Abstract
The ascend and evolution of an axisymmetric gas bubble are studied numerically using an inviscid incompressible potential flow model. The volume of the gas bubble varies adiabatically. The transition from a simply connected bubble to a doubly connected toroidal one and its interaction with the free surface are simulated. The change in connectedness is accompanied by a nonzero velocity circulation and a discontinuous velocity potential occurring over an arbitrary toroidal liquid surface enclosing the bubble.
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Original Russian Text © A.M. Bubenchikov, V.A. Korobitsyn, D.V. Korobitsyn, P.P. Kotov, Yu.I. Shokin, 2014, published in Zhurnal Vychislitel’noi Matematiki i Matematicheskoi Fiziki, 2014, Vol. 54, No. 7, pp. 1194–1202.
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Bubenchikov, A.M., Korobitsyn, V.A., Korobitsyn, D.V. et al. Numerical simulation of multiply connected axisymmetric discontinuous incompressible potential flows. Comput. Math. and Math. Phys. 54, 1167–1175 (2014). https://doi.org/10.1134/S0965542514070057
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DOI: https://doi.org/10.1134/S0965542514070057