In order to create and apply torsional uniformly distributed loads (UDLs) or variable deck loads (VDLs) that only apply to a selected part of the member, see the following instructions.

1. In the Loading list, select an appropriate load case.
2. On the Load tab, click Torsion UDL or Torsion VDL.
3. In the Properties window, adjust the load details according to your needs.
4. Hover the mouse pointer over the member to which you want to apply the load.
5. Click the start point of the load along the member, or press F2 to type the exact position.
6. Click the end point of the load along the member, or press F2 to type the exact position.