A review of thixotropy and its rheological modeling

RG Larson, Y Wei - Journal of Rheology, 2019‏ - pubs.aip.org
We review thixotropy, its attributes, and accompanying rheological phenomena, such as
yielding, hysteresis in shear-rate ramps, the influence of rest time and viscosity bifurcation …

Perspectives on viscoelastic flow instabilities and elastic turbulence

SS Datta, AM Ardekani, PE Arratia, AN Beris… - Physical Review …, 2022‏ - APS
Viscoelastic fluids are a common subclass of rheologically complex materials that are
encountered in diverse fields from biology to polymer processing. Often the flows of …

Yield stress fluids and ageing

YM Joshi, G Petekidis - Rheologica Acta, 2018‏ - Springer
Many high-concentration multiphase materials that are industrially and academically
important do not reach thermodynamic equilibrium because of kinetic constraints originating …

nn-PINNs: Non-Newtonian physics-informed neural networks for complex fluid modeling

M Mahmoudabadbozchelou, GE Karniadakis, S Jamali - Soft Matter, 2022‏ - pubs.rsc.org
Time-and rate-dependent material functions in non-Newtonian fluids in response to different
deformation fields pose a challenge in integrating different constitutive models into …

Time-dependent thixotropy of dysphagia management-oriented polysaccharide solutions

R Li, P Wang, A Ma, H Zhang - Food Hydrocolloids, 2023‏ - Elsevier
During dysphagia management, the required foods are often thixotropic yield fluids (YSFs)
in which polysaccharide gums are used as thickeners or gelling agents. Thixotropy is a …

Life and death of colloidal bonds control the rate-dependent rheology of gels

M Nabizadeh, S Jamali - Nature Communications, 2021‏ - nature.com
Colloidal gels exhibit rich rheological responses under flowing conditions. A clear
understanding of the coupling between the kinetics of the formation/rupture of colloidal …

Carbopol: From a simple to a thixotropic yield stress fluid

M Dinkgreve, M Fazilati, MM Denn, D Bonn - Journal of Rheology, 2018‏ - pubs.aip.org
There is an ongoing discussion in the literature about the flow behavior of the widely used
model yield-stress fluid Carbopol. Some papers show that it is indeed the simple model yield …

[HTML][HTML] New insights on carbon black suspension rheology—Anisotropic thixotropy and antithixotropy

Y Wang, RH Ewoldt - Journal of Rheology, 2022‏ - pubs.aip.org
We report a detailed experimental study of peculiar thixotropic dynamics of carbon black
(CB, Vulcan XC-72) suspensions in mineral oil, specifically the observation of sequential …

Distinguishing thixotropy from viscoelasticity

M Agarwal, S Sharma, V Shankar, YM Joshi - Journal of Rheology, 2021‏ - pubs.aip.org
Owing to nonlinear viscoelasticity, materials often show characteristic features that resemble
those of thixotropy. This issue has been debated in the literature over the past several …

Measures of the yield stress fluids oriented for dysphagia management using steady-state shear, transient shear, and large-amplitude oscillatory shear (LAOS)

Y Wei, R Li, H Zhang - Physics of Fluids, 2022‏ - pubs.aip.org
Dysphagia has become a highly prevalent and ever-growing disease among the elderly in
today's society. Polysaccharide-thickened food with yielding features oriented toward …