Abstract
In our empirical model a network strand will be idealized by a nonlinear dumbbell. The strand can thus diffuse by Brownian motion, as it is typical for bead-spring kinetic models, and by impulsive diffusion, as it is typical for transient network theories. With the help of a slight generalization of a recently proposed numerical stochastic approach to transient network theories, we study some rheological properties of the model in shear and elongational flow. In elongational flow the nonlinearity is shown to lead to the correct qualitative behavior of the material function.
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Petruccione, F. An empirical approach to non-Gaussian polymer network theories. Continuum Mech. Thermodyn 1, 97–111 (1989). https://doi.org/10.1007/BF01141996
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DOI: https://doi.org/10.1007/BF01141996