WMS:Conceptual Model

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A conceptual model is a map-based representation of your hydrologic or hydraulic model using map module objects (feature objects) such as points, nodes, arcs, and polygons. To define and compute lumped-parameter model data, WMS normally converts a map module representation of your model to a schematic or tree-based representation of your model in either the hydrologic modeling or river module. If you are creating a conceptual model of hydrologic data (basins, streams, and outlet points), the schematic representation is created automatically. If you are creating a conceptual model of hydraulic data, the schematic representation is created by selecting the Map→1D Schematic menu item available in the special menu associated with the hydraulic modeling coverage (This command is available in 1D Hydraulic Schematic and Storm Drain coverages). After selecting the Map→1D Schematic command, cross sections, reaches, links, and/or nodes are displayed as symbols in the river module and their properties can be edited in that module.

As an example, a SWMM hydraulic model with arcs representing links and nodes in a SWMM model and the symbols corresponding to links and nodes in the hydraulic schematic is shown below:

SWMMHydraulicSchematicFromStormDrainConceptualModel.jpg