Performing the slenderness check

Values for display

When performing the slenderness check, the user may evaluate the following values:

Ly	System length for buckling around y axis
ky	Buckling ratio (used during code check) for buckling around y axis
ly	Buckling length for buckling around y axis ly = Ly * ky
Lam y	Slenderness around y axis $image\ebx_4227454.gif$ Iy : buckling length for buckling around y axis iy : radius of gyration around z axis
e0,y	Applied bow imperfection e0,y.
Lz	System length for buckling around z axis
kz	Buckling ratio (used during code check) for buckling around z axis
lz	Buckling length for buckling around z axis lz = Lz * kz
Lam z	Slenderness around z axis $image\ebx_740584930.gif$ Iz : buckling length for buckling around z axis iz : radius of gyration around z axis
e0,z	Applied bow imperfections e0,z.
lyz	Buckling length lyz.
l LTB	The lateral-torsional buckling length l LTB = kLTB * L LTB

Second order buckling ratio

Second order buckling ratio of the slenderness check can be obtained by means of:

linear calculation,
second order calculation.

The procedure

The procedure for performing the slenderness check

Open service Aluminium:
1. either using tree menu function Aluminium,
2. or using menu function Tree > Aluminium.
Select function Aluminium slenderness.
In the Property window select the values that should be displayed and adjust the other parameters as required.
The diagrams are displayed on the screen.

Note: More information about displaying of results can be found in chapter Results > Displaying the internal forces in the Reference manual for SCIA Engineer.