I have a problem with a simulation I'm trying to do. The model isn't stable and I don't know why. The structure is 11.5m x 1.23m and the force applied is in N/m. No rotation is blocked. Y translations are blocked on each of the four extremities of the structure, X translations are blocked on the extremities of one side of the structure and Z translations are blocked for one extremity.
I have done a similar simulation with a different structure, and Solidwork was able to compute it no problem. Any clue?