Simulation of rheological properties of polyethylene melts under uniaxial tension

DOI10.1134/S0021894421070142zbMath1489.76006OpenAlexW4226060442MaRDI QIDQ2130673

G. O. Rudakov, A. S. Malygina, G. V. Pyshnograj, M. A. Makarova

Publication date: 25 April 2022

Published in: Journal of Applied Mechanics and Technical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1134/s0021894421070142

zbMATH Keywords

Runge-Kutta methodinternal frictionmultimode rheological modeltensile viscosityVinogradov-Pokrovskii model

Mathematics Subject Classification ID

Finite difference methods applied to problems in fluid mechanics (76M20) Viscoelastic fluids (76A10)

Cites Work

• Constitutive equations for weakly entangled linear polymers
• Simple forms of determining equation of concentrated polymer solutions and melts as a consequence of molecular viscoelasticity theory
• Modeling of the three-dimensional flow of polymer melt in a convergent channel of rectangular cross-section
• On the predictive/fitting capabilities of the advanced differential constitutive equations for branched LDPE melts

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