RightThe Source Water User node represents a point in the node-link network where demand is modelled. It is responsible for generating orders, managing water extractions, and providing drainage return flows. For general information on creating and configuring Water User nodes, refer to the Source User Guide.
The Water User node contains several different types of demand models for representing different types of demand, such as irrigation water use. When the Urban Developer Plugin is installed, and additional demand model is available called the Urban Behavioural Demand. A Water User node using with the Urban Behavioural Demand model is referred to as an Urban Water User node.
Configuring an Urban Water User Node
Adding the Urban Behavioural Demand Model
In the Water User node Feature Editor, right-click Demand Models and add an select the Urban Behavioural Demand Model model.
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Adding Configurations
Right Click the Urban Behavioural Demand Model model and select Add Configuration (note: multiple configurations can call a single urban template).
Configure the number of dwellings this water user the Urban Water User is to represent, the urban scenario Urban Scenario and the model run from which to access the results from the full number of permutations urban combination database to use for calculating household demands. If the urban template Urban Combination simulation has not been pre-run appropriately a warning will appear.
Appliance & Occupancy Distributions
The distributions , including time-based distributions of each use type can be specified of occupancy and appliances for each configuration under the demand model. This is similar to the Sampled Appliances & Occupancy and Appliance configuration in the urban scenario Urban Scenario type.
The Urban Demand Model will take the distributed average demand generated from the supplied Urban Scenario urban combination database. This is best explained with an example:
If there are three star-star ratings for showers that are included in our Urban Scenario our urban combination database run, the demands from for each are imported into the Schematic Source Scenario and are available under the urban demand model configuration. The urban demand in the Urban Behavioural Demand model configurations. The Urban Behavioural Demand model is configured to represent four 4 dwellings and the distributions of shower rating types selected for the Urban demand model configuration are: one star: 50%, two stars: 25%, and three-star: 25%. The urban demand The Urban Behavioural Demand model would call the demand results for one start star showers twice (for two dwellings), two stars once and three star once, summing all of them together to create a demand for all four houses.
