Pressure-driven analysis of water distribution networks (WDNs) can realistically reproduce the actual behavior of the hydraulic system, especially with reference to leakages, which are not under human control, and, sometimes to demands in pressure-deficient conditions. Classical WDN models represent the demand and leakage outflows in terms of either prior fixed nodal discharges, in classical demand-driven analysis, or dependent on actual nodal pressures, in pressure-driven analysis. This work presents a WDN pressure-driven algorithm that allows accounting for actual leakage and demand patterns along pipes or, as a complementary feature, for network topological simplification. It is on the basis of the enhanced global gradient algorithm (EGGA) and has been introduced and discussed in comparison to classical pressure-driven GGA. Three test networks have been used to study the convergence issue of the newly proposed algorithm, and the largest network has been used to discuss its computational efficiency. DOI: 10.1061/(ASCE)WR.1943-5452.0000140. (C) 2011 American Society of Civil Engineers.

Water Distribution Network Pressure-Driven Analysis Using the Enhanced Global Gradient Algorithm (EGGA) / Giustolisi, Orazio; Laucelli, Daniele Biagio. - In: JOURNAL OF WATER RESOURCES PLANNING AND MANAGEMENT. - ISSN 0733-9496. - 137:6(2011), pp. 498-510. [10.1061/(ASCE)WR.1943-5452.0000140]

Water Distribution Network Pressure-Driven Analysis Using the Enhanced Global Gradient Algorithm (EGGA)

GIUSTOLISI, Orazio;LAUCELLI, Daniele Biagio
2011-01-01

Abstract

Pressure-driven analysis of water distribution networks (WDNs) can realistically reproduce the actual behavior of the hydraulic system, especially with reference to leakages, which are not under human control, and, sometimes to demands in pressure-deficient conditions. Classical WDN models represent the demand and leakage outflows in terms of either prior fixed nodal discharges, in classical demand-driven analysis, or dependent on actual nodal pressures, in pressure-driven analysis. This work presents a WDN pressure-driven algorithm that allows accounting for actual leakage and demand patterns along pipes or, as a complementary feature, for network topological simplification. It is on the basis of the enhanced global gradient algorithm (EGGA) and has been introduced and discussed in comparison to classical pressure-driven GGA. Three test networks have been used to study the convergence issue of the newly proposed algorithm, and the largest network has been used to discuss its computational efficiency. DOI: 10.1061/(ASCE)WR.1943-5452.0000140. (C) 2011 American Society of Civil Engineers.
2011
Water Distribution Network Pressure-Driven Analysis Using the Enhanced Global Gradient Algorithm (EGGA) / Giustolisi, Orazio; Laucelli, Daniele Biagio. - In: JOURNAL OF WATER RESOURCES PLANNING AND MANAGEMENT. - ISSN 0733-9496. - 137:6(2011), pp. 498-510. [10.1061/(ASCE)WR.1943-5452.0000140]
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11589/2006
Citazioni
  • Scopus 45
  • ???jsp.display-item.citation.isi??? 39
social impact