摘要
在非正交坐标系下.利用梯形块对局部区域进行加密.将一种局域精细网格方法进一步扩展应用,并建立了与之相适应的全隐式差分方程.
Trapezord block was used to refine local region under no-orthogonal coordinate system. The local refinement grids method was extended. Some fully implicit difference equations suitable to it were given in this paper.
出处
《石油大学学报(自然科学版)》
CSCD
1993年第5期123-128,共6页
Journal of the University of Petroleum,China(Edition of Natural Science)
关键词
精细网格
油藏模拟
差分方程
Refinement grids: Fully implicit difference: Transmissibility: Reservoir simulation