Identification of an Arbitrary Shape Obstacle of Scattering Problem Using Near Field Data

• Autorzy: Rymarczyk Tomasz , Sikora Jan , Kulisz Monika , Kłosowski Grzegorz

Identyfikatory

DOI

10.12913/22998624/192489

• Języki publikacji: EN

Abstrakty

EN

This paper delves into a significant area of research, exploring the application of the standard boundary element method (BEM) to analyze inverse acoustic frequency scattering problems in 2D space using a rigid corrugated circular object. The inverse problem is reformulated as an optimization problem, with the boundary of the scatterer parametrized to reduce the number of optimization variables. The influence of these parameters on imaging results based on near-field data is examined. The analysis uses a flat wave illuminating the object along the positive x-axis direction. The study evaluates the accuracy of the solution across various parameters defining the boundary of the analyzed object. The findings, which significantly contribute to advancements in computational methods, non-destructive testing, and the understanding of functional properties of materials and structures, offer valuable insights into numerical techniques and their practical engineering applications.

Słowa kluczowe

EN

boundary element method; BEM; near field data; inverse scattering problem; acoustic scattering

• Wydawca: Lublin University of Technology ; Polish Society of Ecological Engineering (PTIE), Branch of PTIE in Lublin
• Czasopismo: Advances in Science and Technology. Research Journal
• Rocznik: 2024
• Tom: Vol. 18, no. 7
• Strony: 396--405
• Opis fizyczny: Bibliogr. 35 poz., fig.

Twórcy

autor

Rymarczyk Tomasz

• Research & Development Centre Netrix S.A., ul. Związkowa 26, 20-148 Lublin, Poland
• Faculty of Transport and Informatics, WSEI University, ul. Projektowa 4, 20-209 Lublin, Poland

• https://orcid.org/0000-0002-3524-9151

autor

Sikora Jan

• Research & Development Centre Netrix S.A., ul. Związkowa 26, 20-148 Lublin, Poland
• Faculty of Transport and Informatics, WSEI University, ul. Projektowa 4, 20-209 Lublin, Poland

autor

Kulisz Monika

• Faculty of Management, Lublin University of Technology, ul. Nadbystrzycka 38 D, 20-618 Lublin, Poland

autor

Kłosowski Grzegorz

• Faculty of Management, Lublin University of Technology, ul. Nadbystrzycka 38 D, 20-618 Lublin, Poland

Bibliografia

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