| 1. | Actually , n - s equation has three unknown functions u , v , p and three equations , now prandtl boundary layer equation has two unknown functions w , vand two equations only , and viscosity terms has partly reduced
原来有三个未知函u ， v ， p及三个方程，现在只有两个未知函数u ， v及两个方程，且粘性项也少了一些，这些都是简化的地方。 |
