Design Example 4. Compute the initial maximum amplitude of the beam, Aot.
Design Example 4. Compute the initial maximum amplitude of the beam, Aot.
0
-1
a = 0.1 p f = 0.1 (3.14) (5.30) = 1.67
t = (1/pf ) . tan (a) = [1./(5.3xp)] . [tan (1.67)] = 0.062 > 0.05
-1
If t < 0.05 then
Aot = (246 L / EI ) . (0.10 - t )
Else
Aot = (246 L / EI ) . (1/2 p f) . 2 [1- a sin(a) - cos (a) + a ]
0
3
0
t
3
t
Aot = 0.015 in.