摘要
本文发展了一种基于PISO算法的非结构网格VOF算法。该方法采用有限容积法离散动量方程,速度与压力的耦合采用PISO算法求解,通过动量插值方法来消除不合理的压力场。采用基于非结构化网格的PLIC-VOF算法实现两相流体界面重构,考虑了不同相间的表面张力。使用本文算法模拟了椭圆液体在自身表面张力作用下的变形过程,验证了该方法的可行性。
A volume of fluid （VOF） interface reconstruction technology based on PISO algorithm was developed on unstructured collocated grid. The finite volume method on collocated grid was used for the discretization of momentum equation, the PISO algorithm was adopted for the coupling solution of velocity and pressure, and the velocity based on momentum interpolation method was applied to eliminate the unreasonable pressure field. The PLIC-VOF method on unstructured grid was used for the interface reconstruction, considering the interphase surface tension. With this algorithm, the deformation process of the elliptical droplet under the surface tension was simulated to test the feasibility of this algorithm.
出处
《工程热物理学报》
EI
CAS
CSCD
北大核心
2013年第3期476-479,共4页
Journal of Engineering Thermophysics
基金
国家自然科学基金项目(No.51176152)
中央高校基本科研业务费专项基金(No.xjj20100214
No.xjj2010209)
