Phase-field modeling of fracture

JY Wu, VP Nguyen, CT Nguyen, D Sutula… - Advances in applied …, 2020 - Elsevier
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 …

A review of continuum damage and plasticity in concrete: Part I–Theoretical framework

T Park, B Ahmed, GZ Voyiadjis - International Journal of …, 2022 - journals.sagepub.com
In the past few decades, extensive research on concrete modeling to predict behavior, crack
propagation, microcrack coalescence by utilizing different approaches (fracture mechanics …

Phase field and gradient enhanced damage models for quasi-brittle failure: A numerical comparative study

TK Mandal, VP Nguyen, A Heidarpour - Engineering Fracture Mechanics, 2019 - Elsevier
This paper presents a comparative study of the gradient-enhanced damage models (GED)
of Peerlings et al.(1996), Vandoren and Simone (2018) and the phase field damage/fracture …

A polygonal XFEM with new numerical integration for linear elastic fracture mechanics

HD Huynh, MN Nguyen, G Cusatis, S Tanaka… - Engineering Fracture …, 2019 - Elsevier
The extended finite element method (XFEM) has become a powerful and effective technique
for modeling fracture problems without remeshing. In this paper, we introduce a novel and …

A comparative study and ABAQUS implementation of conventional and localizing gradient enhanced damage models

S Sarkar, IV Singh, BK Mishra, AS Shedbale… - Finite Elements in …, 2019 - Elsevier
The conventional gradient models based on continuum damage mechanics are found to
exhibit inconsistencies in terms of damage initiation and growth. With the decrease in non …

A continuous–discontinuous localizing gradient damage framework for failure analysis of quasi-brittle materials

A Negi, S Kumar - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
This article presents a continuous–discontinuous approach that provides a discontinuous
character to the quasi-brittle fracture process, modeled in a continuous setting through a …

A simple and efficient implementation of localizing gradient damage method in COMSOL for fracture simulation

S Sarkar, IV Singh, BK Mishra - Engineering Fracture Mechanics, 2022 - Elsevier
In the present work, a computer implementation of the localizing gradient damage method
(LGDM) is presented in a commercial finite element (FE) package, COMSOL. The LGDM is …

An anisotropic localizing gradient damage approach for failure analysis of fiber reinforced composites

A Negi, A Soni, S Kumar - Composite Structures, 2022 - Elsevier
This article presents an anisotropic gradient-enhanced continuum damage model
developed within the finite element method framework to address complex fracture …

A review of continuum damage and plasticity in concrete: Part II–Numerical framework

GZ Voyiadjis, B Ahmed, T Park - International Journal of …, 2022 - journals.sagepub.com
In this part II, companion article, we present the numerical review of continuum damage
mechanics and plasticity in the context of finite element. The numerical advancements in …

[HTML][HTML] Gradient-extended anisotropic brittle damage modeling using a second order damage tensor–Theory, implementation and numerical examples

M Fassin, R Eggersmann, S Wulfinghoff… - International Journal of …, 2019 - Elsevier
The paper presents a general gradient-extended continuum mechanical framework for
materials with internal variables based on additional generalized balance equations. The …