大家好,请教一下,我做圆柱绕流。我看到一位老师这方面的文章里,重力加速度项没有在竖向动量方程中存在。他解释说:
The gravity term in the vertical momentum equation can be absorbed
into the pressure gradient term by redefine the pressure. It is a
standard treatment. This would not affect you force calculations.
我不太理解,大虾们能否给我再详细解释一下?谢谢