Bjerknes forces between small cavitation bubbles in a strong acoustic field

R. Mettin, I. Akhatov, U. Parlitz, C. D. Ohl, W. Lauterborn

Research output: Contribution to journalArticlepeer-review

295 Citations (Scopus)


The mutual interaction between small oscillating cavitation bubbles [Formula Presented] in a strong acoustic field ([Formula Presented] [Formula Presented]) is investigated numerically. We assume spherical symmetry and a coupling of the bubble oscillations. Our results show that the strength and even the directions of the resulting secondary Bjerknes forces differ considerably from predictions of the well-known linear theory. This is of immediate consequence for understanding and modeling structure formation processes in acoustic cavitation and multibubble sonoluminescence.

Original languageEnglish
Pages (from-to)2924-2931
Number of pages8
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Issue number3
Publication statusPublished - 1997
Externally publishedYes


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