zero equation model造句

in this work, the space is discretizied using tetrahedral meshing grid, and the flow is described by indoor zero equation model, and simple algorithm is applied
本文采用四面体网格对空间离散，紊流模型采用室内零方程模型，选用smple算法。
It's difficult to find zero equation model in a sentence. 用zero equation model造句挺难的