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IMCS/Publications/BASM/Issues/BASM n.1 (59), 2009/

Optimal control for one complex dynamic system.

Authors: Alla Albu, Vladimir Zubov

Abstract

The optimal control problem of the metal solidification in casting is considered. The process is modeled by a three-dimensional two-phase initial-boundary value problem of the Stefan type. A numerical algorithm is presented for solving the direct problem. The optimal control problem as solved numerically using the gradient method. The gradient of the cost function was found with the help of conjugate problem. The discreet conjugate problem was posed with the help of Fast Automatic Differentiation technique.

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