A Consistent Projection Method for Multi-Fluid Flows with Continuous Surface Force on a Collocated Mesh
(0) A comparison study of algorithm on a rectangular collocated mesh is conducted for variable density Navier-Stokes equations with continuous surface forces. The algorithms include the original projection method (AI-TI) with the surface force calculated only in the predictor steps, the named balanced-force projection method (AII-TIV) with the surface force and the pressure gradient calculated together, and a consistent projection method (AIIITVII) developed in this paper. Detailed comparisons are also conducted among the techniques for calculation of the pressure gradient and surface force at a cell center. A consistent projection method updates the velocity at a cell center in a very difference way with the balanced-force projection formula. A conservative interpolation is used to update the velocity a cell center, which is further used to obtain the sum of the pressure gradient and the surface force.
Multifluid Flow Consistent Projection Method Continuous Surface Force
M.J.Ni
Graduate University of Chinese Academy of Sciences, Beijing 100049, China
国际会议
西安
英文
829-835
2009-07-11（万方平台首次上网日期，不代表论文的发表时间）