Bénard Problem for Slightly Compressible Fluids: Existence and Nonlinear Stability in 3D

Arianna Passerini

International Journal of Differential Equations, 2020, vol. 2020, 1-11

Abstract:

This paper shows the existence, uniqueness, and asymptotic behavior in time of regular solutions (a la Ladyzhenskaya) to the Bénard problem for a heat-conducting fluid model generalizing the classical Oberbeck–Boussinesq one. The novelty of this model, introduced by Corli and Passerini, 2019, and Passerini and Ruggeri, 2014, consists in allowing the density of the fluid to also depend on the pressure field, which, as shown by Passerini and Ruggeri, 2014, is a necessary request from a thermodynamic viewpoint when dealing with convective problems. This property adds to the problem a rather interesting mathematical challenge that is not encountered in the classical model, thus requiring a new approach for its resolution.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnijde:9610689

DOI: 10.1155/2020/9610689

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