The method without "surge" has high calculation velocity and monotonic convergence.
算法计算速度快，计算单调收敛，不存在振荡现象。
2
By using the surge pressure calculating method, in this paper the formulas have been derived which are used to calculate the maximum allowable velocity in pulling and running pipe in borehole.
本文根据波动压力计算方法推导出了最大许用起钻速度和下钻速度的计算公式。
3
The flow height and velocity of surge-type turbidity current is proportional to the motion distance and under slope.