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Title: The simulation of cavitating flows induced by underwater shock and free surface interaction
Authors: Xie, W.F.
Liu, T.G.
Khoo, B.C. 
Keywords: Free surface
One-fluid cavitation model
Underwater shock
Unsteady cavitation
Issue Date: May-2007
Citation: Xie, W.F., Liu, T.G., Khoo, B.C. (2007-05). The simulation of cavitating flows induced by underwater shock and free surface interaction. Applied Numerical Mathematics 57 (5-7 SPEC. ISS.) : 734-745. ScholarBank@NUS Repository.
Abstract: An underwater explosion near a free surface constitutes an explosive gas-water-air system with a shock and free surface interaction and the presence of bulk cavitation region. This paper applies a simplified modified ghost fluid method [T.G. Liu, et al., Comm. Comput. Phys. 1 (2006) 898] to simulate the explosive gas-water and water-air interfaces and an isentropic one-fluid cavitation model [T.G. Liu, et al., J. Comput. Phys. 201 (2004) 80] to describe and capture the unsteady cavitation just below the free surface. It is found that the proposed ghost fluid method can accurately simulate the gas-water/water-air compressible flows with the wave interaction at the interfaces and the deformation of the free surface. The isentropic one-fluid cavitation model, on the other hand, is capable of simulating the dynamic creation and evolution of the bulk cavitation below the free surface. © 2006 IMACS.
Source Title: Applied Numerical Mathematics
ISSN: 01689274
DOI: 10.1016/j.apnum.2006.07.014
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