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Section 5
5-253
GX,GY,GZ Global direction specification for pressure
denotes global X, Y, or Z direction respectively.
Local Y
Local X
X1 Y1
X2 Y2
Uniformly Loaded Area
Figure 5.23
p
1
Element pressure (force/square of length) or
concentrated load (force). p
1
is assumed as a
concentrated load if x
2
and y
2
are omitted.
See Section
1.6
x
1
,y
1
& x
2
,y
2
Co-ordinate values in the local co-ordinate system
Uniformly Varying
Press. (Trap Y)
Uniformly Varying
Press.
(
Tra
p
X
)
Local X
Local Y
Figure 5.24
(center node is considered as the
origin) defining the rectangular
area on which the pressure is
applied.
The TRAP option should be
used when a linearly varying
pressure needs to be specified.
The variation must be provided
over the entire element.