Rehabilitation and replacement of water distribution system components considering uncertainties

Joong Hoon Kim, L. W. Mays

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This paper presents the mathematical development of an integer - nonlinear programming chance - constrained optimization model for the minimum cost rehabilitation/replacement of water distribution system components. Particular attention is given to the handling of uncertainties in the roughness factors and the loading conditions including both the random demand and preassure head requirements. The advantages of the proposed model include the ability to: 1) handle the optimal timing of rehabilitation/replacement for water distribution system components; 2) link a mixed-integer linear program solver, a nonlinear program solver, and a hydraulic simulator into an optimization framework; 3) handle the uncertainties of some of the variables; 4) incorporate various kinds of cost functions; and 5) handle multiple loading conditions.

Original languageEnglish
Pages (from-to)277-294
Number of pages18
JournalStochastic Hydrology and Hydraulics
Volume4
Issue number4
DOIs
Publication statusPublished - 1990 Dec
Externally publishedYes

Fingerprint

Water Distribution Systems
Water distribution systems
Rehabilitation
Patient rehabilitation
Uncertainty
Replacement
replacement
Nonlinear Integer Programming
Costs and Cost Analysis
Water
Integer Program
Constrained optimization
Nonlinear programming
Constrained Optimization
Linear Program
Optimization Model
cost
Roughness
Hydraulics
Cost functions

Keywords

  • chance constraints
  • integer programming
  • nonlinear programming
  • optimization
  • rehabilation
  • Water distribution

ASJC Scopus subject areas

  • Statistics and Probability
  • Psychology(all)
  • Environmental Engineering
  • Environmental Chemistry
  • Environmental Science(all)
  • Civil and Structural Engineering

Cite this

Rehabilitation and replacement of water distribution system components considering uncertainties. / Kim, Joong Hoon; Mays, L. W.

In: Stochastic Hydrology and Hydraulics, Vol. 4, No. 4, 12.1990, p. 277-294.

Research output: Contribution to journalArticle

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