Asymptotic Analysis of an Optimal Control Problem Involving a Thick Two-Level Junction with Alternate Type of Controls |
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Authors: | T Durante T A Mel’nyk |
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Institution: | 1.Dipartimento di Ingegneria dell’ Informazione e Matematica Applicata,Universita di Salerno,Fisciano (SA),Italy;2.Department of Mathematical Physics, Faculty of Mathematics and Mechanics,National Taras Shevchenko University of Kiev,Kiev,Ukraine |
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Abstract: | We study the asymptotic behavior (as ε→0) of an optimal control problem in a plane thick two-level junction, which is the union of some domain and a large number 2N of thin rods with variable thickness of order
e = O(N-1).\varepsilon =\mathcal{O}(N^{-1}).
The thin rods are divided into two levels depending on the geometrical characteristics and on the controls given on their
bases. In addition, the thin rods from each level are ε-periodically alternated and the inhomogeneous perturbed Fourier boundary conditions are given on the lateral sides of the
rods. Using the direct method of the calculus of variations and the Buttazzo-Dal Maso abstract scheme for variational convergence
of constrained minimization problems, the asymptotic analysis of this problem for different kinds of controls is made as ε→0. |
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