Abstract: Breaks through the limit ofmultigrid method applying to multiply connected regions Multigrid and zonal method are combined and zonal multigrid method is formed Application to complex geometries and complex multiply connected regions show that zonal multigrid method can improve not only convergence, but also accuracy

Key words: Aircraft engine;Inlet;Grids method;Numerical calculation

摘要： 突破多重网格方法在多连通域中应用的局限性,将分区法与多重网格法结合,形成分区多重网格法,应用在复杂几何域及复杂多连通域中,结果表明,它不仅能提高精度,而且能加快收敛。

关键词: 航空发动机;进气道;格网法;数值计算