1 Introduction
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4. RMC (Right Mouse Click) on the Bounding Polygons blank to open a pop-up menu. In the pop-up menu, select Add Files to browse the polygon file. The land-boundary of the lake will be loaded here.
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The polygon file for this model is "Outline.p2d" and can be found in Data/Bathymetry folder of the Demonstration Models provided above. |
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Figure 3. Add polygon file
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3 Assigning the Initial Conditions
This section will guide you on how to assign the initial conditions, such as the bathymetry, water level, and bottom roughness.
Anchor Figure 6 Figure 6
Figure 6. Assigning initial conditions.
3.1 Assigning the Initial Bathymetry
1. Select the Initial Conditions tab and right mouse click (RMC) on the Bathymetry sub-tab. A new Bathymetry form will appear. In that form, click on Assign to define bathymetric value.
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Figure 7. Assigning bathymetry conditions.
2. The area the user wants to assign the bathymetry data to is set by a poly file. In this case, choose All grid cells
3. The data for bathymetry values are assigned by “Bathymetry.dat” file in Bathymetry folder . This bathymetry file is simply an xyz format.
4. Choose Scatter (XYZ) data and then Add file to browse for “Bathymetry.dat”.
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Figure 8. Assigning bathymetry.
5. After adding the data file, click on the Apply Defined Conditions button to make your changes take effect before selecting the OK button.
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Figure 9. 2DH View of bottom elevation after assigning bathymetry.
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3. Enter the Time of Start, Number of Reference Periods, Duration of Reference Periods and Time Step as Figure 24. These values are explained in the Table 1.
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Figure 24. Model run time.
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