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MEG 443/643
Problem 3-20, Text
1 3
10 kip
2
2 1
1
2
L1 100
cos 4
L2 L1
E . 1 10⁶ A1 5 A2 5
1 . 45 180 2 . 315 180
T1
cos( ) 1
sin( ) 1
0
0
sin( ) 1
cos( ) 1
0
0
0
0
cos( ) 1
sin( ) 1
0
0
sin( ) 1
cos( ) 1
= T1
0.707
0.707
0
0
0.707
0.707
0
0
0
0
0.707
0.707
0
0
0.707
0.707
T2
cos( ) 2
sin( ) 2
0
0
sin( ) 2
cos( ) 2
0
0
0
0
cos( ) 2
sin( ) 2
0
0
sin( ) 2
cos( ) 2
= T2
0.707
0.707
0
0
0.707
0.707
0
0
0
0
0.707
0.707
0
0
0.707
0.707
element 1 between nodes 1 and 2 k1 . .
1
0
1
0
0
0
0
0
1
0
1
0
0
0
0
0
E^A1
L1
k2 . .
1
0
1
0
0
0
0
0
1
0
1
0
0
0
0
0
E^A2
L2 element 2 between nodes 2 and 3
K1 . . T T1 k1 T1 K2 . . T T2 k2 T2

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