According to the discrete material balance equation ofcontrol-volume,a new numerical scheme based on PEBI grid and CVFE grid is provided,where absolute permeability is in tensor form.

• 根据所建立的单个控制体离散形式的物质平衡方程，基于PEBI和CVFE网格，采用任意形式的渗透率张量，建立了相应的数值算法。