Transition between free-surface and pressurized flows is a crucial phenomenon in many
hydraulic systems. During simulation of such phenomenon, severe numerical oscillations …

In recent years, China has been building several inter-basin water conveyance projects
across mountains and deep valleys, leading to the extensive use of long tunnels and …

Piping systems (eg, storm sewers) that transition between free-surface flow and surcharged
flow are challenging to model in one-dimensional (1D) networks as the continuity equation …

With the promotion of China's “National Water Networks” strategy, extra-long pressurized
water diversion tunnels are increasingly implemented in trans-regional and trans-basin …

准确合理地模拟具有自由表面的渠/管道明流和具有压力的管道满流运动过程, 是设计,
评价和管理灌区输配水系统的基础. 为此, 该文基于Preissmann 窄缝法的概念, 采用Saint …

We propose a second-order finite difference scheme to study the flow of a viscous fluid in a
stationary horizontal channel with porous walls. Following conservation principles, we …

The accurate computer simulation of pipe flow is of great importance in the design of urban
drainage. The Preissmann box scheme is usually used to model a wide range of subcritical …

The most commonly used hydraulic network models used in the drinking water community
exclusively consider fully filled pipes. However, water flow numerical simulation in urban …

In the irrigation water distribution system including pipe and cannel as well as control
valve/gate, water flow presents both free surface and pressurized flows. Saint-Venant …

For a water diversion hydropower system with a flat ceiling tail tunnel with high elevation,
during transient states with relatively low tail water levels, free-surface-pressurized flow …