By using PIC method ,the vertical impact on the water surface for a 2-D su- personic flat-head body with a detached shock wave is studied in this paper.Numerical results show that various complicated flow phenomena su...By using PIC method ,the vertical impact on the water surface for a 2-D su- personic flat-head body with a detached shock wave is studied in this paper.Numerical results show that various complicated flow phenomena such as the supersonic flow around the body,the air cushion effect,the propagation of the shock wave in water,the initial formation of the wa- ter-entry cavity and the pile-up of the water surface are simulated successfully.展开更多
文摘By using PIC method ,the vertical impact on the water surface for a 2-D su- personic flat-head body with a detached shock wave is studied in this paper.Numerical results show that various complicated flow phenomena such as the supersonic flow around the body,the air cushion effect,the propagation of the shock wave in water,the initial formation of the wa- ter-entry cavity and the pile-up of the water surface are simulated successfully.