To make (or cancel) a group for defining variable cross-section:
- Select the relevant bars.
- Select the group ‘Sections’.
Click on
to group (or on 
to ungroup).
The grouped bars are consistently drawn in a continuous way while the ungrouped bars are drawn discontinuously (at their ends).
- Select relevant bars and click
on to define a line load.
Enter the desired values and check the option ‘Rescale physical elements’.
- Result
| Result with physical groups | Result without physical groups |
|---|---|
 |  |
