An Improved Level Set Approach to the Simulation of Drop and Bubble Motion

Abstract

Abstract: An improved level set approach for computing the incompressible two-phase flow with
significantly deformed free interface is presented. The control volume formulation with the
semi-implicit method for pressure-linked equations consistent(SIMPLEC) algorithm
incorporated is used to solve the governing equations on a staggered grid.Several
improvements concerning the computational grid, interface update, reinitialization
procedure etc. are tested and found to be effective in promoting the convergence and
numerical stability. The motion of a bubble or drop in a liquid with large density ratio,
viscosity ratio and surface tension is numerically simulated. The computational results are
in good agreement with the reported experimental data.

Key words: level set approach, bubble, drop, flow, simulation

摘要： An improved level set approach for computing the incompressible two-phase flow with
significantly deformed free interface is presented. The control volume formulation with the
semi-implicit method for pressure-linked equations consistent(SIMPLEC) algorithm
incorporated is used to solve the governing equations on a staggered grid.Several
improvements concerning the computational grid, interface update, reinitialization
procedure etc. are tested and found to be effective in promoting the convergence and
numerical stability. The motion of a bubble or drop in a liquid with large density ratio,
viscosity ratio and surface tension is numerically simulated. The computational results are
in good agreement with the reported experimental data.

关键词: level set approach;bubble;drop;flow;simulation

YANG Chao, MAO Zaisha. An Improved Level Set Approach to the Simulation of Drop and Bubble Motion[J]. .

杨超, 毛在砂. 模拟变形液滴和气泡运动的改进水平集算法[J]. CIESC Journal.

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