A parallel discrete dislocation dynamics/kinetic Monte Carlo method to study non-conservative plastic processes

C McElfresh, N Bertin, S Aubry, J Marian - Computational Materials Science, 2022 - Elsevier
Non-conservative processes play a fundamental role in plasticity and are behind important
macroscopic phenomena such as creep, dynamic strain aging, loop raft formation, etc. In the …

Implication of site-specific segregation on grain boundary structural transition and deformation response in nanocrystalline Ni-Nb alloy

RK Jha, R Kumar, A Dutta, S Mandal - Computational Materials Science, 2024 - Elsevier
In this study, atomistic simulation technique is utilized to examine the impact of grain
boundary (GB) character (disorientation angle), structure (boundary-free volume) and …

Room-temperature vacancy emission from the jog on edge dislocation in FCC nickel under glide force

Y Wang, WR Jian, W Cai - arXiv preprint arXiv:2411.00305, 2024 - arxiv.org
Jogs, atomic-scale steps on dislocations, play an important role in crystal plasticity, yet they
are often ignored in discrete dislocation dynamics (DDD) simulations due to their small …

Recent advances in accelerated molecular dynamics methods: Theory and applications

D Perez, T Lelièvre - … Computational Chemistry, First …, 2023 - lanlexperts.elsevierpure.com
By providing fully spatio-temporally-resolved atomistic trajectories, Molecular Dynamics
(MD) simulations can reveal fundamental characteristics of the thermodynamics and kinetics …

ParSplice: strong exa-scaling of molecular dynamics

TD Swinburne - arXiv preprint arXiv:2402.03521, 2024 - arxiv.org
ParSplice D. Perez, ED Cubuk, A. Waterland, E. Kaxiras, and AF Voter, Long-Time
Dynamics through Parallel Trajectory Splicing, Journal of Chemical Theory and …

Contributions à l'étude de la corrosion à haute température par le dialogue essais-calculs: données, modèles, outils

T Gheno - 2024 - hal.science
Mes travaux visent à mieux comprendre les évolutions chimiques et microstructurales
associées à la corrosion des matériaux métalliques à haute température, et à fournir des …