Statistics of tumbling of a single polymer molecule in shear flow

S Gerashchenko, V Steinberg - Physical review letters, 2006 - APS
We present experimental results on statistics of polymer orientation angles relative to the
shear plane and tumbling times in shear flow with thermal noise. The strong deviation of the …

Shear thinning of unentangled flexible polymer liquids

RH Colby, DC Boris, WE Krause, S Dou - Rheologica acta, 2007 - Springer
Experimentally, it is well-known that the Rouse model gives a superb description of the
concentration dependence of terminal relaxation time, terminal modulus, zero shear-rate …

Shear thinning in dilute polymer solutions

JF Ryder, JM Yeomans - The Journal of chemical physics, 2006 - pubs.aip.org
We use bead-spring models for a polymer coupled to a solvent described by multiparticle
collision dynamics to investigate shear thinning effects in dilute polymer solutions. First, we …

Multiple regimes of deformation in shearing flow of isolated polymers

IS Dalal, N Hoda, RG Larson - Journal of Rheology, 2012 - pubs.aip.org
Using Brownian dynamics simulations, without excluded volume and hydrodynamic
interactions, on single polymer molecules represented by bead-spring models with stiff …

A Gram–Charlier Analysis of Scattering to Describe Nonideal Polymer Conformations

A Datta, X Wang, SD Mengel, AJ DeStefano… - …, 2024 - ACS Publications
Theories of interpreting polymer physics and rheology at the molecular level from
experiments, including small-angle scattering, typically rely on the assumption that polymer …

Effectiveness of DPD Simulations to Predict the Dynamics of Polymer Chains in Solutions at Equilibrium and Steady Shear Flows

P Kumar, S Jana, H Shyam… - … Theory and Simulations, 2023 - Wiley Online Library
The suitability of dissipative particle dynamics simulations is investigated to predict the
dynamics of polymer chains in dilute polymer solutions. The authors find that the predictions …

Conformations and dynamics of single flexible ring polymers in simple shear flow

W Chen, Y Li, H Zhao, L Liu, J Chen, L An - Polymer, 2015 - Elsevier
The conformational, orientational and dynamical properties of single flexible ring polymers
under simple shear flow are studied by a hybrid multiparticle collision dynamics simulation …

Flow light scattering studies of polymer coil conformation in solutions in extensional flow

EC Lee, SJ Muller - Macromolecules, 1999 - ACS Publications
The dynamics of isolated polymer chains in dilute solution under steady, extensional flow
were investigated by means of flow light scattering. Both the orientation and deformation of …

Effects of excluded volume and hydrodynamic interaction on the deformation, orientation and motion of ring polymers in shear flow

W Chen, H Zhao, L Liu, J Chen, Y Li, L An - Soft Matter, 2015 - pubs.rsc.org
A ring polymer is a classical model to explore the behaviors of biomacromolecules.
Compared with its linear counterpart in shear flow, the ring polymer should be more …

Comparison of Brownian dynamics simulations with microscopic and light-scattering measurements of polymer deformation under flow

L Li, RG Larson - Macromolecules, 2000 - ACS Publications
Using Brownian dynamics simulations, we predict the deformation of a polymer coil in dilute
solution and compare the results to direct measurements for DNA molecules and for …