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Evolutionary Testing of Hydraulic Simulator Functionality

Author

Listed:
  • Nikolai Gorev
  • Inna Kodzhespirova
  • Yuriy Kovalenko
  • Rogelio Álvarez
  • Eugenio Prokhorov
  • Alfredo Ramos

Abstract

A method for automatic functional testing of hydraulic simulators is proposed. The method is based on using genetic algorithms to search for network parameter values at which the simulator under test computes solutions that do not satisfy the governing network equations. The search is made by maximizing the residual of the governing equations. The application of the method to the latest version of the EPANET hydraulic simulator demonstrates its efficiency in detecting incorrect results. The results of quantitative assessment of the functional adequacy of the EPANET solver by random testing are presented. The paper provides examples of hydraulic networks and of parameter value combinations for which incorrect results occur. An example of the use of automatic functional testing together with automatic convergence testing in a comprehensive study of the flow control valve model of the EPANET solver is given. Copyright Springer Science+Business Media B.V. 2011

Suggested Citation

  • Nikolai Gorev & Inna Kodzhespirova & Yuriy Kovalenko & Rogelio Álvarez & Eugenio Prokhorov & Alfredo Ramos, 2011. "Evolutionary Testing of Hydraulic Simulator Functionality," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 25(8), pages 1935-1947, June.
    • Handle: RePEc:spr:waterr:v:25:y:2011:i:8:p:1935-1947
    DOI: 10.1007/s11269-011-9782-5
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    References listed on IDEAS

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    1. Sara Nazif & Mohammad Karamouz & Massoud Tabesh & Ali Moridi, 2010. "Pressure Management Model for Urban Water Distribution Networks," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 24(3), pages 437-458, February.
    2. J. Reca & J. Martínez & C. Gil & R. Baños, 2008. "Application of Several Meta-Heuristic Techniques to the Optimization of Real Looped Water Distribution Networks," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 22(10), pages 1367-1379, October.
    3. Frank Tsai & Vineet Katiyar & Doug Toy & Robert Goff, 2009. "Conjunctive Management of Large-Scale Pressurized Water Distribution and Groundwater Systems in Semi-Arid Area with Parallel Genetic Algorithm," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 23(8), pages 1497-1517, June.
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    Cited by:

    1. Zeinab Takbiri & Abbas Afshar, 2012. "Multi-Objective Optimization of Fusegates System under Hydrologic Uncertainties," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 26(8), pages 2323-2345, June.
    2. Yu. Kovalenko & N. Gorev & I. Kodzhespirova & E. Prokhorov & G. Trapaga, 2014. "Convergence of a Hydraulic Solver with Pressure-Dependent Demands," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 28(4), pages 1013-1031, March.
    3. Jose-Luis Molina & Raziyeh Farmani & John Bromley, 2011. "Aquifers Management through Evolutionary Bayesian Networks: The Altiplano Case Study (SE Spain)," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 25(14), pages 3883-3909, November.

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