Abstract
A numerical method for multiphase flow computations based on a finite-difference formulation with a fixed grid is described. The method combines ideas from front tracking and the Ghost Fluid Method, with a numerical technique for velocity extrapolation near the interface. It is shown that the method is able to solve three-dimensional free-surface flow problems with an incompressible liquid and a compressible gas maintaining the interface sharp. Numerical results are compared with numerical solutions of the Rayleigh¿Plesset equation for the free oscillation of a gas bubble, and independent front-tracking results for buoyant bubbles. Finally, the effects of an imposed sinusoidal liquid flow on a gas bubble are investigated.
| Original language | Undefined |
|---|---|
| Pages (from-to) | 126-144 |
| Number of pages | 19 |
| Journal | Journal of computational physics |
| Volume | 196 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 2004 |
Keywords
- Two phase flow
- Numerical method
- IR-47809
- METIS-218702
- Computational Fluid Dynamics
- Front tracking
- Bubble