SCATTERING BY CIRCULAR VOIDS WITH RIGID BOUNDARY: DIRECT AND INVERSE PROBLEMS FOR OPEN AND CLOSE DOMAINS

Tomasz Rymarczyk; Jan Sikora

doi:10.35784/iapgos.3376

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Published: Dec 30, 2022

DOI: https://doi.org/10.35784/iapgos.3376

DOI

https://doi.org/10.35784/iapgos.3376

Authors

Tomasz Rymarczyk

tomasz@rymarczyk.com

1 Research & Development Centre Netrix S.A., 2 WSEI University, Faculty of Transport and Informatics

http://orcid.org/0000-0002-3524-9151

Jan Sikora

sik59@wp.pl

1 Research & Development Centre Netrix S.A., 2 WSEI University, Faculty of Transport and Informatics

http://orcid.org/0000-0002-9492-5818

Abstract

Problems with the accuracy of calculations by the Boundary Element Method of acoustic and ultrasonic problems formulated in the frequency domain were presented in this paper. The inverse problem was formulated to identify the position and dimensions of the scattering object. A series of numerical experiments carried out with the help of the Boundary Elements Method proved the algorithm's robustness to noise and high precision in a wide frequency spectrum.

Keywords:

acoustics-ultrasound wave propagation, BEM simulation, inverse problems, optimization methods

References

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Rymarczyk, T., & Sikora, J. (2022). SCATTERING BY CIRCULAR VOIDS WITH RIGID BOUNDARY: DIRECT AND INVERSE PROBLEMS FOR OPEN AND CLOSE DOMAINS. Informatyka, Automatyka, Pomiary W Gospodarce I Ochronie Środowiska, 12(4), 4–10. https://doi.org/10.35784/iapgos.3376

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