Cumberland River Dambreak GUI
Tennessee
FTN developed a Windows-based Graphical User Interface (GUI) computer program using Visual Basic to perform dambreak analyses for dams within the Cumberland River basin. The purpose of the GUI was to assist the Nashville District Corps of Engineers in emergency response planning in the event of one or more dam failures in the Cumberland River basin. The GUI provides a user-friendly, interactive interface to a complex unsteady-flow model of the Cumberland River basin, allowing the user to enter model parameters without having to edit the model input file directly. This simplifies and shortens the laborious task of model data entry. The GUI also provides a graphical display of the model results, allowing for a quicker, more meaningful analysis of the results.The GUI interfaces with a UNET unsteady-flow model of the Cumberland River basin. The GUI allows the user to select a dam to fail, then specify pertinent model parameters such as the mode of failure (piping, overtopping, or monolith failure), the breach geometry, and time of breach development. Some of these parameters may be entered numerically via dialog boxes or graphically by pointing and clicking on an image of the dam. The user also specifies other UNET job control parameters, such as the time window for the hydrodynamic simulation, the computational time step, and initial conditions. Once the model parameters have been entered, the user can execute the UNET model from within the GUI. Hydrographs at user-selected locations in the Cumberland River basin can be plotted. The GUI also interfaces with an ArcView GIS application that plots the inundated area as a result of the dam failure(s).
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