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JOURNALS // Zhurnal Vychislitel'noi Matematiki i Matematicheskoi Fiziki // Archive

Zh. Vychisl. Mat. Mat. Fiz., 2025 Volume 65, Number 12, Pages 2024–2030 (Mi zvmmf12103)

Optimal control

Optimal control of complex heat transfer equations with Cauchy boundary conditions

A. Yu. Chebotarev

Institute for Applied Mathematics, Far Eastern Branch, Russian Academy of Sciences, Vladivostok

Abstract: This paper presents an analysis of the optimal control problem for a steady- state diffusion model of complex heat transfer, including the $P_1$ – approximation of the radiative heat transfer equation. A formulation is considered in which the boundary values of the temperature and its normal derivative are known, while the boundary conditions for the radiative intensity are not specified. The solvability of the control problem is established, and the necessary optimality conditions are obtained. A sufficient condition for the uniqueness of a solution to the optimal control problem is presented.

Key words: complex heat transfer equations, diffusion approximation, Cauchy boundary conditions, optimal control.

UDC: 517.977

Received: 10.04.2025
Revised: 10.04.2025
Accepted: 19.09.2025

DOI: 10.7868/S3034533225120049


 English version:
Computational Mathematics and Mathematical Physics, 2025, 65:12, 2870–2877

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© Steklov Math. Inst. of RAS, 2026