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Partial regularity of the solutions to a turbulent problem in porous media


Authors: H. B. de Oliveira and A. Paiva
Journal: Proc. Amer. Math. Soc. 147 (2019), 3961-3981
MSC (2010): Primary 76F60, 76S05, 35J57, 35B65, 76D03
DOI: https://doi.org/10.1090/proc/14545
Published electronically: June 14, 2019
MathSciNet review: 3993789
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Abstract: A one-equation turbulent model that is being used with success in the applications to model turbulent flows through porous media is studied in this work. We consider the classical Navier-Stokes equations, with feedback forces fields, coupled with the equation for the turbulent kinetic energy (TKE) through the turbulence production term and through the turbulent and the diffusion viscosities. Under suitable growth conditions on the feedback functions involved in the model, we prove the local higher integrability of the gradient solutions to the steady version of this problem.


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Additional Information

H. B. de Oliveira
Affiliation: FCT - Universidade do Algarve, Faro, Portugal; and CMAFCIO - Universidade de Lisboa, Portugal
Email: holivei@ualg.pt

A. Paiva
Affiliation: FCT - Universidade do Algarve, Faro, Portugal

DOI: https://doi.org/10.1090/proc/14545
Keywords: Turbulence, $k$-epsilon modelling, porous media, partial regularity
Received by editor(s): June 8, 2018
Received by editor(s) in revised form: January 10, 2019
Published electronically: June 14, 2019
Additional Notes: The first author was partially supported by Grant SFRH/BSAB/135242/2017 and by the Project UID/MAT/04561/2013, both from the Portuguese Foundation for Science and Technology (FCT), Portugal.
Communicated by: Catherine Sulem
Article copyright: © Copyright 2019 American Mathematical Society