Control of phase boundary evolution in metal solidification for new thermodynamic parameters of the metal


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The problem of controlling the phase boundary evolution in the course of solidification of metals with different thermodynamic properties is studied. The underlying mathematical model of the process is based on a three-dimensional nonstationary two-phase initial–boundary value problem of the Stefan type. The control functions are determined by optimal control problems, which are solved numerically with the help of gradient optimization methods. The gradient of the cost function is exactly computed by applying the fast automatic differentiation technique. The research results are described and analyzed. Some of them are illustrated.

作者简介

A. Albu

Dorodnicyn Computing Center, Federal Research Center “Computer Science and Control”

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Email: alla.albu@mail.ru
俄罗斯联邦, ul. Vavilova 40, Moscow, 119333

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