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Optimal control of electrorheological fluids through the action of electric fields

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Abstract

This paper is concerned with an optimal control problem of steady-state electrorheological fluids based on an extended Bingham model. Our control parameters are given by finite real numbers representing applied direct voltages, which enter in the viscosity of the electrorheological fluid via an electrostatic potential. The corresponding optimization problem belongs to a class of nonlinear optimal control problems of variational inequalities with control in the coefficients. We analyze the associated variational inequality model and the optimal control problem. Thereafter, we introduce a family of Huber-regularized optimal control problems for the approximation of the original one and verify the convergence of the regularized solutions. Differentiability of the solution operator is proved and an optimality system for each regularized problem is established. In the last part of the paper, an algorithm for the numerical solution of the regularized problem is constructed and numerical experiments are carried out.

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Acknowledgments

We would like to thank Sergio González-Andrade for providing us the finite element matrices used in the computational experiment. Research partially supported by the Alexander von Humboldt Foundation and by the ’Excellence Initiative’ of the German Federal and State Governments and the Graduate School of Computational Engineering at TU Darmstadt.

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Authors and Affiliations

  1. Research Center on Mathematical Modelling (MODEMAT), EPN Quito, Ladrón de Guevara, E11-253, Quito, Ecuador

    Juan Carlos De Los Reyes

  2. Fakultät für Mathematik, Universität Duisburg-Essen, Thea-Leymann-Straße 9, D-45127, Essen, Germany

    Irwin Yousept

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  1. Juan Carlos De Los Reyes
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  2. Irwin Yousept
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Correspondence to Juan Carlos De Los Reyes.

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De Los Reyes, J.C., Yousept, I. Optimal control of electrorheological fluids through the action of electric fields. Comput Optim Appl 62, 241–270 (2015). https://doi.org/10.1007/s10589-014-9705-5

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  • DOI: https://doi.org/10.1007/s10589-014-9705-5

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