摘要
本文建立了基于自由型曲面的曲面网格生成的数学模型，生成了曲面网格，把它作为三维Ｄｉｒｉｃｈｌｅｔ问题的边界条件，求解三维Ｐｏｉｓｓｏｎ 方程，获得了满足数值模拟要求的三维贴体网格。采用上述方法，完成了基于自由型曲面的某直升机空调座舱三维贴体网格的生成，结果令人满意。
A technique is presented for constructing a boundary conforming grid on an arbitrarily curved surface. Then as a boundary values , the Poisson's equations can be solved to obtain a 3 D body fitted grid for CFD. A primary feature of the technique is that the grid on an arbitrarily curved surface is easy to be generated and adjusted forwardly, and remains continuous and smooth . Sample results are given for an arbitrarily curved surface and an air conditioned cockpit of a helicopter/fighter aircraft.
出处
《空气动力学学报》
CSCD
北大核心
1999年第4期444-448,共5页
Acta Aerodynamica Sinica
关键词
自由型曲面
网格生成
曲面网格
贴体网格
航空器
arbitrarily curved surface
grid generation
grid on curved surface
body fitted grid
