Civil Engineering Reference
In-Depth Information
g
=0
°
y'
y'
g
=0
°
z'
x'
x'
x'
z'
z'
y'
y
g
=90
°
x
z
Figure 4.26
Element local coordinate systems
There are 12 equations and the skyline storage is 78
Node Displacements and Rotation(s)
1 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
2 -0.3039E-05 -0.5997E-02 0.8769E-03 0.1129E-02 -0.2360E-03 -0.1514E-02
3 0.9571E-03 -0.4536E-04 0.9113E-03 0.7470E-03 -0.1582E-03 -0.3727E-03
4 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
Element Actions
1 0.2431E+01 0.6371E+02 -0.2754E+02 -0.6777E+02 0.1160E+03 0.2501E+03
-0.2431E+01 -0.6371E+02 0.2754E+02 0.6777E+02 0.2165E+02 0.6846E+02
2 -0.2431E+01 0.3629E+02 0.2754E+02 -0.1137E+03 0.9490E+01 0.6846E+02
0.2431E+01 -0.3629E+02 -0.2754E+02 -0.6777E+02 -0.2165E+02 -0.6846E+02
3 -0.2431E+01 0.3629E+02 0.2754E+02 0.2403E+02 0.9490E+01 0.8062E+02
0.2431E+01 -0.3629E+02 -0.2754E+02 0.1137E+03 -0.9490E+01 -0.6846E+02
Figure 4.27
Results from second Program 4.4 example
z
In the example of Figure 4.22, elements 1 and 2 both have their local
axes parallel
to the global
xz
plane, thus there has been no rotation of these non-vertical elements and
γ
is set to 90
◦
, which is the angle between
is set to zero. For vertical element 3 however,
γ
z
the global
axis.
The results of the analysis given in Figure 4.27 indicate that the vertical deflection under
the load is
z
and local
axes measured towards the global
x
−
0.005997. As a check on equilibrium under the applied loading of
−
100.0,
F
y
1
component of the
action
vector at the built-in end (node 1) of each of elements
1 and 3 is 63.71 and 39.29 respectively.
the
