Multilayered Scattering Problem with Generalized Impedance Boundary Condition on the Core

Jun Guo, Guozheng Yan and Mingjian Cai

Journal of Applied Mathematics, 2015, vol. 2015, issue 1

Abstract: This paper is concerned with the scattering problem of time‐harmonic acoustic plane waves by an impenetrable obstacle buried in a piecewise homogeneous medium. The so‐called generalized impedance boundary condition is imposed on the boundary of the obstacle. Firstly, the well posedness of the solution to the direct scattering problem is established by using the boundary integral method. Then a uniqueness result for the inverse scattering problem is proved; that is, both of the obstacle’s shape and the impedances (μ, λ) can be uniquely determined from far field measurements. Furthermore, a mathematical basis is given to reconstruct the shape of the obstacle by using a modified linear sampling method.

Date: 2015
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https://doi.org/10.1155/2015/195460

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnljam:v:2015:y:2015:i:1:n:195460

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