinuity surface then appears in the considered material body and this is associated with the ill-posedness of the boundary value problem. In the paper the condition for ellipticity loss is derived using the deformation gradient and the first Piola-Kirchhoff stress tensor. Next, the obtained condition is implemented and numerically tested within symbolic-numerical tools AceGen and AceFEM using the benchmark of an elongated rectangular plate with imperfection in plane stress and plane strain conditions.
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Type of publication
conference paper (1)
Type of content
peer-reviewed (1)
Author/Editor
Menzel, Andreas (1)
Wcisło, Balbina (1)
Pamin, Jerzy (1)
Kowalczyk-Gajewska, ... (1)
University
Lund University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Engineering and Technology (1)
Year
2018 (1)Undo refine

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