The role of annealing in determining the yielding behavior of glasses under cyclic shear deformation

H Bhaumik, G Foffi, S Sastry - Proceedings of the National …, 2021 - National Acad Sciences
Yielding behavior in amorphous solids has been investigated in computer simulations using
uniform and cyclic shear deformation. Recent results characterize yielding as a …

Non-affine atomic rearrangement of glasses through stress-induced structural anisotropy

J Dong, H Peng, H Wang, Y Tong, Y Wang… - Nature Physics, 2023 - nature.com
The atomic-scale structural rearrangement of glasses on applied stress is central to the
understanding of their macroscopic mechanical properties and behaviour. However …

Brittle yielding in supercooled liquids below the critical temperature of mode coupling theory

K Lamp, N Küchler, J Horbach - The Journal of Chemical Physics, 2022 - pubs.aip.org
Molecular dynamics computer simulations of a polydisperse soft-sphere model under shear
are presented. The starting point for these simulations are deeply supercooled samples far …

Nucleation theory for yielding of nearly defect-free crystals: Understanding rate dependent yield points

VS Reddy, P Nath, J Horbach, P Sollich, S Sengupta - Physical Review Letters, 2020 - APS
Experiments and simulations show that when an initially defect-free rigid crystal is subjected
to deformation at a constant rate, irreversible plastic flow commences at the so-called yield …

Thawed matrix method for computing local mechanical properties of amorphous solids

J Rottler, C Ruscher, P Sollich - The Journal of Chemical Physics, 2023 - pubs.aip.org
We present a method for computing locally varying nonlinear mechanical properties in
particle simulations of amorphous solids. Plastic rearrangements outside a probed region …

Precursors of fluidisation in the creep response of a soft glass

R Cabriolu, J Horbach, P Chaudhuri, K Martens - Soft matter, 2019 - pubs.rsc.org
Via extensive numerical simulations, we study the fluidisation process of dense amorphous
materials subjected to an external shear stress, using a three-dimensional colloidal glass …

Flow heterogeneities in supercooled liquids and glasses under shear

M Golkia, GP Shrivastav, P Chaudhuri, J Horbach - Physical Review E, 2020 - APS
Using extensive nonequilibrium molecular dynamics simulations, we investigate a glass-
forming binary Lennard-Jones mixture under shear. Both supercooled liquids and glasses …

Continuum mechanics of nonideal crystals: Microscopic approach based on projection-operator formalism

F Miserez, S Ganguly, R Haussmann, M Fuchs - Physical Review E, 2022 - APS
We present a microscopic derivation of the laws of continuum mechanics of nonideal
ordered solids including dissipation, defect diffusion, and heat transport. The starting point is …

[PDF][PDF] From point particles to body points

A DiCarlo, P Podio-Guidugli - Math. Eng., 2022 - researchgate.net
Given a spacetime background against which to observe it, a material system in motion can
be modeled discretely, as a collection of particles called 'point masses', or continuously, as a …

Elasticity in crystals with a high density of local defects: Insights from ultra-soft colloids

S Ganguly, GP Shrivastav, SC Lin, J Häring… - The Journal of …, 2022 - pubs.aip.org
In complex crystals close to melting or at finite temperatures, different types of defects are
ubiquitous and their role becomes relevant in the mechanical response of these solids …