v2 new feature - Channel
Two changes have been made to the Channel design command. Both of
these apply to the use of a complex cross-section
Once a complex cross-section has been defined by clicking on the
[OK] button it is possible to save the data in a file which is stored
by default in the current Output directory. You may navigate to
another folder if desired. The default file extension is *.XSEC.
Subsequently the file can be imported into the Channel command and can
be edited in the usual way by modifying the data displayed in the
When a check box labelled ‘Variable Roughness’ is selected an extra
row in the data table is displayed. Initially this is filled with the
default value of Manning ‘n’. You can edit the values in the usual way
to describe high values of roughness due to flood plane vegetation or
other roughness elements. The variable roughness feature is disabled
in Demonstration mode.