调水工程非恒定流边界条件的等效渠道处理新方法  

Equivalent Channel Transformation of Boundary Conditions of Unsteady Flows in Water Diversion Projects

作　　者：杨开林[1] 

机构地区：[1]中国水利水电科学研究院,北京100038

出　　处：《南水北调与水利科技》2011年第1期8-11,共4页South-to-North Water Transfers and Water Science & Technology

基　　金："十一五"国家科技支撑计划资助项目(2006BAB04A12)

摘　　要：调水工程非恒定流计算分析的复杂性与边界条件的处理有很大关系。通过研究内节点边界条件的等效渠道处理新方法,除了分叉节点外,对于闸门、多功能自动调节堰井、调节池、泵站等节点,采用一段渠道数学等效的代替,用统一的标准数学模型描述,使渠网非恒定流计算问题规格化。The complexity of simulation of the unsteady flows in water diversion projects depends on how to describe their boundary conditions. This paper presented a new method for dealing with the boundary conditions of nodes. Using this new method, the gate, multi-function automatic adjustment weir-well and regulation pond as well as pumping station etc. can be replaced by an equivalent channel in mathematics except bifurcating nodes. As a result,the boundary conditions of the nodes can be described using a uniform standard mathematical model to make the computation of unsteadv flow to normalize.

关 键 词：调水工程 非恒定流 边界条件 等效渠道 

分 类 号：TV68[水利工程—水利水电工程] TV133.2