While holding <Ctrl>, click on both the end columns (M1
and M4).
On the
Member ribbon tab, select the
Section tool in the
Assign properties group.
The
Assign Section dialog opens.
Define the rectangular column section:
Leave the Source selection as Catalog.
Select
Prismatic in the
Type drop-down list.
Leave the
Source selection as
Catalog.
Select
Solid Rectangle in the
Shape drop-down list.
Select
RECT in the
Template drop-down list.
Type
300 mm in the
YD
field and
275 mm in the
ZD field.
Type
RECT-COL in the
Name field.
Click
OK.
Repeat steps 1-3 except to define a 350mm (depth, YD) by 275 mm
(width, ZD) rectangular prismatic section named
RECT-BEAM to the beam members (M2 and M5).
Repeat steps 1-3 again except to define a 350mm diameter (YD)
solid circular prismatic section named
CIRC-COL to the middle column (M3).
Rotate the right column by 90 deg (Beta angle):
Select the right column (M4).
On the
Member Tools ribbon tab, select the
Rotate tool in the
Edit group and then select
Rotate 90° from the list.
The column is rotated about its local 1
axis by 90°.
On the
View ribbon tab, select the
Local Axes tool in the
Model group.
You can confirm that the local z axis of M4 is
now rotate 90° away from the global Z axis.