Solve Problem 2.3 with P =0 (no force applied at node 3) and with node
5 given a fixed, known displacement of δ
as shown in Figure P2-4.
Problem 2-3
- For the spring assemblage shown in Figure P2-4, obtain the global
stiffness matrix by direct superposition.
- If nodes 1 and 5 are fixed and a force P is applied at node 3,
determine the nodal displacements.
- Determine the reactions at the fixed nodes 1 and 5.

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