A finite element program using different shape functions for a spiral groove dry gas seal(S-DGS) with smooth surfaces was designed based on Reynolds equation for compressible gases.

• 基于二维稳态可压缩气体雷诺方程,采用不同形状函数,编写了计算光滑面螺旋槽干式气体端面密封(S-DGS)端面压力分布的有限元程序。