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- W4308281492 abstract "We present the results of numerical testing on determination of the sound speed $c$ in the acoustic equation $u_{tt}-c^2Delta u=0$ by the ${it boundary}$ ${control}$ ${method}$. The inverse data is a response operator (a hyperbolic Dirichlet-to-Neumann map) given on controls, which are supported on ${it a part}$ of the boundary. The speed is determined in the subdomain covered by acoustic rays, which are emanated from the points of this part orthogonally to the boundary. The determination is ${it time-optimal}$: the longer is the observation time, the larger is the subdomain, in which $c$ is recovered. The numerical results are preceded with brief exposition of the relevant variant of the BC-method." @default.
- W4308281492 created "2022-11-10" @default.
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- W4308281492 date "2015-05-20" @default.
- W4308281492 modified "2023-09-26" @default.
- W4308281492 title "Numerical testing in determination of sound speed from a part of boundary by the BC-method" @default.
- W4308281492 doi "https://doi.org/10.48550/arxiv.1505.06176" @default.
- W4308281492 hasPublicationYear "2015" @default.
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