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Journal Articles Coupled systems mechanics Year : 2015

Localized failure in damage dynamics


In this work we present a one-dimensional damage model capable of representing the dynamic fracture for elastodamage bar with combined hardening in fracture process zone - FPZ and softening with embedded strong discontinuities. This model is compared with another one we recently introduced (Do et al. 2015) and it shows a good agreement between two models. Namely, it is indicated that strain-softening leads to a sensitivity of results on the mesh discretization. Strain tends to localization in a single element which is the smallest possible area in the finite element simulations. The strain-softening element in the middle of the bar undergoes intense deformation. Strain increases with increasing mesh refinement. Strain in elements outside the strain-softening element gradually decreases to zero.
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Dates and versions

hal-02002889 , version 1 (31-01-2019)


  • HAL Id : hal-02002889 , version 1


Xuan Nam Do, Adnan Ibrahimbegovic, Delphine Brancherie. Localized failure in damage dynamics. Coupled systems mechanics, 2015, 4 (3), pp.211-235. ⟨hal-02002889⟩
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