Parallelization algorithms on fine-grid segments in three-phase fluid flow problems

The numerical parallelization algorithm earlier proposed by the authors for solving two-phase fluid flow problems is applied to solve a three-dimensional three-phase fluid flow problem on a coarse grid with fine-grid segments. This algorithm shows its efficiency with an increasing number of fine-grid segments. The numerical approximation of this problem is based on the control-volume method. The work was performed in the framework of Program N 14 for basic research established by the Presidium of the Russian Academy of Science under the title “Fundamental problems of computer science and information technologies”.