Deformation and flow of amorphous solids: Insights from elastoplastic models

A Nicolas, EE Ferrero, K Martens, JL Barrat - Reviews of Modern Physics, 2018 - APS
The deformation and flow of disordered solids, such as metallic glasses and concentrated
emulsions, involves swift localized rearrangements of particles that induce a long-range …

Ductile-to-brittle transition and yielding in soft amorphous materials: perspectives and open questions

T Divoux, E Agoritsas, S Aime, C Barentin, JL Barrat… - Soft Matter, 2024 - pubs.rsc.org
Soft amorphous materials are viscoelastic solids ubiquitously found around us, from clays
and cementitious pastes to emulsions and physical gels encountered in food or biomedical …

Slip and non-slip flows of MHD nanofluid through microchannel to cool discrete heat sources in presence and absence of viscous dissipation

AH Pordanjani, A Raisi, A Daneh-Dezfuli - Journal of Magnetism and …, 2023 - Elsevier
This paper investigates heat transfer (HTR) and fluid flows of a magnetohydrodynamic
(MHD) nanofluid (NFD) in a two-parallel-plate microchannel with three isothermal heat …

A review of the methods of modeling multi-phase flows within different microchannels shapes and their applications

A Abidi, A Ahmadi, M Enayati, SM Sajadi, H Yarmand… - Micromachines, 2021 - mdpi.com
In industrial processes, the microtechnology concept refers to the operation of small devices
that integrate the elements of operational and reaction units to save energy and space. The …

Spatiotemporal correlations between plastic events in the shear flow of athermal amorphous solids

A Nicolas, J Rottler, JL Barrat - The European Physical Journal E, 2014 - Springer
The slow flow of amorphous solids exhibits striking heterogeneities: swift localised particle
rearrangements take place in the midst of a more or less homogeneously deforming …

Boundary conditions for soft glassy flows: slippage and surface fluidization

V Mansard, L Bocquet, A Colin - Soft matter, 2014 - pubs.rsc.org
We explore the question of surface boundary conditions for the flow of a dense emulsion.
We make use of microlithographic tools to create surfaces with well controlled roughness …

Rheology of athermal amorphous solids: Revisiting simplified scenarios and the concept of mechanical noise temperature

A Nicolas, K Martens, JL Barrat - Europhysics Letters, 2014 - iopscience.iop.org
We study the rheology of amorphous solids in the limit of negligible thermal fluctuations.
General arguments indicate that the shear-rate dependence of the stress results from an …

Universal and non-universal features in coarse-grained models of flow in disordered solids

A Nicolas, K Martens, L Bocquet, JL Barrat - Soft matter, 2014 - pubs.rsc.org
We study the two-dimensional (2D) shear flow of amorphous solids within variants of an
elastoplastic model, paying particular attention to spatial correlations and time fluctuations …

Cooperativity flows and shear-bandings: a statistical field theory approach

R Benzi, M Sbragaglia, M Bernaschi, S Succi, F Toschi - Soft Matter, 2016 - pubs.rsc.org
Cooperativity effects have been proposed to explain the non-local rheology in the dynamics
of soft jammed systems. Based on the analysis of the free-energy model proposed by L …

Diffusion in mesoscopic lattice models of amorphous plasticity

B Tyukodi, D Vandembroucq, CE Maloney - Physical review letters, 2018 - APS
We present results on tagged particle diffusion in a mesoscale lattice model for sheared
amorphous material in athermal quasistatic conditions. We find a short time diffusive regime …