{"id":{"repo_id":"vt","oai_identifier":"oai:vtechworks.lib.vt.edu:10919/45025"},"canonical_url":"https://search.dev.ndltd.org/etd/vt/oai:vtechworks.lib.vt.edu:10919/45025","repository":{"repo_id":"vt","name":"Virginia Tech","base_url":"https://vtechworks.lib.vt.edu/oai/request"},"display":{"title":"Global optimization of water distribution systems","abstract":"A holistic procedure GLOBAL for the global optimization of water distribution systems is presented. The procedure identifies an optimal tree layout for the network and augments it with loop forming links to assure reliability. Thus, the chosen optimal layout in judiciously subjected to various flow configurations to find an optimal flow division among pipes for the least cost diameter selection. Because the problem is nonconvex, two global search schemes, MULITIST ART and ANNEALING, both within the framework of procedure GLOBAL, are employed to permit a local optimum seeking method to migrate among various local minima. 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