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

Zh. Vychisl. Mat. Mat. Fiz., 2022 Volume 62, Number 3, Pages 451–461 (Mi zvmmf11374)

This article is cited in 1 paper

Mathematical physics

Features of numerical reconstruction of a boundary condition in an inverse problem for a reaction–diffusion–advection equation with data on the position of a reaction front

R. L. Arguna, A. V. Gorbacheva, D. V. Lukyanenkoab, M. A. Shishlenincd

a Faculty of Physics, Lomonosov Moscow State University
b Moscow Center for Fundamental and Applied Mathematics, Lomonosov Moscow State University, 119234, Moscow, Russia
c Institute of Computational Mathematics and Mathematical Geophysics, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia
d Novosibirsk State University, 630090, Novosibirsk, Russia

Abstract: A new approach to the reconstruction of a boundary condition in an inverse problem for a nonlinear singularly perturbed reaction–diffusion–advection equation with data on the reaction front position is proposed. The problem is solved via gradient minimization of a cost functional with an initial approximation chosen by applying asymptotic analysis methods. The efficiency of the proposed approach is demonstrated by numerical experiments.

Key words: inverse problem with data on the position of a reaction front, inverse boundary value problem, reaction–diffusion–advection equation.

UDC: 519.6

Received: 31.03.2021
Revised: 08.04.2021
Accepted: 20.05.2021

DOI: 10.31857/S0044466922030024


 English version:
Computational Mathematics and Mathematical Physics, 2022, 62:3, 441–451

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© Steklov Math. Inst. of RAS, 2024