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On the Peterlin approximation for finitely extensible dumbbells

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Keunings, Roland [UCL]

For the simplest non-linear kinetic theory of dilute polymeric solutions (FENE dumbbells), the pre-averaging Peterlin approximation used to derive a macroscopic constitutive equation (FENE-P) is shown to have a significant impact on the statistical and rheological properties of the model. This is illustrated in simulations of transient elongational flows by means of standard and stochastic numerical techniques. (C) 1997 Elsevier Science B.V.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès restreint
Publication date 1997
Language Anglais
Journal information "Journal of Non-Newtonian Fluid Mechanics" - Vol. 68, no. 1, p. 85-100 (1997)
Peer reviewed yes
Publisher Elsevier Science Bv (Amsterdam)
issn 0377-0257
e-issn 1873-2631
Publication status Publié
Affiliation UCL - FSA/MECA - Département de mécanique
Keywords constitutive equation ; FENE dumbbells ; kinetic theory ; stochastic simulation
Links
Bibliographic reference Keunings, Roland. On the Peterlin approximation for finitely extensible dumbbells. In: Journal of Non-Newtonian Fluid Mechanics, Vol. 68, no. 1, p. 85-100 (1997)
Permanent URL http://hdl.handle.net/2078.1/46473