Embedded crack model. Part II: combination with smeared cracks

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Modeling 3D crack propagation in unreinforced concrete using PUFEM (2005, unknown): “Numerical failure simulations of this problem, which are based on a smeared representation of the crack are given in, for example, [45,43,44,47,9,20, 26 ,25], and simulations based on a discrete representation of the failure zone are provided in, for example, [46,43,44,47,60,62,63,1,38].”
Modelling large crack propagation: from gradient damage to cohesive zone models (2012, background): “…to enable such a switch: Planas et al. (1993) showed that a discontinuous displacement field may be solution of a given type of nonlocal models, Jirasek and Zimmermann (2001) and Comi et al. (2007) ensured stress continuity and conservation of the total amount of dissipated energy, Cazes et…”
Nonlocal anisotropic damage model and related computational aspects for quasi-brittle materials (2007, methodology): “An iterative process, not described here, made of global equilibrium resolutions followed by local time integration of the constitutive equations often takes place [50, 51, 52, 53, 54, 55].”
An extended FE strategy for transition from continuum damage to mode I cohesive crack propagation (2007, background): “In [18], the transition occurs from a smeared crack model to a cohesive crack when the strain across the band reaches a critical value.”