Construct the reduced stiffness matrix of the shown truss, Fig. 3.Then determine the nodal displacements and the nodal forces in element 3. L(1) L(2)-2 m, L(3) 2/ 2, A(1) - A(2)- A(3) 80 mm2, and E- 200 GPa. (1) 2 2 kN '3 kN (2) 45 (3) Fig. 3

Construct the reduced stiffness matrix of the shown truss, Fig. 3.Then determine the nodal displacements and the nodal forces in element 3. L(1) L(2)-2 m, L(3) 2/ 2, A(1) - A(2)- A(3) 80 mm2, and E- 200 GPa. (1) 2 2 kN '3 kN (2) 45 (3) Fig. 3

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Please Answer the attached question

Construct the reduced stiffness matrix of the shown truss, Fig. 3.Then determine the nodal
displacements and the nodal forces in clement 3. L(1) L(2) 2 m, L(3) 2/2, A(1)- A(2) =
A(3) = 80 mm2, and E= 200 GPa.
|1 (1)
2
2 kN
'3 kN
(2)
45°
(3)
3
Fig. 3

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