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 …

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 …

Analysis of asymptotic solutions for non-Newtonian fluid flow between two parallel discs with dissimilar in-plane motion

Z Abbas, MA Jafar, J Hasnain - European Journal of Mechanics-B/Fluids, 2020 - Elsevier
The investigation on the flow of non-Newtonian (Casson) fluid is made between parallel
discs, executing in-plane motion in different manners. The fluid motion is induced due to …

The method of harmonic balance for the Giesekus model under oscillatory shear

S Mittal, YM Joshi, S Shanbhag - Journal of Non-Newtonian Fluid …, 2023 - Elsevier
The method of harmonic balance (HB) is a spectrally accurate method used to obtain
periodic steady state solutions to dynamical systems subjected to periodic perturbations. We …

Unidirectional large-amplitude oscillatory shear flow of human blood

C Saengow, AJ Giacomin, AS Dimitrov - Physics of Fluids, 2019 - pubs.aip.org
Blood is a non-Newtonian suspension of red and white cells, platelets, fibrinogen, and
cholesterols in Newtonian plasma. To assess its non-Newtonian behaviors, this work …

Nonlinear material functions under medium amplitude oscillatory shear (MAOS) flow

HY Song, K Hyun - Korea-Australia Rheology Journal, 2019 - Springer
Dynamic oscillatory shear flow has been widely used to investigate viscoelastic material
functions. In particular, small amplitude oscillatory shear (SAOS) tests have become the …

Normal stress differences of human blood in unidirectional large-amplitude oscillatory shear flow

C Saengow, AJ Giacomin… - Journal of Fluids …, 2020 - asmedigitalcollection.asme.org
This work analyzes normal stress difference responses in blood tested in unidirectional
large-amplitude oscillatory shear flow (udLAOS), a novel rheological test, designed for …

Evaluating predictability of various constitutive equations for MAOS behavior of entangled polymer solutions

HY Song, HJ Kong, SY Kim, K Hyun - Journal of Rheology, 2020 - pubs.aip.org
To predict the nonlinear viscoelastic behavior of polymer melts and solutions under medium
amplitude oscillatory shear (MAOS) flow, we summarized known analytical MAOS material …

First-order and third-order nonlinearities from medium-amplitude oscillatory shearing of hydrogen-bonded polymers and other viscoelastic materials

SP Bierwirth, G Honorio, C Gainaru… - Macromolecules, 2019 - ACS Publications
Medium-amplitude oscillatory shear experiments are employed to study the supramolecular
relaxation modes in hydroxyl-terminated polydimethylsiloxane. For these associating melts …

[PDF][PDF] Molecular relaxation of partially deuterated polyisoprene model melts studied by rheology and $^ 1\textH} $/$^ 2\textH} $ time domain NMR

J Keller - 2021 - scholar.archive.org
In the presented work, the molecular and mechanical relaxation processes of model
homopolymer melts are investigated. To do so, defined topologies and molecular weight …