Abstract
Vortex methods for domains bounded by closed surfaces such as bubbles must be modified to account for the changes in the enclosed volume. In the past, this has been accomplished by placing a source of unknown strength inside the bubble. Here, a new vortex method capable of simulating problems of this nature is developed. The volume changes of the domain are handled by introducing a uniform source distribution at the surface. Examples of the application of this technique are drawn from the area of bubble dynamics. A vapor bubble collapsing under hydrostatic pressure is studied as a test case. The results agree very well with the available boundary integral calculations in the literature. As an example of importance to bubble dynamics,the shape and volume oscillations of two bubbles in an acoustic field are also examined and several intriguing results are found.
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© 1994 Springer Science+Business Media Dordrecht
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Oğuz, H.N. (1994). Vortex simulations of bubble oscillations. In: Blake, J.R., Boulton-Stone, J.M., Thomas, N.H. (eds) Bubble Dynamics and Interface Phenomena. Fluid Mechanics and Its Applications, vol 23. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0938-3_6
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DOI: https://doi.org/10.1007/978-94-011-0938-3_6
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