Large amplitude oscillatory shear flow: Microstructural assessment of polymeric systems

M Kamkar, R Salehiyan, TB Goudoulas… - Progress in Polymer …, 2022 - Elsevier
Since the first publications of large amplitude oscillatory shear (LAOS) responses of
polymeric materials in the 1960s, different approaches have been developed to express …

A review of the second normal-stress difference; its importance in various flows, measurement techniques, results for various complex fluids and theoretical predictions

O Maklad, RJ Poole - Journal of Non-Newtonian Fluid Mechanics, 2021 - Elsevier
Shear flow is ubiquitous. Not only is it arguably the most widely-used deformation type to
characterise complex fluids in rheological studies but also, in practice, the deformation most …

Describing and prescribing the constitutive response of yield stress fluids using large amplitude oscillatory shear stress (LAOStress)

CJ Dimitriou, RH Ewoldt, GH McKinley - Journal of Rheology, 2013 - pubs.aip.org
Large amplitude oscillatory shear (LAOS) is used as a tool to probe the nonlinear
rheological response of a model elasto-viscoplastic material (a Carbopol microgel). In …

A comprehensive constitutive law for waxy crude oil: a thixotropic yield stress fluid

CJ Dimitriou, GH McKinley - Soft Matter, 2014 - pubs.rsc.org
Guided by a series of discriminating rheometric tests, we develop a new constitutive model
that can quantitatively predict the key rheological features of waxy crude oils. We first …

3D cell entrapment in crosslinked thiolated gelatin-poly (ethylene glycol) diacrylate hydrogels

Y Fu, K Xu, X Zheng, AJ Giacomin, AW Mix, WJ Kao - Biomaterials, 2012 - Elsevier
The combined use of natural ECM components and synthetic materials offers an attractive
alternative to fabricate hydrogel-based tissue engineering scaffolds to study cell-matrix …

Low-dimensional intrinsic material functions for nonlinear viscoelasticity

RH Ewoldt, NA Bharadwaj - Rheologica Acta, 2013 - Springer
Rheological material functions are used to form our conceptual understanding of a material
response. For a nonlinear rheological response, the possible deformation protocols and …

Comparison of sequence of physical processes (SPP) and Fourier transform coupled with Chebyshev polynomials (FTC) methods to interpret large amplitude …

MY Erturk, SA Rogers, J Kokini - Food Hydrocolloids, 2022 - Elsevier
Abstract Fourier Transform coupled with Chebyshev Polynomials (FTC) and Sequence of
Physical Processes (SPP) are used to study and interpret the large amplitude oscillatory …

Large amplitude oscillatory shear (LAOS) measurements to obtain constitutive equation model parameters: Giesekus model of banding and nonbanding wormlike …

A Kate Gurnon, NJ Wagner - Journal of Rheology, 2012 - pubs.aip.org
Large amplitude oscillatory shear (LAOS) is an increasingly popular nonlinear rheological
test method, and the interpretation of the measurements is still an active area of research …

In search of physical meaning: defining transient parameters for nonlinear viscoelasticity

SA Rogers - Rheologica Acta, 2017 - Springer
A complete set of model-independent viscoelastic functions for understanding responses to
transient nonlinear rheological tests is presented, using large-amplitude oscillatory shear …

Defining nonlinear rheological material functions for oscillatory shear

RH Ewoldt - Journal of Rheology, 2013 - pubs.aip.org
Material functions underlie our understanding of rheology. They form the descriptive
language of rheologists and require clear definitions. Here, it is shown that the definitions of …