Finite stopping times for freely oscillating drop of a yield stress fluid
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- 作者：Wanli Cheng wanli@math.uh.edu ; Maxim A. Olshanskii ; molshan@math.uh.edu
- 关键词：Free surface flows ; Viscoplastic fluid ; The Herschel-Bulkley model ; Oscillating drop ; Finite stopping time
- 刊名：Journal of Non-Newtonian Fluid Mechanics
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：239
- 期：Complete
- 页码：73-84
- 全文大小：2831 K
- 卷排序：239
文摘
We devise variational inequality and energy balance for a free-surface flow of a yield-stress fluid. The method of viscous potentials is used to study small oscillations of a viscoplastic droplet. Oscillations of a viscoplastic droplet driven by surface tension forces have finite stopping times.