Chapter
Jul 8, 2013
Optimal Design of Water Distribution Networks Using Mock Open Tree Topology
Authors: J. Saldarriaga [email protected], D. Páez [email protected], P. Cuero, and N. Leön [email protected]Author Affiliations
Publication: World Environmental and Water Resources Congress 2013: Showcasing the Future
Abstract
This paper describes a new approach given to the Optimal Power Use Surface (OPUS) methodology, which consists of the decomposition of a water distribution system (WDS) into an open tree-like structure (a spanning tree). Once the sumps in the model are identified, integer linear programming (ILP) is used to accelerate the design process, calculating the diameter of every node in the tree. This is achieved by focusing on setting up efficient ways to dissipate energy and distribute flow. The tree structure is built starting from the water sources. Then, the rest of the tree is assembled adding adjacent pipe-node pairs, one at a time. The methodology is tested on three benchmark problems (Hanoi, Balerma, and Taichung). When compared with results obtained through other methodologies, this new approach stands out for allowing designs with construction costs very similar to those obtained in previous works but requiring a number of iterations several orders of magnitude below. The methodology proves that following hydraulic principles and applying ILP is an excellent choice to obtain low-cost WDS designs, with very little effort, and provides an alternative path to the tiresome search process undertaken by metaheuristics.
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© 2013 American Society of Civil Engineers.
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Published online: Jul 8, 2013
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Professor, Civil and Environmental Engineering Department - Director, Water Distribution and Sewer Systems Research Center -CIACUA-, Universidad de los Andes, Bogotá, Colombia. E-mail: [email protected]
Researcher, Water Distribution and Sewer Systems Research Center -CIACUA-, Civil and Environmental Engineering Department, Universidad de los Andes, Bogotá, Colombia. E-mail: [email protected]
P. Cuero
Researcher, Water Distribution and Sewer Systems Research Center -CIACUA-, Civil and Environmental Engineering Department, Universidad de los Andes, Bogotá, Colombia
Researcher, Water Distribution and Sewer Systems Research Center -CIACUA-, Civil and Environmental Engineering Department, Universidad de los Andes, Bogotá, Colombia. E-mail: [email protected]
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