Page 334 - Thomson, William Tyrrell-Theory of Vibration with Applications-Taylor _ Francis (2010)
P. 334
Sec. 10.5 Vibrations Involving Beam Elements 321
£
Figure 10.5-3.
Element 1-2, a = 0°, c = 1, v = 0:
R 0 0 1 - R 0 O '
0 12 6/ 1 0 - 12 61 ^1
0 6/ 4/2 1 0 - 6 / 2/2
= -T 1
- R 0 0 1 R 0 0 z72
0 - 1 2 - 6 / 1 0 12 -6 1 To
0 6/ 2/2 1 0 - 6 1 4/2 ^2
0 1 {N 0 o"
0 156 22/ 1 0 54 - 1 3 /
ml 0 111 4/2 1 0 13/ -3 /2
42ÏÏ 1
0 0 1 N 0 0
0 54 13/ 1 0 156 -111
0 - 13/ -3 /2 1 0 -111 4/2
Element 2-3, a = 270°, c = 0, =
12 0 6/ ;
0 R 0 1
61 0 4/2 1
K 1
^2-3 =
p - 12 0 -6 1 \
0 - R 0 1
61 0 2/2 !
1
156 0 111 '
0 N 0 1
4/2 1
_ ml 111 0 --------1-------------------------
-
" 42Ô 0 1
1
1
1