A nine-point rezone strategy is presented,which improves geometric quality of computational grids and keeps the rezoned grids close to Lagrangian meshes.

• 提出九点网格重构方法,不仅生成的网格正交性和光滑性好,而且重构后的网格与物理问题解的空间分布相适应,实现了重构后的网格品质好。