A study of regularization errors in a thermodynamically consistent Rolie-Poly model
Rheologica Acta, ISSN: 1435-1528, Vol: 64, Issue: 1, Page: 1-6
2025
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Article Description
Abstract: It has recently been shown that predictions of the Rolie-Poly model—a leading constitutive equation for the nonlinear rheology of well-entangled polymers—can exhibit thermodynamically inadmissible behavior in reversing flows. In this work, we follow up on a suggested “regularized Ianniruberto-Marrucci” correction that restores both thermodynamic consistency and smooth relaxation kinetics. We identify and explain scaling relationships in the regularization error and produce a heuristic for estimating suitable values of the regularization parameter.
Bibliographic Details
Springer Science and Business Media LLC
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