Phase-field modeling of fracture
Fracture is one of the most commonly encountered failure modes of engineering materials
and structures. Prevention of cracking-induced failure is, therefore, a major concern in …
and structures. Prevention of cracking-induced failure is, therefore, a major concern in …
A comparative review of peridynamics and phase-field models for engineering fracture mechanics
Computational modeling of the initiation and propagation of complex fracture is central to the
discipline of engineering fracture mechanics. This review focuses on two promising …
discipline of engineering fracture mechanics. This review focuses on two promising …
Phase-field modeling of anisotropic brittle fracture including several damage mechanisms
The present paper aims at modeling complex fracture phenomena where different damaging
mechanisms are involved. For this purpose, the standard one-variable phase-field/gradient …
mechanisms are involved. For this purpose, the standard one-variable phase-field/gradient …
A modification of the phase-field model for mixed mode crack propagation in rock-like materials
The critical energy release rates for mode I and II fracture for rock-like materials are usually
different. In this paper, a modified phase-field model is proposed for simulating mixed mode …
different. In this paper, a modified phase-field model is proposed for simulating mixed mode …
On penalization in variational phase-field models of brittle fracture
Irreversible evolution is one of the central concepts as well as implementation challenges of
both the variational approach to fracture by Francfort and Marigo (1998) and its regularized …
both the variational approach to fracture by Francfort and Marigo (1998) and its regularized …
Numerical evaluation of the phase-field model for brittle fracture with emphasis on the length scale
The phase-field model has been attracting considerable attention due to its capability of
capturing complex crack propagations without mesh dependence. However, its validation …
capturing complex crack propagations without mesh dependence. However, its validation …
Validation simulations for the variational approach to fracture
In this article, we focus on the validation of Francfort and Marigo's variational approach to
fracture based on some classical fracture experiments. We show that this approach can be …
fracture based on some classical fracture experiments. We show that this approach can be …
Phase-field models for fatigue crack growth
We introduce a class of models based on near crack tip degradation of materials that can
account for fracture growth under cyclic loads below the Griffith threshold. We incorporate …
account for fracture growth under cyclic loads below the Griffith threshold. We incorporate …
Phase-field modeling of brittle fracture with multi-level hp-FEM and the finite cell method
S Nagaraja, M Elhaddad, M Ambati… - Computational …, 2019 - Springer
The difficulties in dealing with discontinuities related to a sharp crack are overcome in the
phase-field approach for fracture by modeling the crack as a diffusive object being described …
phase-field approach for fracture by modeling the crack as a diffusive object being described …
Numerical implementation of phase-field models of brittle fracture
These lecture notes address the main challenging computational aspects of phase-field
modeling of brittle fracture. We focus, in particular, on the irreversibility constraint and the …
modeling of brittle fracture. We focus, in particular, on the irreversibility constraint and the …