Fenster Kurzfristprognose/en

To open the short-term simulation/design storm window, click the icon in the function bar of the Talsim-NG main window. Alternatively, open the system administration by right-clicking on the scenario (menu item: Short-term simulation (model rain)) and then open the short-term forecast/design storm window via the context menu.

Then, use the short-term simulation/design storm window to manage, create and edit short-term forecasts.

To run the created short-term simulation, start it in the system administration via the context menu (Simulation → Start simulation).

The window consists of:

• Menu bar (at the top)
• Selection menu with already created short-term simulations (beneath the menu bar)
• View section (top left)
• Simulation section (middle left)
• Section for load definitions (lower right corner), separated into two tabs

• Inflow
• Precipitation

Simulation/Design Storm Menu

Creating a New Simulation/Design Storm

By selecting the menu item New a dialog window opens, in which the name or a short description for the new short-term simulation is entered.

Copying a Simulation/Design Storm

Selecting the menu item Copy, the dialog window opens and the name of the copy of a short-term simulation is entered. Confirming with OK, copies the simulation selected in the selection menu of short-term forecasts.

Saving a Simulation/Design Storm

By selecting the menu item Save, the short-term simulation is saved with the current settings. Alternatively, it can be saved using the Speichern button at the bottom left of the window.

Confirming a Simulation/Design Storm

Attention! This function is no longer supported! Leads to program crash!

Deleting a Simulation/Design Storm

Deletes the forecast selected in the selection menu.

Setting Precipitation Factors

Imports scaling factors for the model rainfall of every single catchment area from a file. The file must have the name N_Factor.txt and must be located in the same directory as the connected databases (dataBase, see also Directory Structure).

Using the Selection Menu

Use the selection menu to select a beforehand created simulation to process it further. Use the name button on the right side to change the name of the selected short-term simulation/design storm.

View Section

In the View section, there is a button Graph, with which flood waves or model rains can be displayed as a graph. Using the tab Precipitation, globally set model rains are displayed (i.e. before scaling with factors for catchment areas). Using the Inflow tab, a point source must first be selected in the point source section. Then, the flood wave which is assigned to the respective point source during the attribute definition is displayed.

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  Graph: Model Rain

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  Graph: Flood Wave

The graph window has the tabs Hydrograph and xxx. The tab Hydrograph shows the graph, while xxx gives out a list of the grid point values of the simulation.

Selecting the menu item Format, it is possible to alter the graphic (settings for grid, axes, and labels).

Simulation Section

The general simulation settings, such as the start of the simulation (format: DD.MM.YYYY hh:mm), time step [min], and time steps to be simulated [-] are entered in the simulation section.

Load Definition Section

The load definition of a short-term forecast can be entered as inflow or precipitation, depending on the system element, in the tabs of the same name. For single dischargers the load is defined as inflow, i.e. flood wave, for catchment areas as precipitation, i.e. model rain.

Inflow

The tab Inflow is divided into the two areas Setting (global) and Single Inducer.

In the area Settings the global settings are defined and the flood event set. From the selection menu the flood event is selected. This must be created before. Here the start-up time and the peak value can also be scaled globally for all inlets.

The settings for the individual single feeders are made in the Single Feeders section. The single introducer is marked in the list. Then the respective flood wave for the single introducer is selected from the selection menu. In the lower area, individual attributes of the flood wave can also be changed for the selected single discharger.

Precipitation