There were no signs of buckling as well as joint failure which I also found a little weird. I will leave some pictures of the deformed configuration and von mises stress values.
Hello everyone!
I am analysing an 18 m per 1.2 m truss, simply supported, with 140x5 chords and 90x8 braces. I then loaded the superior nodes with 500 KN. The top nodes were also laterally constrained to prevent out-of-plane displacements.
After imputing the structure in Abaqus (FEA software), I...