Non-Maxwellian viscoelastic stress relaxations in soft matter

J Song, N Holten-Andersen, GH McKinley - Soft Matter, 2023 - pubs.rsc.org
Viscoelastic stress relaxation is a basic characteristic of soft matter systems such as colloids,
gels, and biological networks. Although the Maxwell model of linear viscoelasticity provides …

Water training initiates spatially regulated microstructures with competitive mechanics in hydroadaptive polymers

W Chen, C Huang, P Biehl, K Zhang - Nature Communications, 2024 - nature.com
The strategy using water as a medium for dynamic modulation of competitive plasticity and
viscoelasticity provides a unique perspective to attain adaptive materials. We reveal …

Critical-like gelation dynamics in cellulose nanocrystal suspensions

L Morlet-Decarnin, T Divoux, S Manneville - ACS Macro Letters, 2023 - ACS Publications
We use time-resolved mechanical spectroscopy to offer a detailed picture of the gelation
dynamics of cellulose nanocrystal (CNC) suspensions following shear cessation in the …

Topological data analysis for particulate gels

AD Smith, GJ Donley, E Del Gado, VM Zavala - ACS nano, 2024 - ACS Publications
Soft gels, formed via the self-assembly of particulate materials, exhibit intricate multiscale
structures that provide them with flexibility and resilience when subjected to external …

Fractional rheology-informed neural networks for data-driven identification of viscoelastic constitutive models

D Dabiri, M Saadat, D Mangal, S Jamali - Rheologica Acta, 2023 - Springer
Developing constitutive models that can describe a complex fluid's response to an applied
stimulus has been one of the critical pursuits of rheologists. The complexity of the models …

Stress–stress correlations reveal force chains in gels

HA Vinutha, FD Diaz Ruiz, X Mao… - The Journal of …, 2023 - pubs.aip.org
We investigate the spatial correlations of microscopic stresses in soft particulate gels using
2D and 3D numerical simulations. We use a recently developed theoretical framework …

Necking and failure of a particulate gel strand: signatures of yielding on different length scales

K Thijssen, TB Liverpool, CP Royall, RL Jack - Soft Matter, 2023 - pubs.rsc.org
“Sticky” spheres with a short-ranged attraction are a basic model of a wide range of
materials from the atomic to the granular length scale. Among the complex phenomena …

A polydisperse model for thixotropic elasto‐viscoplastic suspensions of aggregating particles using population balances

S Jariwala, R Song, JB Hipp, RB Diemer… - AIChE …, 2023 - Wiley Online Library
An improved population balance‐based rheological constitutive framework for polydisperse
aggregating suspensions is derived by incorporating detailed models for orthokinetic and …

Distinct elastic properties and their origins in glasses and gels

Y Wang, M Tateno, H Tanaka - Nature Physics, 2024 - nature.com
Glasses and gels, common amorphous solids with diverse applications, share intriguing
similarities, including rigidity without translational order and dynamic slowing during ageing …

Two-step aging dynamics in enzymatic milk gels

J Bauland, G Manna, T Divoux, T Gibaud - Physical Review Materials, 2024 - APS
Colloidal gels undergo a phenomenon known as physical aging, ie, a continuous change of
their physical properties with time. To date, most of the research effort on aging in gels has …