• 2nd Order Analysis on 2D Braced Frames

    Hello, I have included links to two models below. In one model, I can run 2nd order analysis just fine, but the other seems to have issues. the only difference of any substance is that the loading is much heavier in one model, but the sections are…
  • RAM Elements 2D analysis Instability in Rx because of release conditions

    Hi, When I use RAM Elements for a 2D analysis such as a beam or column, it says I have a local instability for Node 1 at DOF RX. If I fix the node for RX, the warning goes away. I have a couple questions regarding the boundary conditions. 1. Is…