Stringer segments can be automatically created for an assembly. Note that the initial assembly only needs the relevant skin components defined.
How create stringer segments - automatic
Open the FEM viewer and select the desired assembly. See Creating Assemblies.
Tip: When creating an assembly that will be used for auto stringer segment creation, you only need to select the relevant skin components/elements. The stringer elements will be added to the assembly during stringer segment creation.
Click Assembly and select Auto Create Stringer Segments.
Click OK.
After the creation process is done, you should see a similar image to the one below. The squares represent the elements that are members of a stringer segment.
Tip: If you don't see any squares appear over the skin elements, select Refresh (F4).
(Optional) Toggle back and forth between "Color by Component" and "Component by FEM Property".
Here you can visualize the relationship between HyperSizer components and FEM properties.