This refers to an open channel that has a cross-section that is not a simple trapezoidal, rectangular or triangular shape. The cross-section of such channels must be defined as a series of x-y coordinates, as shown below.
Closed conduits with unusual shapes can be modelled as irregular open channels defined by x-y coordinates and with a roof covering a small gap at the top.
Following a run, flowrates through a channel and water levels at its ends can be viewed in the Main Window. Options for displaying more detailed results are given in the Pop-Up (right mouse button) menu View Cross Sections provides a display showing the channel cross section and the peak water levels at each cross section entered. View maximum water level profile gives a longitudinal display of the profile.
In this window you can enter and review data for open channels that: are prismatic but have a shape other than trapezoidal, triangular or rectangular, or do not have a regular cross-sectional shape, such as sections that occur with a natural stream ...
This tool, , enables you to enter an irregular channel in the Main Window. When you click on this tool, the arrow cursor changes to a pencil. Click your left mouse button when the point of the pencil is located at the upstream end of the channel. The ...
This refers to an open channel that has the same cross-section and bed slope throughout. This may have a rectangular, trapezoidal, semi-circular or other cross-sectional shape. Note that rectangular and triangular shapes are special cases of the ...
This box allows you to specify data for multiple channels or pipes connecting between the same nodes or pits. This is a situation that may arise when systems are amplified. The dialog box simply requests or displays a multi-channel name (a default ...
The file for this example Bowen Channel + Stream Example - Lite & Full Unsteady.drn, is located in the folder C:\ProgramData\Drains among the Lite examples. If this folder is hidden, in File Explorer select the View tab and tick the Show Hidden Items ...