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  • Isaksson, Per, et al. (author)
  • Continuum damage mechanics applied to paper
  • 2004
  • In: International Journal of Solids and Structures. - : Elsevier BV. - 0020-7683 .- 1879-2146. ; 41:16-17, s. 4731-4755
  • Journal article (peer-reviewed)abstract
    • The mechanical behavior of two packaging paper materials subjected to tensile loading up to complete breakage has been investigated. A model for isotropic strain hardening elastic anisotropic plasticity, coupled to anisotropic damage, is discussed. The constitutive relations, including a gradient enhanced damage model, are developed within a thermodynamical framework. The Helmholtz free energy in the continuum is assumed to depend not only on the strain and stress components but also on the damage in the material.The model has been analyzed in a non-linear finite element procedure. The capability of the model to properly capture and simulate the failure of a paper material subjected to tensile loading is demonstrated by means of several numerical examples that are compared to, and verified with, experiments on packaging paper specimens of varying geometry.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Gradin, Per (1)
Hägglund, R. (1)
Isaksson, Per (1)
University
Mid Sweden University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Engineering and Technology (1)
Year
2004 (1)

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