The Mesoscopic Constitutive Equations for Polymeric Fluids and Some Examples of Viscometric Flows
Joda, Hyder N. A.
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Constitutive equations for melts and concentrated solutions of linear polymers are derived as consequences of dynamics of a separate macromolecule. The model is investigated for viscometric flows. It was shown that the model gives a good description of non-linear effects of simple shear polymer flows: viscosity anomalies, first and second normal stresses, non-steady shear stresses