Advances in large amplitude oscillatory shear Rheology of food materials

MY Erturk, ANM Le, J Kokini - Frontiers in Food Science and …, 2023 - frontiersin.org
Molecular interactions determine the microstructure of food, as well as its response to
deformation and flow. In order to design efficient processing equipment, to produce high …

Effect of temperature on gelation and cross-linking of gelatin methacryloyl for biomedical applications

HE Park, N Gasek, J Hwang, DJ Weiss, PC Lee - Physics of Fluids, 2020 - pubs.aip.org
Hydrogels with or without chemical cross-linking have been studied and used for biomedical
applications, such as tissue repair, surgical sealants, and three dimensional biofabrication …

Large amplitude oscillatory shear study of a colloidal gel near the critical state

K Suman, S Shanbhag, YM Joshi - The Journal of Chemical Physics, 2023 - pubs.aip.org
ABSTRACT A system undergoing sol–gel transition passes through a unique point, known
as the critical gel state, where it forms the weakest space spanning percolated network. We …

[HTML][HTML] Why the Cox–Merz rule and Gleissle mirror relation work: A quantitative analysis using the Wagner integral framework with a fractional Maxwell kernel

JDJ Rathinaraj, B Keshavarz, GH McKinley - Physics of Fluids, 2022 - pubs.aip.org
In this work, we mathematically derive the conditions for which empirical rheometric relations
such as the Cox–Merz rule and Gleissle mirror relationship are satisfied. We consider the …

Incorporating rheological nonlinearity into fractional calculus descriptions of fractal matter and multi-scale complex fluids

JDJ Rathinaraj, GH McKinley, B Keshavarz - Fractal and Fractional, 2021 - mdpi.com
In this paper, we use ideas from fractional calculus to study the rheological response of soft
materials under steady-shearing flow conditions. The linear viscoelastic properties of many …

Influences of chemical crosslinking, physical associating, and filler filling on nonlinear rheological responses of polyisoprene

X Fan, H Xu, C Wu, Y Song, Q Zheng - Journal of Rheology, 2020 - pubs.aip.org
Chemical crosslinking, physical associating, and filler filling play vital roles in nonlinear
responses of rubbers under large amplitude oscillatory shear (LAOS). Herein, a systematical …

Gaborheometry: Applications of the discrete Gabor transform for time resolved oscillatory rheometry

JD John Rathinaraj, GH McKinley - Journal of Rheology, 2023 - pubs.aip.org
Oscillatory rheometric techniques such as small amplitude oscillatory shear (SAOS) and,
more recently, medium amplitude oscillatory shear and large amplitude oscillatory shear …

Medium amplitude parallel superposition (MAPS) rheology. Part 1: Mathematical framework and theoretical examples

KR Lennon, GH McKinley, JW Swan - Journal of Rheology, 2020 - pubs.aip.org
A new mathematical representation for nonlinear viscoelasticity is presented based on the
application of the Volterra series expansion to the general nonlinear relationship between …

[HTML][HTML] Thixotropic spectra and Ashby-style charts for thixotropy

S Sen, RH Ewoldt - Journal of Rheology, 2022 - pubs.aip.org
There is no universal model for thixotropy, and comparing thixotropic effects between
different fluids is a subtle yet challenging problem. We introduce a generalized (model …

Can numerical methods compete with analytical solutions of linear constitutive models for large amplitude oscillatory shear flow?

S Mittal, YM Joshi, S Shanbhag - Rheologica Acta, 2024 - Springer
We consider the corotational Maxwell model which is perhaps the simplest constitutive
model with a nontrivial oscillatory shear response that can be solved analytically. The exact …