208 6 Deflections of Elastic Structures
P =1ul=l/4 υl= 3 l/4kState 1d (^) kj 1
j
State 2
rjk
Fig. P6.32
Ans.ıkjDrjkI rjkDu^2 .1C2/D5=32; ıkjD5=32:
6.33.A fixed–fixed beam is subjected to unit angular displacement of the right sup-
port (pointj). Calculate the vertical displacement of pointklocated atl=4from the
left support. The length of the beam island flexural stiffness isEI.(Hint:usethe
displacement and reactions reciprocal theorem).
P =1
ul=l/4 υl= 3 l/4
d (^) kj
State 2 rjk
k
State 1
1
j
Fig. P6.33
Ans.
3
64
l.