[HTML][HTML] A ductile phase-field fracture formulation with regularized fracture toughness through a gradient-extended micromorphic approach

D Zhao, B Yin, J Storm, M Kaliske - Computer Methods in Applied …, 2024 - Elsevier
In this work, a phase-field formulation is proposed to describe ductile fracture in fiber-
reinforced concrete materials. By incorporating an elastoplastic bulk material formulation …

A review on ductile fracture prediction of cracked/notched components: The distinct and simplifying roles of the equivalent material concept and fictitious material …

S Mohammadi, AR Torabi - Theoretical and Applied Fracture Mechanics, 2024 - Elsevier
Most of engineering structures and components are made of ductile materials, while fracture
mechanics tools have been mostly developed for brittle materials. This article investigates …

[HTML][HTML] A concise review of small-strain phase-field modeling of ductile fracture

A Marengo, U Perego - European Journal of Mechanics-A/Solids, 2023 - Elsevier
The computational modeling of ductile fracture is a complex problem due to the
simultaneous presence of various competing dissipation mechanisms at the microscale …

Topology optimization of finite strain elastoplastic materials using continuous adjoint method: Formulation, implementation, and applications

J Han, K Furuta, T Kondoh, S Nishiwaki… - Computer Methods in …, 2024 - Elsevier
This study presents a unified formulation of topology optimization for finite strain
elastoplastic materials. As the primal problem to describe the elastoplastic behavior, we …

Extended B‐spline‐based implicit material point method enhanced by F‐bar projection method to suppress pressure oscillation

R Sugai, J Han, Y Yamaguchi… - International Journal …, 2023 - Wiley Online Library
An enhancement of the extended B‐spline‐based implicit material point method (EBS‐
MPM) is developed to avoid pressure oscillation and volumetric locking. The EBS‐MPM is a …

Phase-field model for 2D cohesive-frictional shear fracture: An energetic formulation

Y Feng, F Freddi, J Li, YE Ma - Journal of the Mechanics and Physics of …, 2024 - Elsevier
This paper presents a phase-field model for cohesive-frictional shear fracture. The model is
derived based on two energetic principles: the energy conservation law and a variational …

[HTML][HTML] Topology optimization with a finite strain nonlocal damage model using the continuous adjoint method

J Han, K Furuta, T Kondoh, K Izui, S Nishiwaki… - Computer Methods in …, 2024 - Elsevier
This study presents a unified formulation of topology optimization with a finite strain nonlocal
damage model using the continuous adjoint method. For the primal problem to describe the …

Phase-field model of hydraulic fracturing in thermoelastic–plastic media

D Yi, Z Yang, L Yi, J Liu, C Yang, L Gou… - International Journal of …, 2024 - Elsevier
In this study, we present a thermodynamically consistent thermo-fluid–solid–elastic–plastic
phase-field model to accurately capture the propagation process of hydraulic fracture in …

Multiscale graph neural networks with adaptive mesh refinement for accelerating mesh-based simulations

R Perera, V Agrawal - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
Abstract Mesh-based Graph Neural Networks (GNNs) have recently shown capabilities to
simulate complex multiphysics problems with accelerated performance times. However …

Identification of microscale fracture models for mortar with in-situ tests

A Tsitova, F Bernachy-Barbe, B Bary, C Bourcier… - International Journal of …, 2023 - Elsevier
The microscale fracture modeling of concrete requires explicit descriptions of the
microstructure and the fracture properties of its constituents. The identification of fracture …