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 comparative review of peridynamics and phase-field models for engineering fracture mechanics

P Diehl, R Lipton, T Wick, M Tyagi - Computational Mechanics, 2022 - Springer
Computational modeling of the initiation and propagation of complex fracture is central to the
discipline of engineering fracture mechanics. This review focuses on two promising …

A mixed-mode phase field fracture model in anisotropic rocks with consistent kinematics

EC Bryant, WC Sun - Computer Methods in Applied Mechanics and …, 2018 - Elsevier
Under a pure tensile loading, cracks in brittle, isotropic, and homogeneous materials often
propagate such that pure mode I kinematics are maintained at the crack tip. However …

Coupled phase-field and plasticity modeling of geological materials: From brittle fracture to ductile flow

J Choo, WC Sun - Computer Methods in Applied Mechanics and …, 2018 - Elsevier
The failure behavior of geological materials depends heavily on confining pressure and
strain rate. Under a relatively low confining pressure, these materials tend to fail by brittle …

Meta-modeling game for deriving theory-consistent, microstructure-based traction–separation laws via deep reinforcement learning

K Wang, WC Sun - Computer Methods in Applied Mechanics and …, 2019 - Elsevier
This paper presents a new meta-modeling framework that employs deep reinforcement
learning (DRL) to generate mechanical constitutive models for interfaces. The constitutive …

A phase field framework for capillary-induced fracture in unsaturated porous media: Drying-induced vs. hydraulic cracking

Y Heider, WC Sun - Computer Methods in Applied Mechanics and …, 2020 - Elsevier
This manuscript introduces a unified mathematical framework to replicate both desiccation-
induced and hydraulic fracturing in low-permeable unsaturated porous materials observed …

A global–local approach for hydraulic phase-field fracture in poroelastic media

F Aldakheel, N Noii, T Wick, P Wriggers - Computers & Mathematics with …, 2021 - Elsevier
In this work, phase-field modeling of hydraulic fractures in porous media is extended
towards a Global–Local approach. Therein, the failure behavior is solely analyzed in a …

FFT-based solver for higher-order and multi-phase-field fracture models applied to strongly anisotropic brittle materials

R Ma, WC Sun - Computer methods in applied Mechanics and …, 2020 - Elsevier
This paper presents the application of a fast Fourier transform (FFT) based method to solve
two phase field models designed to simulate crack growth of strongly anisotropic materials …

Cracking and damage from crystallization in pores: Coupled chemo-hydro-mechanics and phase-field modeling

J Choo, WC Sun - Computer Methods in Applied Mechanics and …, 2018 - Elsevier
Cracking and damage from crystallization of minerals in pores center on a wide range of
problems, from weathering and deterioration of structures to storage of CO 2 via in situ …

Multi‐phase‐field microporomechanics model for simulating ice‐lens growth in frozen soil

HS Suh, WC Sun - … for Numerical and Analytical Methods in …, 2022 - Wiley Online Library
This article presents a multi‐phase‐field poromechanics model that simulates the growth
and thaw of ice lenses and the resultant frozen heave and thaw settlement in multi …