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Section 5
5-291
5.32.9 Selfweight Load Specification
Purpose
This command may be used to calculate and apply the
SELFWEIGHT of the structure for analysis.
General format:
⎧X ⎫
SEL
FWEIGHT ⎨Y ⎬ f
1
⎩
Z
⎭
This command is used if the self-weight of the structure is to be
considered. The self-weight of every active member is calculated
and applied as a uniformly distributed member load.
X, Y, & Z represent the global direction in which the selfweight
acts.
f
1
= The factor to be used to multiply the selfweight.
This command may also be used without any direction and factor
specification. Thus, if specified as "SELFWEIGHT", loads will be
applied in the negative global Y direction with a factor of unity.
Notes
Density must be provided for calculation of the self weight.
The selfweight of finite elements is converted to joint loads at the
connected nodes and is not used as an element pressure load.
The selfweight of a plate is placed at the joints, regardless of plate
releases.