Abstract
We consider optimal control problems of systems governed by quasi-linear, stationary, incompressible Navier–Stokes equations with shear-dependent viscosity in a two-dimensional or three-dimensional domain. We study a general class of viscosity functions with shear-thinning behaviour. Our aim is to prove the existence of a solution for the class of control problems and derive the first order optimality conditions.
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Communicated by H. Beirao da Veiga
The author is very thankful to Professors Tomáš Roubíček and Thomas Slawig for their helpful comments and advices that improved the final version of this paper.
This work was partially supported by The Fundação para a Ciência e Tecnologia (Portuguese Foundation for Science and Technology) through PEst-OE/MAT/UI0297/2011 and PTDC/MAT109973/2009.
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Guerra, T. Distributed Control for Shear-Thinning Non-Newtonian Fluids. J. Math. Fluid Mech. 14, 771–789 (2012). https://doi.org/10.1007/s00021-012-0101-6
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DOI: https://doi.org/10.1007/s00021-012-0101-6