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- W2997476918 abstract "ABSTRACT Numerical simulations of concrete structures up to rupture require the use of nonlinear models based on realistic and sufficiently robust physical assumptions. A nonlocal anisotropic damage model is described for quasi-brittle materials such as concrete. The model is written within the thermodynamics framework and introduces only one damage variable (2nd order tensor). To describe the damage evolution, a damage criterion of Mazars type is used. It introduces an equivalent strain computed from the positive part of the strain tensor. To define a nonloncal model, one has to replace it by a nonlocal formulation based on an integral form. The numerical scheme used for the implementation in a F.E. code is implicit, with all the advantages of robustness and stability. However, the constitutive equations of the anisotropic damage can be solved in an exact way on a time integration step. The calculation of the damage is then completely explicit from a programming point of view. Numerical simulations of re..." @default.
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- W2997476918 date "2006-03-28" @default.
- W2997476918 modified "2023-09-23" @default.
- W2997476918 title "Implantation numérique d'un modèle d'endommagement anisotrope non local" @default.
- W2997476918 doi "https://doi.org/10.3166/regc.10.391-404" @default.
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