Kinetic models for polymers with inertial effects

Details Kinetic models for polymers with inertial effects Kinetic models for polymers with inertial effects

2009-01-13

arxiv.org/abs/0901.1909v1

Mathematics

Analysis of PDEs

23 pages, 2 figures

Scientific paper

Novel kinetic models for both Dumbbell-like and rigid-rod like polymers are derived, based on the probability distribution function $f(t, x, n, \dot n)$ for a polymer molecule positioned at $x$ to be oriented along direction $n$ while embedded in a $\dot n$ environment created by inertial effects. It is shown that the probability distribution function of the extended model, when converging, will lead to well accepted kinetic models when inertial effects are ignored such as the Doi models for rod like polymers, and the Finitely Extensible Non-linear Elastic (FENE) models for Dumbbell like polymers.

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