Mean-field theory of yielding under oscillatory shear
We study a mean field elastoplastic model, embedded within a disordered landscape of
local yield barriers, to shed light on the behavior of athermal amorphous solids subject to …
local yield barriers, to shed light on the behavior of athermal amorphous solids subject to …
Slow fatigue and highly delayed yielding via shear banding in oscillatory shear
JO Cochran, GL Callaghan, MJG Caven… - Physical Review Letters, 2024 - APS
We study theoretically the dynamical process of yielding in cyclically sheared amorphous
materials, within a thermal elastoplastic model and the soft glassy rheology model. Within …
materials, within a thermal elastoplastic model and the soft glassy rheology model. Within …
Fatigue failure of amorphous alloys under cyclic shear deformation
NV Priezjev - Computational Materials Science, 2023 - Elsevier
The accumulation of plastic deformation and flow localization in amorphous alloys under
periodic shear are investigated using molecular dynamics simulations. We study a well …
periodic shear are investigated using molecular dynamics simulations. We study a well …
Absorbing-state transitions in particulate systems under spatially varying driving
BP Bhowmik, C Ness - arXiv preprint arXiv:2403.02487, 2024 - arxiv.org
We study the absorbing state transition in particulate systems under spatially
inhomogeneous driving using a modified random organization model. For smoothly varying …
inhomogeneous driving using a modified random organization model. For smoothly varying …
Memory switching due to thermal noise in amorphous solids subject to cyclic shear
D Majumdar, I Regev - arXiv preprint arXiv:2310.09869, 2023 - arxiv.org
The discovery that memory of particle configurations and plastic events can be stored in
amorphous solids subject to oscillatory shear has spurred research into methods for storing …
amorphous solids subject to oscillatory shear has spurred research into methods for storing …
Creep failure of amorphous solids under tensile stress
Applying constant tensile stress to a piece of amorphous solid results in a slow extension,
followed by an eventual rapid mechanical collapse. This “creep” process is of paramount …
followed by an eventual rapid mechanical collapse. This “creep” process is of paramount …
Scaling theory for Wöhler plots in amorphous solids under cyclic forcing
In mechanical engineering Wöhler plots serve to measure the average number of load
cycles before materials break, as a function of the maximal stress in each cycle. Although …
cycles before materials break, as a function of the maximal stress in each cycle. Although …
Mean field theories for the aging and yielding of athermal amorphous solids
JT Parley - 2022 - ediss.uni-goettingen.de
In this thesis we study mean field elastoplastic models to understand athermal amorphous
solids, which show complex slow relaxation (aging) phenomena and intricate mechanical …
solids, which show complex slow relaxation (aging) phenomena and intricate mechanical …