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Drinking Water Engineering and Science An interactive open-access journal
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Volume 10, issue 2
Drink. Water Eng. Sci., 10, 93–98, 2017
https://doi.org/10.5194/dwes-10-93-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Computing and Control for the Water Industry, CCWI 2016

Drink. Water Eng. Sci., 10, 93–98, 2017
https://doi.org/10.5194/dwes-10-93-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 10 Oct 2017

Research article | 10 Oct 2017

Limitations of demand- and pressure-driven modeling for large deficient networks

Mathias Braun et al.

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Cited articles

Abraham, E. and Stoianov, I.: Sparse null space algorithms for hydraulic analysis of large-scale water supply networks, J. Hydraul. Eng., 142, 04015058, https://doi.org/10.1061/(ASCE)HY.1943-7900.0001089, 2015.
Alvarruiz, F., Martínez-Alzamora, F., and Vidal, A.: Improving the efficiency of the loop method for the simulation of water distribution systems, J. Water Res. Pl., 141, 04015019, https://doi.org/10.1061/(ASCE)WR.1943-5452.0000539, 2015.
Bhave, P. R.: Node flow analysis distribution systems, Transportation Eng.-J. ASCE, 107, 457–467, 1981.
Birkhoff, G.: A variational principle for nonlinear networks, Quart. Appl. Math., 21, 160–162, 1963.
Carpentier, P., Cohen, G., and Hamam, Y.: Water network equilibrium, variational formulation and comparison of numerical algorithms, EURO VII, 16–20 June 1985, Bologna, Italy, 1985.
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Short summary
The article introduces a stable formulation of the model for water distribution systems that guarantees the existence of a unique solution. This is done regarding two modeling paradigms. First for models with customer demand as a fixed boundary condition and second for models that add a boundary condition on the minimum network pressure. The following discussion concludes that pressure-driven models are superior in modeling deficient networks, but still have to be improved.
The article introduces a stable formulation of the model for water distribution systems that...
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