Please help, I am Appling 150c temperature load in steel structure that cases the members failed. There is high forces generated along y axis that fails the members. attached is the model.
please be aware you posted your question to wrong place! This is the area where files related to AskInga wiki is stored, not the place where users' issues are discussed.
You did not provide any information like what product and version do you use, but probably something like ProSteel forum is the place where to ask. Before you will ask, please read the best practices.