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Section 5
5-151
1
2
3
4
X
Y
3m
4m
3m
Reference point (1, -1, 0)
Figure 5.18
Inclined Support Axis System
The INCLINED SUPPORT specification is based on the "Inclined
Support axis system". The local x-axis of this system is defined by
assuming the inclined support joint as the origin and joining it
with a "reference point" with co-ordinates of f
1
, f
2
and f
3
(see
figure) measured from the inclined support joint in the global
coordinate system.
The Y and Z axes of the inclined support axis system have the
same orientation as the local Y and Z axes of an imaginary member
whose BETA ANGLE is zero and whose incidences are defined
from the inclined support joint to the reference point. Users may
refer to section 1.5.3 of this manual for more information on these
concepts.
Example
SUPPORT
4 INCLINED 1.0 -1.0 0.0 FIXED BUT FY MX MY MZ