 We have recently solved the tumbling-snake model for concentrated polymer solutions and entangled melts in the academic case of a monodisperse sample. Here, we extend these studies and provide the stationary solutions of the tumbling-snake model both analytically, for small shear rates, and via Brownian dynamics simulations, for a bidisperse sample over a wide range of shear rates and model parameters. We further show that the tumbling-snake model bears the necessary capacity to compare well with available linear and non-linear rheological data for bidisperse systems. This capacity is added to the already documented ability of the model to accurately predict the shear rheology of monodisperse systems.
for LaTeX users @article{PSStephanou2019-11,
author = {P. S. Stephanou and M. Kr\"oger},
title = {Assessment of the tumbling-snake model against linear and nonlinear rheological data of bidisperse polymer blends},
journal = {Polymers},
volume = {11},
pages = {376},
year = {2019}
}
\bibitem{PSStephanou2019-11} P.S. Stephanou, M. Kr\"oger,
Assessment of the tumbling-snake model against linear and nonlinear rheological data of bidisperse polymer blends,
Polymers {\bf 11} (2019) 376.PSStephanou2019-11
P.S. Stephanou, M. Kr\"oger
Assessment of the tumbling-snake model against linear and nonlinear rheological data of bidisperse polymer blends
Polymers,11,2019,376 |
mk@mat.ethz.ch
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