This paper solves the inverse elastic wave scattering problem using the direct sampling method. Based on the scattered field of the elastic wave, a new indicator function is introduced, and the theoretical analysis is carried out, which demonstrates the effectiveness of our method. In practice, the scattered data may contain noise, and a modified indicator function is developed; furthermore, the stability analysis is also implemented to confirm the robustness of the proposed approach. Numerical examples are provided to clarify the effectiveness and robustness of our method.
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Hong Guo
Jin Huang
Zhaoxing Li
Theoretical and Mathematical Physics
University of Electronic Science and Technology of China
North China University of Science and Technology
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Guo et al. (Wed,) studied this question.
www.synapsesocial.com/papers/69ec5b8a88ba6daa22dacfe5 — DOI: https://doi.org/10.1134/s0040577926040045