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Acoustic radiation force exerted on a small spheroidal rigid particle by a beam of arbitrary wavefront: Examples of traveling and standing plane waves

Research output: Contribution to journalArticle

Original languageEnglish
Article numberEL453
Number of pages8
JournalJournal of the Acoustical Society of America
Volume144
Issue number5
Early online date28 Nov 2018
DOIs
DateAccepted/In press - 5 Nov 2018
DateE-pub ahead of print - 28 Nov 2018
DatePublished (current) - Nov 2018

Abstract

The analytical solution of the acoustic radiation force exerted by a beam of arbitrary shape on a small spheroidal rigid particle suspended in an ideal fluid is presented. The particle is assumed to be much smaller than the wavelength, i.e., the so-called long-wavelength approximation. Based on this theoretical development, closed-form expressions for the radiation force of a traveling and standing plane wave exerted on a prolate spheroidal particle are derived in the dipole approximation. As validation, the previous analytical result considering a standing wave interacting with a spheroid in axisymmetric configuration is recovered, as well as numerical results obtained with the boundary-element method.

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  • Full-text PDF (accepted author manuscript)

    Rights statement: This is the author accepted manuscript (AAM). The final published version (version of record) is available online via AIP Publishing at https://asa.scitation.org/doi/10.1121/1.5080529 . Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 366 KB, PDF document

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