本文采用扩散界面法研究了剪切流动条件下悬浮液滴变形和断裂的动力学机制.控制方程采用考虑表面张力影响的Navier-Stokes-Cahn-Hilliard方程描述.计算网格采用均匀矩形交错网格.采用基于压力增量的近似投影法计算Navier-Stokes方程,采用完全近似多重网格法计算Cahn-Hi11iard方程.稳态液滴变形规律及液滴拉伸断裂过程的计算结果与试验结果符合较好,表明本文模型能够很好的研究液滴变形及断裂机理.
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