A comparative review of XFEM, mixed FEM and phase-field models for quasi-brittle cracking
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 …
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 …
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 …
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
This paper presents a new constitutive model describing the mechanical behavior of
concrete at early age and beyond. This model, entitled solidification–microprestress …
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
Concrete is undoubtedly the most important and widely used construction material of the last
centuries. Nevertheless, mathematical models that can accurately capture the particular …
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 …
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 …
and fracture of engineering materials. However, the rate-dependence of quasi-brittle …
A nonlocal coupled damage-plasticity model for the analysis of ductile failure
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 …
fracture. The proposed model makes use of both damage mechanics and plasticity theories …
An implicit gradient formulation for microplane Drucker-Prager plasticity
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 …
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
Nonlocal implicit gradient enhancements are widely used to suppress mesh dependency in
simulations involving strain localization. For example, nonlocality is often introduced through …
simulations involving strain localization. For example, nonlocality is often introduced through …