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Distributed control for multistate modified Navier-Stokesequations

Published online by Cambridge University Press:  02 May 2012

Nadir Arada
Nadir Arada*
Affiliation:
Departamento de Matemática, Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa, Quinta da Torre, 2829-516 Caparica, Portugal. naar@fct.unl.pt

Abstract

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The aim of this paper is to establish necessary optimality conditions for optimal controlproblems governed by steady, incompressible Navier-Stokes equations with shear-dependentviscosity. The main difficulty derives from the fact that equations of this type mayexhibit non-uniqueness of weak solutions, and is overcome by introducing a family ofapproximate control problems governed by well posed generalized Stokes systems and bypassing to the limit in the corresponding optimality conditions.

Keywords

Optimal controlmultistate Navier-Stokes equationsshear-dependent viscositynecessary optimality conditions

Information

Type
Research Article
Information
ESAIM: Control, Optimisation and Calculus of Variations , Volume 19 , Issue 1 , January 2013, pp. 219 - 238
Copyright
© EDP Sciences, SMAI, 2012

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