Model for Optimal-Risk Based Water Distribution Network Design

by Yeou-Koung Tung, Univ of Wyoming, Laramie, WY, USA,

Document Type: Proceeding Paper

Part of: Water Forum '86: World Water Issues in Evolution


Various models using a variety of optimization techniques were developed for determining pipe diameters, network layout, pump capacities, and other design parameters. The objective function commonly adopted in the optimization models is the cost minimization. Many elements, such as water demand, pressure head requirement, and hydraulic performance of pipes, etc. in a network system are random in nature. It would be desirable to incorporate those random characteristics, if possible, in an optimal design of water distribution networks. This paper presents an attempt to formulate a probablistic optimization model in the form of chance-constrained formulation by only considering some of the random elements that can easily be incorporated.

Subject Headings: Water pressure | Hydraulic models | Hydrologic models | Hydraulic design | Optimization models | Water pipelines | Water supply systems | Probability

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