Xu Shuang, Zhao Ning, Wang Chun-wu, Wang Dong-hong. Interface treating methods for the gas-water multi-phase flows[J]. Explosion And Shock Waves, 2015, 35(3): 326-334. doi: 10.11883/1001-1455-(2015)03-0326-09
Citation:
Xu Shuang, Zhao Ning, Wang Chun-wu, Wang Dong-hong. Interface treating methods for the gas-water multi-phase flows[J]. Explosion And Shock Waves, 2015, 35(3): 326-334. doi: 10.11883/1001-1455-(2015)03-0326-09
Xu Shuang, Zhao Ning, Wang Chun-wu, Wang Dong-hong. Interface treating methods for the gas-water multi-phase flows[J]. Explosion And Shock Waves, 2015, 35(3): 326-334. doi: 10.11883/1001-1455-(2015)03-0326-09
Citation:
Xu Shuang, Zhao Ning, Wang Chun-wu, Wang Dong-hong. Interface treating methods for the gas-water multi-phase flows[J]. Explosion And Shock Waves, 2015, 35(3): 326-334. doi: 10.11883/1001-1455-(2015)03-0326-09
A new interface treating method is presented for the compressible-incompressible gas-water multi-phase flow.The Riemann problem is constructed at the compressible gas-water interface, and then solved according to the hypothesis that the sound speed tends to infinity in the water.The solution of Riemann problem provides the fluid states for compressible gas and incompressible water at the interface.Those states can then be used to define the interface boundary condition by coupling the ghost fluid method.The level set method is employed to track the interface.The numerical examples of one-dimension case are given in this paper, furthermore, several comparisons are made with other results to verify the algorithm.Numerical results show that the provided algorithm can capture the discontinuities accurately, which demonstrates the robustness and efficiency.
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