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On diffusive variants of some classical viscoelastic rate-type models
Type of publication: Article
Citation:
Publication status: Published
Journal: AIP Conference Proceedings
Volume: 2107
Year: 2019
Pages: 020002
DOI: 10.1063/1.5109493
Abstract: We present a thermodynamically based approach to the design of models for viscoelastic fluids with stress diffusion effect. In particular, we show how to add a stress diffusion term to some standard viscoelastic rate-type models (Giesekus, FENE-P, Johnson–Segalman, Phan-Thien–Tanner and Bautista–Manero–Puig) so that the resulting models with the added stress diffusion term are thermodynamically consistent in the sense that they obey the first and the second law of thermodynamics. We point out the potential applications of the provided thermodynamical background in the study of flows of fluids described by the proposed models.
Preprint project: NCMM
Preprint year: 2019
Preprint number: 05
Preprint ID: NCMM/2019/05
Keywords: stress diffusion, thermodynamics, viscoelastic fluids
Authors Dostalík, Mark
Průša, Vít
Skřivan, Tomáš
Added by: [VP]
Total mark: 0
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