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STAAD Commands and Input Instructions
Section 5
5-386
5.44 Printing the Force Envelope
Purpose
This command is used to calculate and print force/moment
envelopes for frame members. This command is not available for
finite elements.
General format:
⎧FORCE ⎫
PRI
NT ⎨ ⎬ ENVELOPE (NSECTION i) list-sp.
⎩
MAXFORCE
⎭
⎧LIST memb-list ⎫
list-spec =
⎨ ⎬
⎩
(ALL)
⎭
Description
Where i is the number of equally spaced sections to be considered
in printing maximum and minimum force envelopes (where i is in
the range 2 through 96). If the NSECTION i command is omitted,
i will default to 12. MAXFORCE command produces
maximum/minimum force values only of all sections, whereas the
FORCE command prints maximum/minimum force values at every
section as well as the max/min force values of all sections. The
force components include FY, MZ, FZ, and MY. The SECTION
command (as described in section 5.40) does not define the number
of sections for force envelopes. For the sign convention of force
values, refer to Section 2.19.
See Section
1.19.5