Understanding and modeling polymers: The challenge of multiple scales

F Schmid - ACS Polymers Au, 2022 - ACS Publications
Polymer materials are multiscale systems by definition. Already the description of a single
macromolecule involves a multitude of scales, and cooperative processes in polymer …

Scientific machine learning for modeling and simulating complex fluids

KR Lennon, GH McKinley… - Proceedings of the …, 2023 - National Acad Sciences
The formulation of rheological constitutive equations—models that relate internal stresses
and deformations in complex fluids—is a critical step in the engineering of systems involving …

Exact analytical solution for large-amplitude oscillatory shear flow from Oldroyd 8-constant framework: Shear stress

C Saengow, AJ Giacomin, C Kolitawong - Physics of Fluids, 2017 - pubs.aip.org
The Oldroyd 8-constant model is a continuum framework containing, as special cases, many
important constitutive equations for elastic liquids. When polymeric liquids undergo large …

Macromolecular architecture and complex viscosity

MA Kanso, AJ Giacomin, C Saengow, JH Piette - Physics of Fluids, 2019 - pubs.aip.org
General rigid bead-rod theory [O. Hassager,“Kinetic theory and rheology of bead-rod models
for macromolecular solutions. II. Linear unsteady flow properties,” J. Chem. Phys. 60 (10) …

Ongoing relevance of Oldroyd 8-constant fluids

AJ Giacomin, C Saengow - Journal of Non-Newtonian Fluid Mechanics, 2022 - Elsevier
Of the many seminal contributions by Oldroyd to science and engineering, his weightiest
embodies his 1958 general vision of the expected and allowable constitutive behaviors of …

On the similarities between the simplified Phan-Thien–Tanner model and the finitely extensible nonlinear elastic dumbbell (Peterlin closure) model in simple and …

M Davoodi, K Zografos, PJ Oliveira, RJ Poole - Physics of Fluids, 2022 - pubs.aip.org
For many commonly used viscoelastic constitutive equations, it is well known that the limiting
behavior is that of the Oldroyd-B model. Here, we compare the response of the simplified …

Flow and heat transfer analysis of polymeric fluid in the presence of nanoparticles and microorganisms

R Khan, A Ahmad, M Afraz, Y Khan - Journal of Central South University, 2023 - Springer
This paper investigates the influence of polymers on the flow and heat transfer of
nanoparticles and microorganisms past a horizontal stretching sheet. The fundamental …

Influence of nanoparticles on the electromagnetic hydrodynamic mixed convection flow and heat transfer of a polymeric FENE-P fluid past a Riga plate in the presence …

R Khan, A Ahmad - Journal of Magnetism and Magnetic Materials, 2023 - Elsevier
This article discusses the mixed convection flow of a non-Newtonian FENE-P polymeric fluid
past a Riga plate and examines how the Lorentz force responds to temperature and …

Influence of FENE-P fluid on drag reduction and heat transfer past a magnetized surface

A Ahmad, A Ishaq, Y Khan - International Journal of Modern Physics …, 2022 - World Scientific
This paper presents the finitely extensible nonlinear elastic-Peterlin (FENE-P) fluid model to
analyze how polymeric fluid affects drag and heat transfer over a magnetized stretching …

Role of polymers in managing flow and heat transfer in non-Newtonian fluids

A Sahreen, R Nawaz, A Ahmad… - Numerical Heat Transfer …, 2023 - Taylor & Francis
This research article delves into the crucial role that polymers play in controlling the
boundary layer flow and heat transfer of non-Newtonian fluids past a stretching surface. To …