科研成果详情

The dynamic behavior of Rayleigh-Taylor unstable interfaces may be simplified in terms of dynamics of fundamental modes and the interaction between these modes. A dynamic equation is proposed to capture the dominant behavior of single bubbles and spikes in the linear, free fall and terminal velocity stages. The interaction between bubbles, characterized by the process of bubble merger, is studied by investigating the motion of the outer envelope of the bubbles. The front tracking method is used for simulating the motion of two compressible fluids of different density under the influence of gravity.