Equivalence between angular spectrum-based and multipole expansion-based formulas of the acoustic radiation force and torque
نویسندگان
چکیده
Two main methods have been proposed to derive the acoustical radiation force and torque applied by an arbitrary acoustic field on a particle: The first one relies plane wave angular spectrum decomposition of incident (see [Sapozhnikov Bailey, J. Acoust. Soc. Am. 133, 661 (2013)] for [Gong Baudoin, 148, 3131 (2020)] torque), while second into sum spherical waves, so-called multipole expansion [Silva, 130, 3541 (2011)] [Baresh et al., 25 force, [Silva EPL 97, 54003 (2012)] Phys. Rev. Applied 11, 064022 (2019)] torque). In this paper, we formally establish equivalence between expressions obtained with these two both torque.
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ژورنال
عنوان ژورنال: Journal of the Acoustical Society of America
سال: 2021
ISSN: ['0001-4966', '1520-9024', '1520-8524']
DOI: https://doi.org/10.1121/10.0005004