Question

k Choosing tne local ais for member 12 such that node 1 is i and node 2 is k, calculate the global stitness matrix for member 12 for displacements at node 2 2.0 m2.0m Flexural stiftness EI El 25 x 104 kNm2 2EI Acial stittness tor all members EA 106 KN P 175 KN S3.0 mo5 0.5 spring stiffiness 50 x 104 KNm E! 73.54 -94.85-3.6 -94.85 128.86 -4.810 3.6-4.8 20 -94.85-3.6 -94.85 128.86 4.810 -3.6-4.8 0 20 -94.85 3.6 -94.85 73.54 4.8x10 3.6 -4.8 128.86 128.86 -94.85 -3.6 -94.85 73.544.8 105 3.6 -4.8 20 -94.85-3.6 -94.85 4.10 -3.6 -4.8 0 128.86 -94.85 0 0 73.54 -4.8x10 -3.6-4.8 20

Member 12 is such from node 1 to node 2

Answer 1

Astoea om node t node 2, XIO 3.6 #1