All members of the truss shown in the figure initially have a circular cross section with a diameter of 2". Using a commercial finite element analysis program, calculate the minimum diameter of each member using fully stressed design. Assume that Young's modulus is \(10^{4}\) psi.

Transcribed Image Text:

9' (5 (6) 400 lb 12' (2) 12' (3) 12' 4 1,200 lb