Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 357844
Title Flow-induced correlation effects within a linear chain in a polymer melt
Author(s) Stepanyan, R.; Slot, J.J.M.; Molenaar, J.; Tchesnokov, M.A.
Source Physical Review. E, Statistical nonlinear, and soft matter physics 72 (2005)5. - ISSN 1539-3755 - p. 051807 - 051818.
Department(s) Mathematical and Statistical Methods - Biometris
Publication type Refereed Article in a scientific journal
Publication year 2005
Keyword(s) convective constraint release - cox-merz rule - microscopic theory - molecular theory - constitutive equation - entangled polymers - tube model - stretch - reptation - dynamics
Abstract A framework for a consistent description of the flow-induced correlation effects within a linear polymer chain in a melt is proposed. The formalism shows how correlations between chain segments in the flow can be incorporated into a hierarchy of distribution functions for tangent vectors. The present model allows one to take into account all the major relaxation mechanisms. Special cases of the derived set of equations are shown to yield existing models and shed some light on the connection between them. Consequences of several assumptions widely used in the literature are analyzed within the developed framework
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