HMM consists of two components : selection of a macroscopic solver on a macroscale grid, and estimating the missing macroscale data by solving locally the fine scale problem.

• HMM包括两部分的内容:一是在宏观尺度网格上选择一个宏观算法;二是通过解局部的细网格问题来估算未知的宏观尺度数据。所以这一方法的关键:一是如何选择宏观算法;