5 in2 in. 3 in? 1 in? 500 lb. 1500 Ib. 20 in. 20 in. 20 in. E 3D29 х 106 рsi Member 1 3 a) Develop the system stiffness matrix for the three element bar shown. b) Use the applied loads and boundary condition to develop the restrained system stiffness matrix with the applied loads c) Find the deflections at each node d) Solve for the internal forces in each rod element e) Compute the strain energy in the structure. f) Verify the results that you found for c) by using classical approach, õ=(P.L)/(A.E)
5 in2 in. 3 in? 1 in? 500 lb. 1500 Ib. 20 in. 20 in. 20 in. E 3D29 х 106 рsi Member 1 3 a) Develop the system stiffness matrix for the three element bar shown. b) Use the applied loads and boundary condition to develop the restrained system stiffness matrix with the applied loads c) Find the deflections at each node d) Solve for the internal forces in each rod element e) Compute the strain energy in the structure. f) Verify the results that you found for c) by using classical approach, õ=(P.L)/(A.E)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:5 in? in.
3 in?
1 in?
500
lb.
1500 Ib.
20 in.
20 in.
20 in.
E = 29 x 106 psi
Member
1
2
3
a) Develop the system stiffness matrix for the three element bar shown.
b) Use the applied loads and boundary condition to develop the restrained system
stiffness matrix with the applied loads
c) Find the deflections at each node
d) Solve for the internal forces in each rod element
e) Compute the strain energy in the structure.
f) Verify the results that you found for c) by using classical approach, õ=(P.L)/(A.E)
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