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

Zh. Vychisl. Mat. Mat. Fiz., 2008 Volume 48, Number 2, Pages 297–308 (Mi zvmmf185)

This article is cited in 4 papers

Optimal control problem for steady-state equations of acoustic wave diffraction

L. V. Illarionova

Computer Center, Far East Division, Russian Academy of Sciences, ul. Kim Yu Chena 65, Khabarovsk, 680000, Russia

Abstract: An optimal control problem is considered for the steady-state equations of acoustic wave diffraction caused by a three-dimensional inclusion in an unbounded homogeneous medium. The task is to minimize the $L^2$-deviation of the pressure field inside the inclusion from a certain prescribed value due to changing the field sources in the external medium. The solvability of the problem is proved. A solution algorithm is proposed, and its convergence is proved.

Key words: steady-state equations of acoustic wave diffraction, optimal control problem, numerical method of solution, algorithm convergence proof.

UDC: 519.626

Received: 20.04.2007
Revised: 22.08.2007


 English version:
Computational Mathematics and Mathematical Physics, 2008, 48:2, 284–294

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