Fractional modeling in action: A survey of nonlocal models for subsurface transport, turbulent flows, and anomalous materials

JL Suzuki, M Gulian, M Zayernouri, M D'Elia - Journal of Peridynamics and …, 2023 - Springer
Modeling of phenomena such as anomalous transport via fractional-order differential
equations has been established as an effective alternative to partial differential equations …

On the existence and uniqueness of solutions to a nonlinear variable order time-fractional reaction–diffusion equation with delay

K Van Bockstal, MA Zaky, AS Hendy - Communications in Nonlinear …, 2022 - Elsevier
In this article, our purpose is to study the existence and uniqueness of a solution to a
damped variable order fractional subdiffusion equation with time delay. Under weak …

A micropolar peridynamic differential operator and simulation of crack propagation

J Wan, D Yang, X Chu, W Qu - Engineering Fracture Mechanics, 2022 - Elsevier
The micropolar continuum explains the size effects in the materials with microstructures by
attaching micro-rotations to the material points, but it still encounters difficulties when …

Variable-order approach to nonlocal elasticity: Theoretical formulation, order identification via deep learning, and applications

S Patnaik, M Jokar, F Semperlotti - Computational Mechanics, 2022 - Springer
This study presents the formulation of the variable-order continuum mechanics theory and its
application to the analysis of nonlocal heterogeneous solids. The variable-order continuum …

Numerical methods and key issues for the study of particle material fragmentation behavior-A review

S Liang, YT Feng, Z Wang - Powder Technology, 2024 - Elsevier
The fragmentation behavior of particle materials is widely observed in natural environments,
engineering applications, and other fields. It is an important factor contributing to natural …

Displacement-driven approach to nonlocal elasticity

S Patnaik, S Sidhardh, F Semperlotti - European Journal of Mechanics-A …, 2022 - Elsevier
This study presents a physically-consistent displacement-driven reformulation of the concept
of action-at-a-distance, which is at the foundation of nonlocal elasticity. In contrast to the …

Effects of cracking on the deformation anisotropy of GaAs with different crystal orientations during scratching using molecular dynamics simulations

B Li, J Li, J Xu, T Xuan, W Fan - Tribology International, 2023 - Elsevier
As previous studies have neglected the effect of cracking on the deformation of hard and
brittle materials during processing, our interest lies in assessing how cracking affects the …

On the fractional homogenization of one-dimensional elastic metamaterials with viscoelastic foundation

W Ding, JP Hollkamp, S Patnaik… - Archive of Applied …, 2023 - Springer
This work investigates the application of space–time fractional-order operators to the
simulation of linear elastic waves propagating in 1D periodic structures resting on a …

Application of variable-order fractional calculus to the modeling of calendar aging in lithium-ion batteries

JA López-Villanueva, P Rodríguez-Iturriaga, L Parrilla… - Energies, 2023 - mdpi.com
Battery aging is one of the key challenges that electrochemical energy storage faces.
Models for both cycling and calendar aging are valuable for quantitatively assessing their …

Dynamic propagation of moving cracks in brittle materials by field-enriched finite element method

X Zhou, Z Jia - Engineering Fracture Mechanics, 2024 - Elsevier
We propose a field-enriched finite element model to simulate the dynamic growth of moving
cracks in brittle solids. The paper introduces the dynamic model and verifies its accuracy by …