109 citations · 204 across the 7 of their papers we have counts for
8 papers
Endowing variational phase-field fracture models with custom strength criteria
Roberto Alessi, Matteo Brunetti, Roshan Udaram Patil +1
By now, several approaches have been proposed to endow phase-field fracture models with the ability to describe crack nucleation under multiaxial stress states. These include techn…
Exploring energy minimization to model strain localization as a strong discontinuity using Physics Informed Neural Networks
Omar León, Víctor Rivera, Angel Vázquez-Patiño +2
We explore the possibilities of using energy minimization for the numerical modeling of strain localization in solids as a sharp discontinuity in the displacement field. For this p…
Multi-temporal decomposition for elastoplastic ratcheting solids
Jacinto Ulloa, Geert Degrande, José E. Andrade +1
This paper presents a multi-temporal formulation for simulating elastoplastic solids under cyclic loading. We leverage the proper generalized decomposition (PGD) to decompose the d…
A micromechanics-based variational phase-field model for fracture in geomaterials with brittle-tensile and compressive-ductile behavior
Jacinto Ulloa, Jef Wambacq, Roberto Alessi +3
This paper presents a framework for modeling failure in quasi-brittle geomaterials under different loading conditions. A micromechanics-based model is proposed in which the field v…
Bayesian inversion for unified ductile phase-field fracture
Nima Noii, Amirreza Khodadadian, Jacinto Ulloa +4
The prediction of crack initiation and propagation in ductile failure processes are challenging tasks for the design and fabrication of metallic materials and structures on a large…
Interior-point methods for the phase-field approach to brittle and ductile fracture
Jef Wambacq, Jacinto Ulloa, Geert Lombaert +1
The governing equations of the variational approach to brittle and ductile fracture emerge from the minimization of a non-convex energy functional subject to irreversibility constr…