## Nonlinear programming techniques for operative planning in large drinking water networks (2005)

Citations: | 5 - 2 self |

### BibTeX

@MISC{Burgschweiger05nonlinearprogramming,

author = {Jens Burgschweiger and Bernd Gnädig and Marc C. Steinbach},

title = {Nonlinear programming techniques for operative planning in large drinking water networks},

year = {2005}

}

### OpenURL

### Abstract

Mathematical decision support for operative planning in water supply systems is highly desirable but leads to very difficult optimization problems. We propose a nonlinear programming approach that yields practically satisfactory operating schedules in acceptable computing time even for large networks. Based on a carefully designed model supporting gradient-based optimization algorithms, this approach employs a special initialization strategy for convergence acceleration, special minimum up and down time constraints together with pump aggregation to handle switching decisions, and several network reduction techniques for further speed-up. Results for selected application scenarios at Berliner Wasserbetriebe demonstrate the success of the approach.