It is numerical investigated of dynamics of the state of a liquid on decompression by SPH. Tne two statement is demonstrated reflection shock wave from free surface and shock wave loading of a liquid droplet. A numerical analysis shows that focusing of the shock wave reflected from the free surface of the droplet leads to the formation of a dense, but rapidly expanding cavitation cluster at the droplet center. It is shows tnat SPH can be used to a investigation of a fluid structure of a cavitating liquid witn high volume of a gas phase and to describe the process of inversion of the two-phase state of this medium: transition from a cavitating fluid to a system consisting of a gas and particles.
Lavrentyev Institute of Hydrodynamics SB RAS, Novosibirsk, 630090, Russia, Novosibirsk, Lavrentyev pr., 15
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