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Section 5
5-29
5.12 Member Incidences Specification
Purpose
This set of commands is used to specify MEMBERs by defining
connectivity between JOINTs. REPEAT and REPEAT ALL
commands are available to facilitate generation of repetitive
patterns.
The member/element incidences must be defined such that the
model developed represents one single structure only, not two or
more separate structures. STAAD is capable of detecting multiple
structures automatically.
General format:
MEMBER INCIDENCES
i
1
, i
2
, i
3
, ( i
4
, i
5
, i
6
)
REPEAT n, m
i
, j
i
REPEAT ALL n, m
i
, j
i
Description
The REPEAT command causes the previous line of input to be
repeated ‘n’ number of times with specified member and joint
increments. The REPEAT ALL command functions similar to the
REPEAT command except that it repeats all previously specified
input back to the most recent REPEAT ALL command or to the
beginning of the specification if no previous REPEAT ALL
command has been issued. (When using REPEAT and REPEAT
ALL commands, member numbering must be consecutive).
See Section
1.5.2
i
1
= Member number for which incidences are provided. Any
integer number (maximum six digits) is permitted.
i
2
= Start joint number.
i
3
= End joint number.