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Journal Articles Coupled systems mechanics Year : 2018

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

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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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hal-01997352 , version 1 (05-02-2019)

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