A comparative review of XFEM, mixed FEM and phase-field models for quasi-brittle cracking

M Cervera, GB Barbat, M Chiumenti, JY Wu - Archives of Computational …, 2022 - Springer
In this work, a critical comparison between three different numerical approaches for the
computational modelling of quasi-brittle structural failure is presented. Among the many …

A geometrically regularized gradient-damage model with energetic equivalence

JY Wu - Computer Methods in Applied Mechanics and …, 2018 - Elsevier
Aiming to bridge the gap between damage and fracture mechanics for modeling localized
failure in solids, this paper addresses a novel geometrically regularized gradient-damage …

Localizing gradient damage model with decreasing interactions

LH Poh, G Sun - International Journal for Numerical Methods in …, 2017 - Wiley Online Library
Nonlocal integral and/or gradient enhancements are widely used to resolve the mesh
dependency issue with standard continuum damage models. However, it is reported that …

[HTML][HTML] Solidification–microprestress–microplane (SMM) theory for concrete at early age: Theory, validation and application

G Di Luzio, G Cusatis - International Journal of Solids and Structures, 2013 - Elsevier
This paper presents a new constitutive model describing the mechanical behavior of
concrete at early age and beyond. This model, entitled solidification–microprestress …

A comparison of the state of the art models for constitutive modelling of concrete

J Vorel, M Marcon, G Cusatis, F Caner, G Di Luzio… - Computers & …, 2021 - Elsevier
Concrete is undoubtedly the most important and widely used construction material of the last
centuries. Nevertheless, mathematical models that can accurately capture the particular …

Achieving irreversibility in damage evolution: Extended gradient damage model with decoupled damage profile and cohesive law

L Xue, X Ren - Journal of the Mechanics and Physics of Solids, 2024 - Elsevier
The irreversibility of damage evolution is a cornerstone of classical damage mechanics.
Unfortunately, the existing gradient damage models in the literature cannot always fulfill this …

A rate-dependent phase-field framework for the dynamic failure of quasi-brittle materials

L Hai, J Li - Engineering Fracture Mechanics, 2021 - Elsevier
In recent years, phase-field theory has become an efficient approach for predicting damage
and fracture of engineering materials. However, the rate-dependence of quasi-brittle …

A nonlocal coupled damage-plasticity model for the analysis of ductile failure

GD Nguyen, AM Korsunsky, JPH Belnoue - International Journal of …, 2015 - Elsevier
This paper presents a nonlocal coupled damage-plasticity model for the analysis of ductile
fracture. The proposed model makes use of both damage mechanics and plasticity theories …

An implicit gradient formulation for microplane Drucker-Prager plasticity

I Zreid, M Kaliske - International Journal of Plasticity, 2016 - Elsevier
A microplane plasticity model is regularized by an implicit gradient enhancement. The
plasticity model is defined by a Drucker-Prager yield criterion and within the …

Nonlocal implicit gradient enhancements for strain localization informed by controllability criteria for plastic solids

D Xue, X Lü, KW Lim, G Buscarnera - Computer Methods in Applied …, 2023 - Elsevier
Nonlocal implicit gradient enhancements are widely used to suppress mesh dependency in
simulations involving strain localization. For example, nonlocality is often introduced through …