A thermo-mechanical phase-field fracture model: Application to hot cracking simulations in additive manufacturing

H Ruan, S Rezaei, Y Yang, D Gross, BX Xu - Journal of the Mechanics and …, 2023 - Elsevier
Thermal fracture is prevalent in many engineering problems and is one of the most
devastating defects in metal additive manufacturing. Due to the interactive underlying …

[HTML][HTML] Phase field cohesive zone modeling for fatigue crack propagation in quasi-brittle materials

A Baktheer, E Martínez-Pañeda, F Aldakheel - Computer Methods in …, 2024 - Elsevier
The phase field method has gathered significant attention in the past decade due to its
versatile applications in engineering contexts, including fatigue crack propagation modeling …

Coupling Explicit Phase-field MPM for Two-Dimensional Hydromechanical Fracture in Poro-elastoplastic Media

Z Hu, Y Liu, Z Zhang, H Ye, H Zhang… - International Journal of …, 2023 - Elsevier
In this paper, a novel coupling explicit phase-field material point method with the convected
particle domain interpolation (ePF-CCPDI) is proposed to predict the large deformation …

Failure of high-speed bearing at cyclic impact-sliding contacts: Numerical and experimental analysis

C Wang, F Aldakheel, C Zhang, L Gu… - International Journal of …, 2023 - Elsevier
The thermal-induced failure mechanism of the bearing outer-ring guiding-surface is
investigated within this work when subjected to cyclic impact and sliding actions. The paper …

A non-isothermal phase-field hydraulic fracture modeling in saturated porous media with convection-dominated heat transport

CL Nguyen, Y Heider, B Markert - Acta Geotechnica, 2023 - Springer
This research aims to extend the isothermal continuum mechanical modeling framework of
hydraulic fracturing in porous materials to account for the non-isothermal processes …

Electro-chemo-mechanical induced fracture modeling in proton exchange membrane water electrolysis for sustainable hydrogen production

F Aldakheel, C Kandekar, B Bensmann, H Dal… - Computer Methods in …, 2022 - Elsevier
This work provides a framework for predicting fracture of catalyst coated membrane (CCM)
due to coupled electro-chemo-mechanical degradation processes in proton exchange …

Probabilistic failure mechanisms via Monte Carlo simulations of complex microstructures

N Noii, A Khodadadian, F Aldakheel - Computer Methods in Applied …, 2022 - Elsevier
A probabilistic approach to phase-field brittle and ductile fracture with random material and
geometric properties is proposed within this work. In the macroscopic failure mechanics …

Incremental variational approach to gradient damage coupled with poroelasticity of saturated media

XD Zhang, L Cheng, D Kondo, A Giraud - … of the Mechanics and Physics of …, 2024 - Elsevier
In this study, we aim at investigating the coupling between poroelasticity (including the fluid
flow) and gradient damage phenomena in saturated porous media. To this end, we first …

Level-set topology optimization for ductile and brittle fracture resistance using the phase-field method

N Noii, HA Jahangiry, H Waisman - Computer Methods in Applied …, 2023 - Elsevier
This work presents a rigorous mathematical formulation for topology optimization of a macro
structure undergoing ductile failure. The prediction of ductile solid materials which exhibit …

[HTML][HTML] Quantitative analysis of 3D pore characteristics effect on the ductility of HPDC Al–10Si-0.3 Mg alloy through X-ray tomography

Y Zhang, W Tan, J Zheng, W Li, S Huang, Y Xia… - Journal of Materials …, 2023 - Elsevier
Due to the uncertain fracture of the die-casting aluminum component (shock tower), X-ray
tomography (XRT) coupled with digital image correlation (DIC) was implemented to …