Modified BEM for scattering analysis by a flaw at interface in an anisotropic multi-layered plate

Yang, Chen; Wang, Bin; Qian, Zhenghua; Hirose, Sohichi

doi:10.1016/j.enganabound.2023.04.028

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2024

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Cited by 5 publications

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“…Meanwhile, the authors constructed the stability term by using the Taylor expansion of the gradient. We can refer [49] to the modified BEM for two-dimensional elastic plates and [20] for indirect BIE for the scattering of seismic waves. The MFS method can give accuracy results for the direct and inverse scattering problem (see e.g.…”

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confidence: 99%

Recovering the impedance function or shape of elastic obstacle from partial Cauchy data

Sun,

Wang,

Chen

2024

DCDS-S

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In this paper, we focus on recovering the impedance function or the boundary shape from a pair of Cauchy data on the known boundary by using an indirect boundary integral equation. This present problem has been divided into two parts. The first part is to solve a Cauchy problem through using an indirect boundary integral equation method combining a regularization technique. Then, the elastic impedance function is given by a point to point method. The second part is to recover the elastic shape by a Newton-type iterative method. The effectiveness of the method has been shown by solving some examples.

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confidence: 99%