A regularization framework for damage–plasticity models via gradient enhancement of the free energy

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A gradient-enhanced damage model coupled to plasticity—multi-surface formulation and algorithmic concepts (2018, methodology): “Note further that in contrast to Dimitrijević and Hackl (2011)—where an additional plasticity related global field variable is introduced and linked to the internal state variable accounting for accumulated plastic strain via an additional penalty term in the non-local free energy—we will…”
Phase‐field modeling of ductile fracture at finite strains: A robust variational‐based numerical implementation of a gradient‐extended theory by micromorphic regularization (2017, background): “Dimitrijevic BJ, Hackl K.”
Revisiting the problem of a crack impinging on an interface: A modeling framework for the interaction between the phase field approach for brittle fracture and the interface cohesive zone model (2017, methodology): “ for a smeared crack representation [19], which in their local version suer from mesh dependency that has been partially alleviated by using integral-based non-local and gradient enhanced procedures [20, 21, 22, 23, 24]; (ii) extended FE strategies with nodal kinematic enrichment (extended-FEM, X-FE”