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In this chapter the hydraulic modeling of a waterworks and the drinking water distribution network is considered. At first, network elements are introduced, which allow the mapping of the real water supply network to the mathematical model. For each network element a mathematical description is given and coupling conditions are defined. Moreover, each element can be provided with an elctrical power requirement, in order to compute the overall power demand for the whole network.
For the resulting mathematical model two simulators are introduced. TWaveSim can only be used for simulation, while Anaconda is also suitable for continuous optimization. On the other hand, TWaveSim is more accurate for the simulation purpose and must be applied first, to compute initial values that are required for Anaconda.
Finally, a test example is constructed and simulated. This example includes most of the introduced network elements and is used to show all mathematical equations in detail and to compare the two simulators.