A generally variational phase field model of fracture
Although the phase field method has been widely used in the field of fracture, various
models exist, such as the second-order and fourth-order phase field model in the field of …
models exist, such as the second-order and fourth-order phase field model in the field of …
A non-isothermal thermodynamically consistent phase field model for damage, fracture and fatigue evolutions in elasto-plastic materials
This paper presents a general thermodynamically consistent non-isothermal phase field
framework to model effects of damage, fracture and fatigue evolutions in elasto-plastic …
framework to model effects of damage, fracture and fatigue evolutions in elasto-plastic …
A unified first-order hyperbolic model for nonlinear dynamic rupture processes in diffuse fracture zones
Earthquake fault zones are more complex, both geometrically and rheologically, than an
idealized infinitely thin plane embedded in linear elastic material. To incorporate nonlinear …
idealized infinitely thin plane embedded in linear elastic material. To incorporate nonlinear …
[HTML][HTML] Parameter identification for a damage phase field model using a physics-informed neural network
CJG Rojas, JL Boldrini, ML Bittencourt - Theoretical and Applied …, 2023 - Elsevier
This work applies concepts of artificial neural networks to identify the parameters of a
mathematical model based on phase fields for damage and fracture. Damage mechanics is …
mathematical model based on phase fields for damage and fracture. Damage mechanics is …
Nonlocal phase field approach for modeling damage in brittle materials
In this work, we present a nonlocal phase field model for damage in brittle materials. We
define a non-conservative order parameter for representing the damage. The Helmholtz free …
define a non-conservative order parameter for representing the damage. The Helmholtz free …
An integrated sensitivity‐uncertainty quantification framework for stochastic phase‐field modeling of material damage
EA Barros de Moraes, M Zayernouri… - International Journal …, 2021 - Wiley Online Library
Materials accumulate energy around voids and defects under external loading, causing the
formation of microcracks. With increasing or repeated loads, those microcracks eventually …
formation of microcracks. With increasing or repeated loads, those microcracks eventually …
Data-driven failure prediction in brittle materials: A phase field-based machine learning framework
EAB de Moraes, H Salehi… - Journal of Machine …, 2021 - dl.begellhouse.com
Failure in brittle materials led by the evolution of micro-to macro-cracks under repetitive or
increasing loads is often catastrophic with no significant plasticity to advert the onset of …
increasing loads is often catastrophic with no significant plasticity to advert the onset of …
Parameter identification for a damage model using a physics informed neural network
CJG Rojas, ML Bitterncourt, JL Boldrini - arXiv preprint arXiv:2107.08781, 2021 - arxiv.org
This work applies concepts of artificial neural networks to identify the parameters of a
mathematical model based on phase fields for damage and fracture. Damage mechanics is …
mathematical model based on phase fields for damage and fracture. Damage mechanics is …
Adaptive meshfree method for fourth-order phase-field model of fracture using consistent integration schemes
Y Shao, Q Duan, R Chen - Computational Materials Science, 2024 - Elsevier
An adaptive fourth-order phase-field model is proposed using consistent element-free
Galerkin method (EFG). Convenient construction of high-order interpolation functions in EFG …
Galerkin method (EFG). Convenient construction of high-order interpolation functions in EFG …
Simulation of non-linear structural elastodynamic and impact problems using minimum energy high-order bases
We present the application of simultaneous diagonalization and minimum energy (SDME)
high-order finite element modal bases for simulation of transient non-linear elastodynamic …
high-order finite element modal bases for simulation of transient non-linear elastodynamic …