Distributed point source method and its applications in solving acoustic wave scattering problems

Ehsan K. Rahani, Taliehossa Hajzargarbashi, Tribikram Kundu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A recently developed semi-analytical technique called distributed point source method (DPSM) is used for solving various wave scattering problems. Scattering of focused ultrasonic fields by air bubbles or cavities in solid media is investigated here. Results for both single and multiple cavity geometries are presented. It is investigated when two cavities in close proximity can be distinguished and when it is not possible. The interaction effect between two cavities prohibits simple linear superposition of single cavity solutions to obtain the solution for the two cavities placed in close proximity. Therefore, although some analytical and semi-analytical solutions are available for the single cavity in a focused ultrasonic field, those solutions cannot be simply superimposed for solving the two-cavity problem even in a linear elastic material. The comparison between the ultrasonic energies reflected from two small cavities versus a single big cavity is also investigated.

Original languageEnglish (US)
Title of host publicationProceedings of Meetings on Acoustics
Volume14
DOIs
StatePublished - 2011
Event162nd Meeting Acoustical Society of America 2011 - San Diego, CA, United States
Duration: Oct 31 2011Nov 4 2011

Other

Other162nd Meeting Acoustical Society of America 2011
CountryUnited States
CitySan Diego, CA
Period10/31/1111/4/11

Fingerprint

acoustic scattering
wave scattering
point sources
cavities
ultrasonics
proximity
bubbles

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

Rahani, E. K., Hajzargarbashi, T., & Kundu, T. (2011). Distributed point source method and its applications in solving acoustic wave scattering problems. In Proceedings of Meetings on Acoustics (Vol. 14). [045001] https://doi.org/10.1121/1.3664301

Distributed point source method and its applications in solving acoustic wave scattering problems. / Rahani, Ehsan K.; Hajzargarbashi, Taliehossa; Kundu, Tribikram.

Proceedings of Meetings on Acoustics. Vol. 14 2011. 045001.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Rahani, EK, Hajzargarbashi, T & Kundu, T 2011, Distributed point source method and its applications in solving acoustic wave scattering problems. in Proceedings of Meetings on Acoustics. vol. 14, 045001, 162nd Meeting Acoustical Society of America 2011, San Diego, CA, United States, 10/31/11. https://doi.org/10.1121/1.3664301
Rahani EK, Hajzargarbashi T, Kundu T. Distributed point source method and its applications in solving acoustic wave scattering problems. In Proceedings of Meetings on Acoustics. Vol. 14. 2011. 045001 https://doi.org/10.1121/1.3664301
Rahani, Ehsan K. ; Hajzargarbashi, Taliehossa ; Kundu, Tribikram. / Distributed point source method and its applications in solving acoustic wave scattering problems. Proceedings of Meetings on Acoustics. Vol. 14 2011.
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