Hole
Use the Hole subnode to define internal holes for a beam cross section. One Hole feature must be added for each internal hole in the parent Homogeneous Cross Section.
Beam Properties
If you use the Beam Cross Section interface coupled to a Pipe Mechanics interface, the two interfaces have to agree on the type of cross section. Since circular pipes are very common in piping systems, they are to some extent treated as a special case in the Pipe Mechanics interface.
Select the Pipe shapeCircular, or Noncircular. This setting is ignored for all cases, except in a coupled analysis with the Pipe Mechanics interface.
Fluid Loads
The fluid loads are used for computing the stress from internal pressure. These inputs have a purpose analogous to the entries in the Section Forces and Twist sections in the Homogeneous Cross Section node.
Enter the Internal pressure, pi, and the External pressure, po.
If this interface is referenced in a Beam-Beam Cross Section Coupling, the inputs in this section are not accessible, since the cross section forces are transfered from a Pipe Mechanics interface.
Boundary Selection
You should select all boundaries around a certain hole from the Selection list (Manual). The All boundaries option is not relevant.
Location in User Interface
Context Menus
Ribbon
Physics tab with Homogeneous Cross Section selected