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2D continuum viscodamage-embedded discontinuity model with second order mid-point scheme

Abstract : This paper deals with numerical modeling of dynamic failure phenomena in rate-sensitive brittle and/or ductile materials. To this end, a two-dimensional continuum viscodamage-embedded discontinuity model, which is based on our previous work (see Do et al. 2017), is developed. More specifically, the pre-peak nonlinear and rate-sensitive hardening response of the material behavior, representing the fracture-process zone creation, is described by a rate-dependent continuum damage model. Meanwhile, an embedded displacement discontinuity model is used to formulate the post-peak response, involving the macro-crack creation accompanied by exponential softening. The numerical implementation in the context of the finite element method exploiting the second-order mid-point scheme is discussed in detail. In order to show the performance of the model several numerical examples are included.
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Contributor : Adnan Ibrahimbegovic Connect in order to contact the contributor
Submitted on : Tuesday, February 5, 2019 - 3:21:59 PM
Last modification on : Friday, February 18, 2022 - 3:37:15 AM
Long-term archiving on: : Monday, May 6, 2019 - 1:00:55 PM


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Xuan Khanh Do, Adnan Ibrahimbegovic. 2D continuum viscodamage-embedded discontinuity model with second order mid-point scheme. Coupled systems mechanics, Techno-Press, 2018, 7, pp.669 - 690. ⟨10.12989/csm.2018.7.6.669⟩. ⟨hal-01997352⟩



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