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(Solved): The space truss system is given in Figure 1. Determine the followings, a) Element stiffness matrice ...



The space truss system is given in Figure 1. Determine the followings,

a) Element stiffness matrices b) Global stiffness matrix c) Nodal displacements d) Element forces and stresses e) Reaction forces

Figure 1. Space Truss???????

Use: ???? = 200 ???????????? and ???? = 80 ????????2 for all elements

 

 

Figure 1. Space Truss


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Answer. The DOF's are highlighted below. Element connectivity matrix Member lengthl m n BA 21.21 -0.70710 -0.7071 CA 19.209 -0.78090 0.6247 DC 21.21 -
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