Battle of the Water Networks II

Angela Marchi, Elad Salomons, Avi Ostfeld, Zoran Kapelan, Angus R. Simpson, Aaron C. Zecchin, Holger R. Maier, Zheng Yi Wu, Samir M. Elsayed, Yuan Song, Tom Walski, Christopher Stokes, Wenyan Wu, Graeme C. Dandy, Stefano Alvisi, Enrico Creaco, Marco Franchini, Juan Saldarriaga, Diego Páez, David HernándezJessica Bohorquez, Russell Bent, Carleton Coffrin, David Judi, Tim McPherson, Pascal van Hentenryck, José Pedro Matos, Antonio Jorge Monteiro, Natércia Matias, Do Guen Yoo, Ho Min Lee, Joong Hoon Kim, Pedro L. Iglesias-Rey, Francisco J. Martínez-Solano, Daniel Mora-Meliá, José V. Ribelles-Aguilar, Michele Guidolin, Guangtao Fu, Patrick Reed, Qi Wang, Haixing Liu, Kent McClymont, Matthew Johns, Edward Keedwell, Venu Kandiah, Micah Nathanael Jasper, Kristen Drake, Ehsan Shafiee, Mehdy Amirkhanzadeh Barandouzi, Andrew David Berglund, Downey Brill, Gnanamanikam Mahinthakumar, Ranji Ranjithan, Emily Michelle Zechman, Mark S. Morley, Carla Tricarico, Giovanni de Marinis, Bryan A. Tolson, Ayman Khedr, Masoud Asadzadeh

Research output: Contribution to journalArticlepeer-review

116 Citations (Scopus)


The Battle of the Water Networks II (BWN-II) is the latest of a series of competitions related to the design and operation of water distribution systems (WDSs) undertaken within the Water Distribution Systems Analysis (WDSA) Symposium series. The BWN-II problem specification involved a broadly defined design and operation problem for an existing network that has to be upgraded for increased future demands, and the addition of a new development area. The design decisions involved addition of new and parallel pipes, storage, operational controls for pumps and valves, and sizing of backup power supply. Design criteria involved hydraulic, water quality, reliability, and environmental performance measures. Fourteen teams participated in the Battle and presented their results at the 14th Water Distribution Systems Analysis conference in Adelaide, Australia, September 2012. This paper summarizes the approaches used by the participants and the results they obtained. Given the complexity of the BWN-II problem and the innovative methods required to deal with the multiobjective, high dimensional and computationally demanding nature of the problem, this paper represents a snap-shot of state of the art methods for the design and operation of water distribution systems. A general finding of this paper is that there is benefit in using a combination of heuristic engineering experience and sophisticated optimization algorithms when tackling complex real-world water distribution system design problems.

Original languageEnglish
Article number04014009
JournalJournal of Water Resources Planning and Management
Issue number7
Publication statusPublished - 2014 Jul 1

Bibliographical note

Publisher Copyright:
© 2014 American Society of Civil Engineers.


  • Design
  • Optimization
  • Pump operation
  • Water distribution systems

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Geography, Planning and Development
  • Water Science and Technology
  • Management, Monitoring, Policy and Law


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